Signal transmitting and receiving circuit and electronic equipment

Abstract

The invention provides a signal transmitting and receiving circuit and electronic equipment. The signal transmitting and receiving circuit is low in cost. The signal transceiving circuit comprises a first signal amplification module used for amplifying a first communication signal to obtain a first amplified communication signal under the condition of sending the first communication signal; the filtering module is used for filtering the first amplified communication signal to obtain a filtered first amplified communication signal; the coupling module is used for coupling the filtered first amplified communication signal to obtain a first target communication signal, and sending the first target communication signal through an antenna; or under the condition that the second communication signal is received, the coupling module is used for transmitting the second communication signal from the antenna; the filtering module is used for receiving the second communication signal through the coupling module and filtering the second communication signal to obtain a filtered second communication signal; and the second signal amplification module is used for amplifying the filtered second communication signal to obtain a second target communication signal.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to a signal transceiver circuit and an electronic device. Background Art

[0002] Currently, electronic devices can achieve data transmission through wireless local area network (WLAN) and cellular technology. Since the wireless transceiver system and the cellular transceiver system are independent in design and use, the coupling degree between the wireless communication signal transceiver circuit and the cellular communication signal circuit is low, resulting in the problem of high device cost in the signal transceiver circuit.

[0003] Therefore, there is an urgent need for a low-cost signal receiving and transmitting circuit. Summary of the invention

[0004] The present application provides a signal transceiver circuit and an electronic device. By allowing a wireless communication signal transceiver circuit and a cellular communication signal transceiver circuit in the signal transceiver circuit to share the same set of components, the design of the signal transceiver circuit is simplified, the component cost in the signal transceiver circuit is reduced, and the layout area of ​​the signal transceiver circuit is optimized.

[0005] In a first aspect, a signal transceiver circuit is provided, comprising: a first signal amplifying module, a second signal amplifying module, a filtering module, a coupling module and an antenna, wherein one end of the filtering module is connected to the first signal amplifying module and the second signal amplifying module, the other end of the filtering module is connected to one end of the coupling module, and the other end of the coupling module is connected to the antenna, wherein: in the case of sending a first communication signal, the first signal amplifying module is used to amplify the first communication signal to obtain a first amplified communication signal, the first communication signal including a first cellular communication signal on a first frequency band or a first wireless communication signal on a second frequency band; the filtering module is used to filter the first amplified communication signal to obtain A first amplified communication signal after filtering; a coupling module, used to couple the first amplified communication signal after filtering to obtain a first target communication signal, and send the first target communication signal through an antenna; or, in the case of receiving a second communication signal, the coupling module, used to transmit a second communication signal from the antenna, the second communication signal including a second cellular communication signal on the first frequency band or a second wireless communication signal on the second frequency band; a filtering module, used to receive the second communication signal through the coupling module, and filter the second communication signal to obtain a filtered second communication signal; a second signal amplifying module, used to amplify the filtered second communication signal to obtain a second target communication signal.

[0006] In the present application, a first signal amplifying module, a second signal amplifying module, a filtering module, a coupling module and an antenna are included, one end of the filtering module is connected to the first signal amplifying module and the second signal amplifying module, the other end of the filtering module is connected to one end of the coupling module, and the other end of the coupling module is connected to the antenna, wherein: in the case of sending a first communication signal, the first signal amplifying module is used to amplify the first communication signal to obtain a first amplified communication signal, and the first communication signal includes a first cellular communication signal on a first frequency band or a first wireless communication signal on a second frequency band; the filtering module is used to filter the first amplified communication signal to obtain a filtered first amplified communication signal. A coupling module is used to couple the first amplified communication signal after filtering to obtain a first target communication signal, and send the first target communication signal through an antenna; or, in the case of receiving a second communication signal, the coupling module is used to transmit a second communication signal from the antenna, the second communication signal including a second cellular communication signal on the first frequency band or a second wireless communication signal on the second frequency band; a filtering module is used to receive the second communication signal through the coupling module, and filter the second communication signal to obtain a filtered second communication signal; a second signal amplifying module is used to amplify the filtered second communication signal to obtain a second target communication signal. In other words, by making the wireless communication signal transceiver circuit and the cellular communication signal transceiver circuit in the signal transceiver circuit share the same set of components, the design of the signal transceiver circuit is simplified, the component cost in the signal transceiver circuit is reduced, and the layout area of ​​the signal transceiver circuit is optimized.

[0007] In a second aspect, an electronic device is provided, including the signal transceiver circuit in the first aspect.

[0008] In a third aspect, a processor is provided, comprising: an input circuit, an output circuit and a processing circuit. The processing circuit is used to receive a signal through the input circuit and transmit a signal through the output circuit, so that the processor executes the method in any possible implementation of the first aspect.

[0009] In the specific implementation process, the processor can be a chip, the input circuit can be an input pin, the output circuit can be an output pin, and the processing circuit can be a transistor, a gate circuit, a trigger, and various logic circuits. The input signal received by the input circuit can be, for example, but not limited to, received and input by a receiver, and the signal output by the output circuit can be, for example, but not limited to, output to a transmitter and transmitted by the transmitter, and the input circuit and the output circuit can be the same circuit, which is used as an input circuit and an output circuit at different times. The embodiments of the present application do not limit the specific implementation methods of the processor and various circuits.

[0010] In a fourth aspect, a processing device is provided, comprising a processor and a memory. The processor is used to read instructions stored in the memory, and can receive signals through a receiver and transmit signals through a transmitter to execute the method in any possible implementation of the first aspect.

[0011] Optionally, there are one or more processors and one or more memories.

[0012] Optionally, the memory may be integrated with the processor, or the memory may be provided separately from the processor.

[0013] In the specific implementation process, the memory can be a non-transitory memory, such as a read-only memory (ROM), which can be integrated with the processor on the same chip or can be set on different chips respectively. The embodiments of the present application do not limit the type of memory and the setting method of the memory and the processor.

[0014] The processing device in the fourth aspect mentioned above can be a chip. The processor can be implemented by hardware or by software. When implemented by hardware, the processor can be a logic circuit, an integrated circuit, etc.; when implemented by software, the processor can be a general-purpose processor, which is implemented by reading the software code stored in the memory. The memory can be integrated in the processor or can be located outside the processor and exist independently.

[0015] In a fifth aspect, a computer program product is provided, comprising: a computer program (also referred to as code, or instruction), which, when executed, enables a computer to execute a method in any possible implementation of the first aspect.

[0016] In a sixth aspect, a computer-readable storage medium is provided, which stores a computer program (also referred to as code, or instructions) which, when executed on a computer, enables the computer to execute a method in any possible implementation of the first aspect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of a signal transceiver system provided in an embodiment of the present application;

[0018] Figure 2 is a schematic diagram of a cellular communication signal transceiver circuit provided in an embodiment of the present application;

[0019] Figure 3 It is a schematic diagram of a wireless communication signal transceiver circuit provided in an embodiment of the present application;

[0020] Figure 4 is a schematic diagram of a system architecture of an electronic device provided in an embodiment of the present application;

[0021] Figure 5 is a schematic diagram of a signal transceiver circuit provided in an embodiment of the present application;

[0022] Figure 6 is a schematic diagram of a first specific example of a signal transceiver circuit provided in an embodiment of the present application;

[0023] Figure 7 is a schematic diagram of a second specific example of a signal transceiver circuit provided in an embodiment of the present application;

[0024] Figure 8 is a schematic diagram of a third specific example of a signal transceiver circuit provided in an embodiment of the present application;

[0025] Fig. 9 is a schematic diagram of a fourth specific example of a signal transceiver circuit provided in an embodiment of the present application;

[0026] Fig.10 is a schematic diagram of a fifth specific example of a signal transceiver circuit provided in an embodiment of the present application;

[0027] Fig.11 is a schematic diagram of a sixth specific example of a signal transceiver circuit provided in an embodiment of the present application;

[0028] Fig.12 is a schematic diagram of a seventh specific example of a signal transceiver circuit provided in an embodiment of the present application;

[0029] Fig.13 is a schematic diagram of an eighth specific example of a signal transceiver circuit provided in an embodiment of the present application;

[0030] Fig.14 It is a schematic diagram of the ninth specific example of the signal transceiver circuit provided in an embodiment of the present application. DETAILED DESCRIPTION

[0031] The technical solution in this application will be described below in conjunction with the accompanying drawings.

[0032] In order to clearly describe the technical solutions of the embodiments of the present application, in the embodiments of the present application, words such as "first" and "second" are used to distinguish the same or similar items with substantially the same functions and effects. Those skilled in the art can understand that words such as "first" and "second" do not limit the quantity and execution order, and words such as "first" and "second" do not necessarily limit the difference.

[0033] It should be noted that, in this application, words such as "exemplarily" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described as "exemplarily" or "for example" in this application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplarily" or "for example" is intended to present related concepts in a specific way.

[0034] In addition, "at least one" means one or more, and "plurality" means two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone, where A and B can be singular or plural. The character " / " generally indicates that the previous and next associated objects are in an "or" relationship. "At least one of the following" or similar expressions refers to any combination of these items, including any combination of single or plural items. For example, at least one of a, b and c can mean: a, or b, or c, or a and b, or a and c, or b and c, or a, b and c, where a, b, c can be single or multiple.

[0035] In order to make the purpose and technical solution of the present application clearer and more intuitive, the signal transceiver circuit and electronic device provided by the embodiment of the present application will be described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application and are not used to limit the present application.

[0036] Currently, electronic devices can use wireless local area networks (WLAN) and cellular technologies to achieve services such as data transmission. Among them, WLAN is a technology that allows electronic devices to wirelessly connect to a local network and access the Internet or share data with other devices within the network range. It relies on an access point (AP) or router to act as a bridge between wireless devices and wired networks. The access point receives and transmits data wirelessly, allowing electronic devices to connect to the network and access the Internet. A cellular network, also known as a mobile network, is an infrastructure that enables electronic devices to wirelessly communicate over a wide geographic area. It uses a system of interconnected base stations or cellular towers to send and receive signals to and from electronic devices.

[0037] Figure 1 Schematic diagram of a signal transceiver system 10 of an electronic device provided in this application. Figure 1As shown, the signal transceiver system 10 includes a wireless transceiver system (WLAN transceiver system) and a cellular transceiver system. The cellular transceiver system includes a cellular transceiver module 11 and a radio frequency front-end module 12. The cellular transceiver module 11 can send a first control signal to the radio frequency front-end module 12 to control the radio frequency front-end module 12 to communicate with the cellular transceiver module 11 to receive and transmit cellular communication signals. The wireless transceiver system includes a wireless transceiver module 13 and a wireless front-end module 14. The wireless transceiver module 13 can send a second control signal to the wireless front-end module 14 to control the wireless front-end module 14 to communicate with the wireless transceiver module 13 to receive and transmit wireless communication signals.

[0038] Figure 2 This is a schematic diagram of a cellular communication signal transceiver circuit provided in this application. Figure 2 As shown, the RF front-end module may include a first power amplifier (Power Amplifier, PA) 21, a first low noise amplifier (Low Noise Amplifier, LAN) 22, a first single pole double throw switch (Single Pole Double Throw, SPDT) switch 23, a first surface acoustic wave (Surface Acoustic Wave, SAW) 24, a first coupler 25 and a micro-positioning, navigation and timing (Micro-Positioning, Navigation, and Timing, mPnT) switch 26.

[0039] In the case of receiving the first cellular communication signal from the cellular transceiver module 11, the first cellular communication signal can be amplified by the first PA 21 to obtain a first amplified cellular communication signal, and the first amplified cellular communication signal can be transmitted to the first SAW 24 through the first SPDT switch 23, and the filtered first amplified cellular communication signal can be obtained after filtering by the first SAW 24, and the first target cellular communication signal can be obtained after coupling by the first coupler 25, and then the first target cellular communication signal can be transmitted to the antenna through the mPnT switch 26 for transmission. Alternatively, in the case of receiving the second cellular communication signal by the antenna, the second cellular communication signal can be amplified by the first LNA 22 after passing through a common path, i.e., the mPnT switch 26, the first coupler 25, the first SAW 24, and the first SPDT switch 23, and then the second target cellular communication signal can be transmitted to the cellular transceiver module 11.

[0040] Figure 3 This is a schematic diagram of a wireless communication signal transceiver circuit provided by the present application. Figure 3As shown, the wireless front-end module may include a second PA 31 , a second LAN 32 , a second SPDT switch 33 , a second SAW 34 and a second coupler 35 .

[0041] Among them, in the case where the above-mentioned wireless transceiver module 13 receives the first wireless antenna signal, the first wireless communication signal can be amplified by the second PA31 to obtain a first amplified wireless communication signal, and the first amplified wireless communication signal can be transmitted to the second SAW 24 through the second SPDT switch 33, and the filtered first amplified wireless communication signal is obtained after filtering by the second SAW 24, and the first target wireless communication signal is obtained after coupling by the second coupler 35, and is transmitted through the antenna. Alternatively, in the case where the antenna receives the second wireless communication signal, the second wireless communication signal can be amplified by the first LNA 22 after passing through a common path, that is, the second coupler 35, the second SAW 34, and the second SPDT switch 33, to obtain a second target wireless communication signal, and the second target wireless communication signal is transmitted to the wireless transceiver module 13.

[0042] It should be noted that when cellular communication signals and wireless communication signals work at the same time, there may be interference between them. For example, the frequencies of the n79 band and the WIFI 5G band are very close to each other. When the two work at the same time, they interfere with each other greatly, so time-sharing is usually adopted. Alternatively, the frequencies of the N40 band or the N41 band and the WIFI 2.4G band are very close to each other. When they work at the same time, they interfere with each other greatly, so time-sharing is also usually adopted.

[0043] It can be seen that the current wireless transceiver system and the cellular transceiver system are independent of each other in hardware design and use, and the coupling degree between the two systems is low.

[0044] Therefore, there is an urgent need for a low-cost signal transceiver circuit.

[0045] The embodiment of the present application provides a signal transceiver circuit and an electronic device, including a first signal amplifying module, a second signal amplifying module, a filtering module, a coupling module and an antenna, wherein one end of the filtering module is connected to the first signal amplifying module and the second signal amplifying module, the other end of the filtering module is connected to one end of the coupling module, and the other end of the coupling module is connected to the antenna, wherein: in the case of sending a first communication signal, the first signal amplifying module is used to amplify the first communication signal to obtain a first amplified communication signal, the first communication signal including a first cellular communication signal on a first frequency band or a first wireless communication signal on a second frequency band; the filtering module is used to filter the first amplified communication signal, A first amplified communication signal after filtering is obtained; a coupling module is used to couple the first amplified communication signal after filtering to obtain a first target communication signal, and send the first target communication signal through an antenna; or, in the case of receiving a second communication signal, the coupling module is used to transmit a second communication signal from the antenna, the second communication signal including a second cellular communication signal on the first frequency band or a second wireless communication signal on the second frequency band; a filtering module is used to receive the second communication signal through the coupling module, and filter the second communication signal to obtain a filtered second communication signal; a second signal amplifying module is used to amplify the filtered second communication signal to obtain a second target communication signal. In other words, by making the wireless communication signal transceiver circuit and the cellular communication signal transceiver circuit in the signal transceiver circuit share the same set of components, the design of the signal transceiver circuit is simplified, the component cost in the signal transceiver circuit is reduced, and the layout area of ​​the signal transceiver circuit is optimized.

[0046] It should be understood that the electronic devices involved in the embodiments of the present application may be mobile phones, watches, laptop computers, PDAs, mobile internet devices (MID), personal computers (PC), wearable devices, virtual reality (VR) devices, augmented reality (AR) devices, wireless terminals in self-driving, wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, personal digital assistants (PDA), etc., and the embodiments of the present application are not limited to this.

[0047] For example, Figure 4 A schematic diagram of a system architecture of an electronic device provided in an embodiment of the present application.

[0048] like Figure 4 As shown, the electronic device includes a processor 41 and a transceiver 42. Optionally, the electronic device may further include a memory 43. The processor 41, the transceiver 42 and the memory 43 may communicate with each other through an internal connection path to transfer data. The memory 43 is used to store a computer program, and the processor 41 is used to call and run the computer program from the memory 43. The processor 41 and the memory 43 may be combined into a processing device, or more commonly, they are independent components. The processor 41 is used to execute the program code stored in the memory 43 to implement the above functions. In specific implementation, the memory 43 may also be integrated into the processor 41, or may be independent of the processor 41.

[0049] In addition, in order to make the functions of the electronic device more complete, the electronic device may further include an input unit 46 .

[0050] Optionally, the electronic device may further include a power supply 45 for providing power to various devices or circuits in the electronic device.

[0051] Understandably, Figure 4 The operations and / or functions of each module in the electronic device shown are respectively for implementing the corresponding processes in the following method embodiments. For details, please refer to the description in the following method embodiments, and the detailed description is appropriately omitted here to avoid repetition.

[0052] Understandably, Figure 4 The processor 41 in the electronic device shown may include one or more processing units, for example, the processor 41 may include an application processor (AP), a modem processor, a graphics processor (GPU), an image signal processor (ISP), a controller, a video codec, a digital signal processor (DSP), a baseband processor, and / or a neural-network processing unit (NPU), etc. Among them, different processing units may be independent devices or integrated in one or more processors.

[0053] The processor 41 may also be provided with a memory for storing instructions and data. In some embodiments, the memory in the processor 41 is a cache memory. The memory may store instructions or data that the processor 41 has just used or cyclically used. If the processor 41 needs to use the instruction or data again, it may be directly called from the memory. This avoids repeated access, reduces the waiting time of the processor 41, and thus improves the efficiency of the system.

[0054] Understandably, Figure 4 The power supply 45 shown is used to power the processor 41, the memory 43, the input unit 46 and the transceiver 42. The transceiver 42 can provide wireless local area networks (WLAN) (such as wireless fidelity (Wi-Fi) networks), Bluetooth (blue tooth, BT), global navigation satellite system (GNSS), frequency modulation (FM), near field communication technology (NFC), infrared technology (IR) and other wireless communication solutions for electronic devices. The transceiver 42 can be one or more devices integrating at least one communication processing module. The memory 43 can be used to store computer executable program code, and the executable program code includes instructions. The memory 43 can include a program storage area and a data storage area. Among them, the program storage area can store an operating system, at least one application required for a function, etc. The data storage area can store data created during the use of the electronic device, etc. In addition, the memory 43 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one disk storage device, a flash memory device, a universal flash storage (UFS), etc. The processor 41 executes various functional applications and data processing of the electronic device by running instructions stored in the memory 43 and / or instructions stored in a memory provided in the processor.

[0055] Figure 5 Schematic diagram of a signal transceiver circuit 50 provided in an embodiment of the present application. The signal transceiver circuit 50 includes: a first signal amplification module 51, a second signal amplification module 52, a filtering module 53, a coupling module 54 and an antenna 55, one end of the filtering module 53 is connected to the first signal amplification module 51 and the second signal amplification module 52, the other end of the filtering module 53 is connected to one end of the coupling module 54, and the other end of the coupling module 54 is connected to the antenna 55, wherein:

[0056] In case of sending the first communication signal:

[0057] The first signal amplifying module 51 is used to amplify the first communication signal to obtain a first amplified communication signal, where the first communication signal includes a first cellular communication signal on a first frequency band or a first wireless communication signal on a second frequency band.

[0058] The filtering module 53 is used to filter the first amplified communication signal to obtain a filtered first amplified communication signal.

[0059] The coupling module 54 is used to couple the filtered first amplified communication signal to obtain a first target communication signal, and send the first target communication signal through the antenna 55.

[0060] or,

[0061] In case of receiving the second communication signal:

[0062] The coupling module 54 is used to transmit a second communication signal from the antenna 55, where the second communication signal includes a second cellular communication signal in the first frequency band or a second wireless communication signal in the second frequency band.

[0063] The filtering module 53 is used to receive the second communication signal through the coupling module, and filter the second communication signal to obtain a filtered second communication signal.

[0064] The second signal amplifying module 52 is used to amplify the filtered second communication signal to obtain a second target communication signal.

[0065] In the present application, the signal transceiver circuit includes a first signal amplification module, a second signal amplification module, a filtering module, a coupling module and an antenna, one end of the filtering module is connected to the first signal amplification module and the second signal amplification module, the other end of the filtering module is connected to one end of the coupling module, and the other end of the coupling module is connected to the antenna, wherein: in the case of sending a first communication signal, the first signal amplification module is used to amplify the first communication signal to obtain a first amplified communication signal, and the first communication signal includes a first cellular communication signal on a first frequency band or a first wireless communication signal on a second frequency band; the filtering module is used to filter the first amplified communication signal to obtain a filtered A first amplified communication signal; a coupling module, used to couple the first amplified communication signal after filtering to obtain a first target communication signal, and send the first target communication signal through an antenna; or, in the case of receiving a second communication signal, the coupling module is used to transmit a second communication signal from the antenna, the second communication signal including a second cellular communication signal on the first frequency band or a second wireless communication signal on the second frequency band; a filtering module, used to receive the second communication signal through the coupling module, and filter the second communication signal to obtain a filtered second communication signal; a second signal amplifying module, used to amplify the filtered second communication signal to obtain a second target communication signal. In other words, by making the wireless communication signal transceiver circuit and the cellular communication signal transceiver circuit in the signal transceiver circuit share the same set of components, the design of the signal transceiver circuit is simplified, the component cost in the signal transceiver circuit is reduced, and the layout area of ​​the signal transceiver circuit is optimized.

[0066] Optionally, in addition to receiving the second communication signal through the coupling module, the filtering module may also receive the second communication signal through a transmission path between the filtering module and the antenna.

[0067] Figure 6 Schematic diagram of a signal transceiver circuit 60 provided in an embodiment of the present application. The signal transceiver circuit 60 includes: a first signal amplification module 61, a second signal amplification module 62, a filtering module 63, a coupling module 64 and an antenna 65, one end of the filtering module 63 is connected to the first signal amplification module 61 and the second signal amplification module 62, the other end of the filtering module 63 is connected to one end of the coupling module 64, and the other end of the coupling module 64 is connected to the antenna 65, wherein:

[0068] When sending the first communication signal, the first signal amplifying module 61 may be used to amplify the first communication signal to obtain a first amplified communication signal, wherein the first communication signal includes a first cellular communication signal on a first frequency band or a first wireless communication signal on a second frequency band.

[0069] The filtering module 63 is used to filter the first amplified communication signal to obtain a filtered first amplified communication signal.

[0070] The coupling module 64 is used to couple the filtered first amplified communication signal to obtain a first target communication signal, and send the first target communication signal through the antenna 65.

[0071] like Figure 6 As shown, the other end of the filter module 63 in the signal transceiver circuit 60 can also be connected to the antenna 65.

[0072] When receiving a second communication signal, the filtering module 63 is used to receive the second communication signal through a transmission path between it and the antenna 65, and filter the second communication signal to obtain a filtered second communication signal, which includes a second cellular communication signal on the first frequency band or a second wireless communication signal on the second frequency band.

[0073] The second signal amplifying module 62 is used to amplify the filtered second communication signal to obtain a second target communication signal.

[0074] In some embodiments, the filter module may include a first bandpass filter (BPF) and / or a first surface acoustic wave filter (SAW). This application mainly describes the signal transceiver circuit provided in this application by taking the filter module including the first BPF and the first SAW as an example.

[0075] Figure 7 Schematic diagram of a signal transceiver circuit 70 provided in an embodiment of the present application. The signal transceiver circuit 70 includes: a first signal amplification module 71, a second signal amplification module 72, a filtering module 73, a coupling module 74 and an antenna 75, one end of the filtering module 73 is connected to the first signal amplification module 71 and the second signal amplification module 72, the other end of the filtering module 73 is connected to the antenna 75 and one end of the coupling module 74, and the other end of the coupling module 74 is connected to the antenna 75, wherein:

[0076] like Figure 7 As shown, the filter module 73 in the signal transceiver circuit 70 includes a first BPF 731 and a first SAW 732. One end of the first BPF 731 and the first SAW 732 are connected to the first signal amplification module 71 and the second signal amplification module 72;

[0077] In case of sending the first communication signal:

[0078] The first signal amplifying module 71 may be used to amplify the first communication signal to obtain a first amplified communication signal, where the first communication signal includes a first cellular communication signal on a first frequency band or a first wireless communication signal on a second frequency band.

[0079] The filtering module 73 is used to filter the first amplified communication signal to obtain a filtered first amplified communication signal.

[0080] Exemplarily, the filtering module 73 may filter the first amplified wireless communication signal through the first BPF 731 to obtain a filtered first amplified wireless communication signal.

[0081] Exemplarily, the filtering module 73 may filter the first amplified cellular communication signal through the first SAW to obtain a filtered first amplified cellular communication signal.

[0082] The coupling module 74 is used to couple the filtered first amplified communication signal to obtain a first target communication signal, and send the first target communication signal through the antenna 75.

[0083] In case of receiving the second communication signal:

[0084] The filtering module 73 is used to filter the second communication signal to obtain a filtered second communication signal, where the second communication signal includes a second cellular communication signal on the first frequency band or a second wireless communication signal on the second frequency band.

[0085] In a possible implementation, the filtering module 73 may be configured to receive the second communication signal through a transmission path between the filtering module 73 and the antenna 75 , and filter the second communication signal.

[0086] In another possible implementation, the filtering module 73 may also be configured to receive the second communication signal through the coupling module 74 and filter the second communication signal.

[0087] Exemplarily, the filtering module 73 may filter the second wireless communication signal through the first BPF 731 to obtain a filtered second wireless communication signal;

[0088] Exemplarily, the filtering module 73 may filter the second cellular communication signal through the first SAW 732 to obtain a filtered second cellular communication signal.

[0089] The second signal amplifying module 72 is used to amplify the filtered second communication signal to obtain a second target communication signal.

[0090] In some embodiments, the signal transceiver circuit may further include a switch to achieve connection between different signal amplification modules and different filters, as well as connection between the filter module, the coupling module and the antenna.

[0091] Figure 8Schematic diagram of a signal transceiver circuit 80 provided in an embodiment of the present application. The signal transceiver circuit 80 includes: a first signal amplification module 81, a second signal amplification module 82, a filtering module 83, a coupling module 84 and an antenna 85, one end of the filtering module 83 is connected to the first signal amplification module 81 and the second signal amplification module 82, the other end of the filtering module 83 is connected to the antenna 85 and one end of the coupling module 84, the other end of the coupling module 84 is connected to the antenna 85, the filtering module 83 includes a first BPF 831 and a first SAW 832, one end of the first BPF 831 and the first SAW 832 is connected to the first signal amplification module 81 and the second signal amplification module 82, wherein:

[0092] like Figure 8 As shown, the signal transceiver circuit 80 includes a first switch 86, one end of the first switch 86 is connected to the first signal amplification module 81 and the second signal amplification module 82, and the other end of the first switch 86 is connected to the first BPF 831 and the first SAW 832; Figure 8 As shown, the signal transceiver circuit 80 may further include a second switch 87, one end of the second switch 87 is connected to the coupling module 84 and the antenna 85, and the other end of the second switch 87 is connected to the first BPF 831 and the first SAW 832;

[0093] Exemplarily, the first switch 86 and the second switch 87 may be double-pole double-throw (DPDT) switches.

[0094] In case of sending a first communication signal;

[0095] The first switch 86 may be configured to receive the first amplified communication signal from the first signal amplifying module 81 and send the first amplified communication signal to the filtering module 83 .

[0096] The first communication signal includes a first wireless communication signal in the second frequency band, and the first switch 86 can send the first amplified wireless communication signal to the first BPF 831 .

[0097] The first BPF 831 may be configured to filter the first amplified wireless communication signal to obtain a filtered first amplified wireless communication signal.

[0098] The first communication signal includes a first cellular communication signal in a first frequency band, and the first switch 86 can send the first amplified cellular communication signal to the first SAW 832 .

[0099] The first SAW 832 may be used to filter the first amplified cellular communication signal to obtain a filtered first amplified cellular communication signal.

[0100] The second switch 87 may be used to receive the filtered first amplified communication signal and send the filtered first amplified communication signal to the coupling module 84 .

[0101] Exemplarily, the second switch 87 may send the first amplified wireless communication signal from the first BPF to the coupling module 84 .

[0102] Exemplarily, the second switch 87 may send the first amplified cellular communication signal from the first SAW to the coupling module 84 .

[0103] The coupling module 84 is used to couple the filtered first amplified cellular communication signal or the first amplified wireless communication signal to obtain a first target communication signal, and send the first target communication signal through the antenna 85.

[0104] In case of receiving the second communication signal:

[0105] The second switch 87 can be used to receive the second communication signal of the antenna 85 through the transmission path between the second switch 87 and the antenna 85 , and send the second wireless communication signal to the filter module 83 .

[0106] The second communication signal includes a second wireless communication signal in the second frequency band, and the second switch 87 can send the second wireless communication signal to the first BPF 831 .

[0107] The first BPF 831 is configured to filter the second wireless communication signal to obtain a filtered second wireless communication signal.

[0108] The second communication signal includes a second cellular communication signal in the first frequency band, and the second switch 87 can send the second cellular communication signal to the first SAW 832 .

[0109] The first SAW 832 is used to filter the second cellular communication signal to obtain a filtered second cellular communication signal.

[0110] The first switch 86 can be used to receive the filtered second communication signal and send the second communication signal to the second signal amplification module 82 .

[0111] Exemplarily, the first switch 86 may send the filtered second wireless communication signal from the first BPF 831 to the second signal amplification module 82 .

[0112] For example, the first switch 86 can send the filtered second cellular communication signal from the first SAW 832 to the second signal amplification module 82 .

[0113] The second signal amplifying module 82 is used to amplify the filtered second wireless communication signal or the second cellular communication signal to obtain a second target communication signal.

[0114] Optionally, when the filter module and the antenna are not connected through a transmission path, the signal transceiver circuit may further include a third switch to achieve connection between the filter module, the coupling module and the antenna through the third switch.

[0115] Fig. 9 It is a schematic diagram of a signal transceiver circuit 90 provided in an embodiment of the present application. The signal transceiver circuit 90 includes: a first signal amplification module 91, a second signal amplification module 92, a filtering module 93, a coupling module 94 and an antenna 95, one end of the filtering module 93 is connected to the first signal amplification module 91 and the second signal amplification module 92, the other end of the filtering module 93 is connected to the antenna 95 and one end of the coupling module 94, the other end of the coupling module 94 is connected to the antenna 95, the filtering module 93 includes a first BPF 931 and a first SAW 932, one end of the first BPF 931 and the first SAW 932 are connected to the first signal amplification module 91 and the second signal amplification module 92, wherein:

[0116] like Fig. 9 As shown, the signal transceiver circuit 90 includes a first switch 96 and a third switch 97, one end of the first switch 96 is connected to the first signal amplification module 91 and the second signal amplification module 92, and the other end of the first switch 96 is connected to the first BPF 931 and the first SAW 932; one end of the third switch 97 is connected to the coupling module 94, and the other end of the third switch 97 is connected to the first BPF 931 and the first SAW 932;

[0117] In case of sending the first communication signal:

[0118] The third switch 97 may be used to receive the filtered first amplified communication signal and send the filtered first amplified communication signal to the coupling module 94 .

[0119] The first communication signal includes a first wireless communication signal in the second frequency band. The third switch 97 can send the filtered first amplified wireless communication signal from the first BPF to the coupling module 94 .

[0120] The first communication signal includes a first cellular communication signal in a first frequency band. The third switch 97 can send the filtered first amplified cellular communication signal from the first SAW to the coupling module 94 .

[0121] In case of receiving the second communication signal:

[0122] The third switch 97 may be used to receive the second communication signal through the coupling module 94 and send the second communication signal to the filtering module 93 .

[0123] The second communication signal includes a second wireless communication signal in the second frequency band, and the third switch 97 can send the second wireless communication signal to the first BPF.

[0124] The first BPF 931 is configured to filter the second wireless communication signal to obtain a filtered second wireless communication signal.

[0125] The second communication signal includes a second cellular communication signal in the first frequency band, and the third switch 97 can send the second cellular communication signal to the first SAW.

[0126] The first SAW 932 is used to filter the second cellular communication signal to obtain a filtered second cellular communication signal.

[0127] The first switch 96 may be used to receive the filtered second communication signal and send the second communication signal to the second signal amplifying module 92 .

[0128] Exemplarily, the first switch 96 may send the filtered second wireless communication signal from the first BPF 931 to the second signal amplification module 92 .

[0129] For example, the first switch 96 can send the filtered second cellular communication signal from the first SAW 932 to the second signal amplification module 92 .

[0130] The second signal amplifying module 92 is used to amplify the filtered second wireless communication signal or the second cellular communication signal to obtain a second target communication signal.

[0131] In some embodiments, the filtering module may include multiple filtering modules, such as a first filtering module and a second filtering module, so as to implement filtering of different communication signals (such as a transmission signal and a reception signal) through different filtering modules.

[0132] Fig.10 1 is a schematic diagram of a signal transceiver circuit 100 provided in an embodiment of the present application. The signal transceiver circuit 100 includes: a first signal amplification module 101, a second signal amplification module 102, a filtering module 103, a coupling module 104 and an antenna 105, one end of the filtering module 103 is connected to the first signal amplification module 101 and the second signal amplification module 102, the other end of the filtering module 103 is connected to the antenna 105 and one end of the coupling module 104, and the other end of the coupling module 104 is connected to the antenna 105, wherein:

[0133] like Fig.10As shown, the filtering module 103 in the signal transceiver circuit 100 may include a first filtering module 1031 and a second filtering module 1032, one end of the first filtering module 1031 is connected to the first signal amplifying module 101, the other end of the first filtering module 1031 is connected to the coupling module 104, and one end of the second filtering module 1032 is connected to the second signal amplifying module 102;

[0134] In case of sending the first communication signal:

[0135] The first signal amplifying module 101 is used to amplify the first communication signal to obtain a first amplified communication signal, where the first communication signal includes a first cellular communication signal on a first frequency band or a first wireless communication signal on a second frequency band.

[0136] The first filtering module 1301 is used to receive the first amplified communication signal from the first signal amplifying module 101 and filter the first amplified communication signal to obtain a filtered first amplified communication signal.

[0137] Exemplarily, the first filtering module 1301 may receive the first amplified wireless communication signal from the first signal amplifying module 101 , and filter the first amplified wireless communication signal to obtain a filtered first amplified wireless communication signal.

[0138] Exemplarily, the first filtering module 1301 may receive the first amplified cellular communication signal from the first signal amplifying module 101, and filter the first amplified cellular communication signal to obtain a filtered first amplified cellular communication signal.

[0139] The coupling module 104 is used to couple the filtered first amplified wireless communication signal or the first amplified cellular communication signal to obtain a first target communication signal, and send the first target communication signal through the antenna 105 .

[0140] In case of receiving the second communication signal:

[0141] The second filtering module 1302 is used to filter the second communication signal to obtain a filtered second communication signal, and send the filtered second communication signal to the second signal amplifying module 102. The second communication signal includes a second cellular communication signal on the first frequency band or a second wireless communication signal on the second frequency band.

[0142] In a possible case, the second filtering module 1302 is also connected to the coupling module 104 , and the coupling module 104 is used to transmit the second communication signal from the antenna 105 to the second filtering module 1302 .

[0143] In another possible case, the second filtering module 1302 is connected to the antenna 105 via a transmission path, and the transmission path can be used to transmit the second communication signal from the antenna 105 to the second filtering module 1302 .

[0144] Exemplarily, the second filtering module 1302 may filter the second wireless communication signal to obtain a filtered second wireless communication signal, and send the filtered second wireless communication signal to the second signal amplifying module 102 .

[0145] Exemplarily, the second filtering module 1302 may filter the second cellular communication signal to obtain a filtered second cellular communication signal, and send the filtered second cellular communication signal to the second signal amplifying module 102 .

[0146] The second signal amplifying module 102 is used to amplify the filtered second wireless communication signal or the second cellular communication signal to obtain a second target communication signal.

[0147] In some embodiments, the first filter module and the second filter module may respectively include at least one filter, such as BPF and / or SAW. This application mainly describes the signal transceiver circuit provided by this application by taking the first filter module and the second filter module both including BPF and SAW as an example.

[0148] Fig.11 It is an illustration of a signal transceiver circuit 110 provided in an embodiment of the present application. The signal transceiver circuit 110 includes: a first signal amplification module 111, a second signal amplification module 112, a filtering module 113, a coupling module 114 and an antenna 115. The filtering module 113 may include a first filtering module 1131 and a second filtering module 1132. The first filtering module 1131 includes a second BPF 1133 and a second SAW 1134. One end of the second BPF 1133 and the second SAW 1134 are connected to the first signal amplification module 111, and the other end of the second BPF 1133 and the second SAW 1134 are connected to the coupling module 114; the second filtering module 1132 is connected to the antenna 115, and the second filtering module 1132 includes a third BPF 1135 and a third SAW 1136. One end of the third BPF 1135 and the third SAW 1136 is connected to the second signal amplification module 112; the coupling module 114 is connected to the antenna 115, wherein:

[0149] In case of sending the first communication signal:

[0150] The first signal amplifying module 111 is used to amplify the first communication signal to obtain a first amplified communication signal, where the first communication signal includes a first cellular communication signal on a first frequency band or a first wireless communication signal on a second frequency band.

[0151] The first communication signal includes a first wireless communication signal in the second frequency band. The second BPF 1133 is used to filter the first amplified wireless communication signal to obtain a filtered first amplified wireless communication signal.

[0152] The first communication signal includes a first cellular communication signal in a first frequency band. The second SAW 1134 is used to filter the first amplified cellular communication signal to obtain a filtered first amplified cellular communication signal.

[0153] The coupling module 114 is used to couple the filtered first amplified wireless communication signal or the first amplified cellular communication signal to obtain a first target communication signal, and send the first target communication signal through the antenna 115 .

[0154] In case of receiving the second communication signal:

[0155] The third BPF 1135 and the third SAW 1136 in the second filtering module 1132 can be respectively connected to the antenna 115 through a transmission path to transmit the second wireless communication signal from the antenna 115 to the third BPF 1135 or transmit the second cellular communication signal from the antenna 115 to the third SAW 1136 through the transmission path.

[0156] The third BPF 1135 is used to filter the second wireless communication signal to obtain a filtered second wireless communication signal.

[0157] The third SAW 1136 is used to filter the second cellular communication signal to obtain a filtered second cellular communication signal.

[0158] The second signal amplifying module 112 is used to amplify the filtered second wireless communication signal or the second cellular communication signal to obtain a second target communication signal.

[0159] In some embodiments, the signal transceiver circuit may also include multiple switches to connect the second BPF, the second SAW, the third BPF and the third SAW to other devices. Fig.12 .

[0160] Fig.12It is a schematic diagram of a signal transceiver circuit 120 provided in an embodiment of the present application. The signal transceiver circuit 120 includes: a first signal amplification module 121, a second signal amplification module 122, a filtering module 123, a coupling module 124 and an antenna 125. The filtering module 123 may include a first filtering module 1231 and a second filtering module 1232. The first filtering module 1231 includes a second BPF 1233 and a second SAW 1234. One end of the second BPF 1233 and the second SAW 1234 is connected to the first signal amplification module 121, and the other end of the second BPF 1233 and the second SAW 1234 is connected to the coupling module 124; the second filtering module 1232 is connected to the antenna 125, the second filtering module 1232 includes a third BPF 1235 and a third SAW 1236. One end of the third BPF 1235 and the third SAW 1236 is connected to the second signal amplification module 122; the coupling module 124 is connected to the antenna 125, wherein:

[0161] like Fig.12 As shown, the first filtering module 1231 in the signal transceiver circuit 120 may further include a fourth switch 126 and a fifth switch 127, one end of the fourth switch 126 is connected to the first signal amplification module 121, and the other end of the fourth switch 126 is connected to the second BPF 1233 and the second SAW 1234; one end of the fifth switch 127 is connected to the second BPF 1233 and the second SAW 1234, and the other end of the fifth switch is connected to the coupling module 124;

[0162] Exemplarily, the fourth switch 126 and the fifth switch 127 may be SPDT switches.

[0163] In case of sending the first communication signal:

[0164] The first signal amplifying module 121 is used to amplify the first communication signal to obtain a first amplified communication signal, where the first communication signal includes a first cellular communication signal on a first frequency band or a first wireless communication signal on a second frequency band.

[0165] The first communication signal includes a first wireless communication signal on a second frequency band, and the fourth switch 126 is used to receive the first amplified wireless communication signal and send the first amplified wireless communication signal to the second BPF 1233;

[0166] The second BPF 1233 is configured to filter the first amplified wireless communication signal to obtain a filtered first amplified wireless communication signal.

[0167] a fifth switch, configured to receive the filtered first amplified wireless communication signal from the second BPF 1133 and send the filtered first amplified wireless communication signal to the coupling module 124;

[0168] or,

[0169] The first communication signal includes a first cellular communication signal in a first frequency band. The fourth switch 126 is configured to receive the first amplified cellular communication signal and send the first amplified cellular communication signal to the second SAW 1234 .

[0170] The second SAW 1234 is configured to filter the first amplified cellular communication signal to obtain a filtered first amplified cellular communication signal.

[0171] The fifth switch is configured to receive the filtered first amplified cellular communication signal from the second SAW 1234 and send the filtered first amplified cellular communication signal to the coupling module 124 .

[0172] The coupling module 124 is used to couple the filtered first amplified wireless communication signal or the first amplified cellular communication signal to obtain a first target communication signal, and send the first target communication signal through the antenna 125.

[0173] like Fig.12 As shown, the second filtering module 1232 in the signal transceiver circuit 120 may further include a sixth switch 128, one end of the sixth switch 128 is connected to the second signal amplification module 122, and the other end of the sixth switch 128 is connected to the third BPF 1235 and the third SAW 1236;

[0174] Exemplarily, the sixth switch 128 may be a SPDT switch.

[0175] In case of receiving the second communication signal:

[0176] The third BPF 1235 in the second filtering module 1232 may be connected to the antenna 125 through a transmission path, respectively, so as to transmit the second wireless communication signal from the antenna 125 to the third BPF 1235 through the transmission path.

[0177] The third BPF 1135 is used to filter the second wireless communication signal to obtain a filtered second wireless communication signal.

[0178] a sixth switch 128, configured to receive the filtered second wireless communication signal from the third BPF 1235, and send the filtered second wireless communication signal to the second signal amplification module 122;

[0179] The third SAW 1236 in the second filtering module 1232 may be connected to the antenna 125 through a transmission path, so as to transmit the second cellular communication signal from the antenna 125 to the third SAW 1236 through the transmission path.

[0180] The third SAW 1136 is used to filter the second cellular communication signal to obtain a filtered second cellular communication signal.

[0181] The sixth switch 128 is configured to receive the filtered second cellular communication signal from the third SAW 1236 , and send the filtered second cellular communication signal to the second signal amplification module 122 .

[0182] The second signal amplifying module 122 is used to amplify the filtered second wireless communication signal or the second cellular communication signal to obtain a second target communication signal.

[0183] like Fig.12 As shown, when the above-mentioned filtering module 123 is connected to the antenna 125, the above-mentioned signal transceiver circuit may further include a seventh switch 129, one end of the seventh switch 129 may be connected to the filtering module 123 and the coupling module 124, and the other end of the seventh switch 129 may be connected to the antenna 125, so as to realize the connection between the above-mentioned filtering module 123 and the antenna 125 through the seventh switch 129.

[0184] When sending the above-mentioned first communication signal, the seventh switch 129 can be used to receive the above-mentioned first target communication signal and send the first communication signal through the antenna 125; or, when receiving the second communication signal, the seventh switch 129 can also be used to receive the second communication signal from the antenna and send the second communication signal to the above-mentioned filtering module 123.

[0185] Exemplarily, the seventh switch may be an mPnT switch.

[0186] In some embodiments, the coupling module may include a specific coupler, the first signal amplification module may include a power amplifier PA, and the second signal amplification module may include a low noise amplifier LAN. The PA is used for output amplification of the signal, and the LNA is used for input amplification at the antenna end, that is, the signal obtained from the antenna (such as the second communication signal) is usually extremely weak, such as a signal in the order of microvolts, and the LNA can amplify the signal to a more useful level.

[0187] Optionally, the first signal amplifying module may further include an eighth switch, one end of the eighth switch is connected to the PA, and the other end of the eighth switch may be connected to the wireless transceiver module and the cellular transceiver module respectively.

[0188] Exemplarily, the eighth switch may be a SPDT switch.

[0189] When sending the above-mentioned first communication signal, the eighth switch can be used to receive a first wireless communication signal from the wireless transceiver module and send the first wireless communication signal to the PA; or, receive a first cellular communication signal from the cellular transceiver module and send the first cellular communication signal to the PA.

[0190] Optionally, the second signal amplifying module may further include a multi-interface module, one end of which is connected to the second signal amplifying module, and the other end of which is connected to the wireless transceiver module and the cellular transceiver module respectively.

[0191] In the case of receiving the second communication signal, the multi-interface module can be used to receive the second target wireless communication signal to the wireless transceiver module; or, receive the second target cellular communication signal to the cellular transceiver module.

[0192] Fig.13 1 is a schematic diagram of a signal transceiver circuit 130 provided in an embodiment of the present application. The signal transceiver circuit 130 includes: a PA 131, a LAN 132, a second BPF 133, a second SAW 134, a third BPF 135, a fourth SAW 136, a coupler 137, a first SPDT switch 138, a second SPDT switch 139, a third SPDT switch 1310, a fourth SPDT switch 1311 and an mPnT switch 1312.

[0193] In the case of sending the above-mentioned first communication signal: the communication signal from the wireless transceiver module and the cellular transceiver module passes through the first SPDT switch 138, and the first SPDT switch 138 selects to transmit the first cellular communication signal on the first frequency band or the first wireless communication signal on the second frequency band to PA131 for amplification to obtain the first amplified wireless communication signal or the first amplified cellular communication signal. In the case of receiving the first amplified cellular communication signal, the second SPDT switch 139 can pass the first amplified cellular communication signal through the path provided with the second SAW 134 to obtain the filtered first amplified cellular communication signal, or, in the case of receiving the first amplified wireless communication signal, the second SPDT switch 139 can pass the first amplified wireless communication signal through the path provided with the second BPF 133 to obtain the filtered first amplified wireless communication signal. In the case of the filtered first amplified communication signal passing through the third SPDT switch 1310, the third SPDT switch 1310 can transmit the filtered first amplified communication signal to the coupler 137 for coupling to obtain the first target communication signal, and transmit it to the antenna through the mPnT switch 1312 for transmission.

[0194] In the case of receiving the above-mentioned second communication signal: the mPnT switch 1312 can pass the second cellular communication signal on the first frequency band received by the antenna through the path provided with the third SAW 136 to obtain the filtered second cellular communication signal, or pass the second wireless communication signal on the second frequency band received by the antenna through the path provided with the third BPF 135 to obtain the filtered second wireless communication signal. The fourth SPDT switch 1311 can transmit the filtered second wireless communication signal or the filtered second cellular communication signal to the LNA 132 for amplification to obtain the second target wireless communication signal or the second cellular communication signal, and transmit the second wireless communication signal back to the wireless transceiver module through the corresponding interface, and transmit the second cellular communication signal back to the cellular transceiver module.

[0195] Fig.14 1 is a schematic diagram of a signal transceiver circuit 140 provided in an embodiment of the present application. The signal transceiver circuit 140 includes: a PA 141, a LAN 142, a first BPF 143, a first SAW 144, a coupler 145, a first SPDT switch 146, a first DPDT switch 147, a second DPDT switch 148, and an mPnT switch 149.

[0196] In the case of sending the above-mentioned first communication signal: the communication signal from the wireless transceiver module and the cellular transceiver module passes through the first SPDT switch 146, and the first SPDT switch 146 selects to transmit the first cellular communication signal on the first frequency band or the first wireless communication signal on the second frequency band to the PA 141 for amplification to obtain the first amplified wireless communication signal or the first amplified cellular communication signal. In the case of receiving the first amplified cellular communication signal, the first DPDT switch 147 can pass the first amplified cellular communication signal through the path provided with the first SAW 144 to obtain the filtered first amplified cellular communication signal, or, in the case of receiving the first amplified wireless communication signal, the first DPDT switch 147 can pass the first amplified wireless communication signal through the path provided with the first BPF 143 to obtain the filtered first amplified wireless communication signal. In the case of the filtered first amplified communication signal passing through the second DPDT switch 148, the second DPDT switch 148 can transmit the filtered first amplified communication signal to the coupler 145 for coupling to obtain the first target communication signal, and transmit it to the antenna through the mPnT switch 149 for transmission.

[0197] In the case of receiving the second communication signal, the mPnT switch 149 can transmit the second cellular communication signal on the first frequency band or the second wireless communication signal on the second frequency band received by the antenna to the second DPDT switch 148, and the second cellular communication signal on the first frequency band received by the antenna is passed through the path provided with the first SAW 144 through the second DPDT switch 148 to obtain the filtered second cellular communication signal, or the second wireless communication signal on the second frequency band received by the antenna is passed through the path provided with the first BPF 143 to obtain the filtered second wireless communication signal. The filtered second wireless communication signal or the filtered second cellular communication signal can be transmitted to the LNA 142 through the first DPDT switch 147 for amplification to obtain the second target wireless communication signal or the second cellular communication signal, and the second wireless communication signal is transmitted back to the wireless transceiver module through the corresponding interface, and the second cellular communication signal is transmitted back to the cellular transceiver module.

[0198] It should be understood that the wireless communication signal on the second frequency band and the cellular communication signal on the first frequency band may be communication signals that interfere with each other.

[0199] In some embodiments, the first frequency band may include an N79 frequency band, and the second frequency band may include a WIFI 5G frequency band.

[0200] In another possible case, the first frequency band may include an N40 frequency band or an N41 frequency band, and the second frequency band may include a WIFI 2.4G frequency band.

[0201] The above contents are further detailed descriptions of the embodiments of the present invention in combination with specific implementation methods, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A signal transceiver circuit, characterized in that , comprising a first signal amplifying module, a second signal amplifying module, a filtering module, a coupling module and an antenna, one end of the filtering module is connected to the first signal amplifying module and the second signal amplifying module, the other end of the filtering module is connected to one end of the coupling module, and the other end of the coupling module is connected to the antenna, wherein: In the case of sending a first communication signal, the first signal amplifying module is used to amplify the first communication signal to obtain a first amplified communication signal, wherein the first communication signal includes a first cellular communication signal on a first frequency band or a first wireless communication signal on a second frequency band; The filtering module is used to filter the first amplified communication signal to obtain a filtered first amplified communication signal; The coupling module is used to couple the filtered first amplified communication signal to obtain a first target communication signal, and send the first target communication signal through the antenna; or, In the case of receiving a second communication signal, the coupling module is used to transmit the second communication signal from the antenna, where the second communication signal includes a second cellular communication signal on the first frequency band or a second wireless communication signal on the second frequency band; The filtering module is used to receive the second communication signal through the coupling module, and filter the second communication signal to obtain a filtered second communication signal; The second signal amplifying module is used to amplify the filtered second communication signal to obtain a second target communication signal.

2. The signal transceiver circuit according to claim 1, characterized in that: The other end of the filtering module is also connected to the antenna; In the case of receiving the second communication signal, the filtering module is further used to receive the second communication signal through a transmission path between the filtering module and the antenna.

3. The signal transceiver circuit according to claim 1 or 2, characterized in that: The filtering module includes a first bandpass filter BPF and a first surface acoustic wave filter SAW, and one end of the first BPF and the first SAW is connected to the first signal amplification module and the second signal amplification module; In the case of sending the first communication signal, the first BPF is used to filter the first amplified wireless communication signal to obtain the filtered first amplified wireless communication signal; or, in the case of receiving the second communication signal, the first BPF is used to filter the second wireless communication signal to obtain the filtered second wireless communication signal; When sending the first communication signal, the first SAW is used to filter the first amplified cellular communication signal to obtain the filtered first amplified cellular communication signal; or, when receiving the second communication signal, the first SAW is used to filter the second cellular communication signal to obtain the filtered second cellular communication signal.

4. The signal transceiver circuit according to claim 3, characterized in that: The signal transceiver circuit further includes a first switch, one end of the first switch is connected to the first signal amplification module and the second signal amplification module, and the other end of the first switch is connected to the first BPF and the first SAW; In the case of sending the first communication signal, the first switch is used to receive the first amplified communication signal from the first signal amplification module, and send the first amplified wireless communication signal to the first BPF, and send the first amplified cellular communication signal to the first SAW; or, When receiving the second communication signal, the first switch is used to receive the filtered second communication signal, and send the filtered second wireless communication signal from the first BPF to the second signal amplification module, and send the filtered second cellular communication signal from the first SAW to the second signal amplification module.

5. The signal transceiver circuit according to claim 4, characterized in that: The signal transceiver circuit further includes a second switch, one end of the second switch is connected to the coupling module and the antenna, and the other end of the second switch is connected to the first BPF and the first SAW; In the case of sending the first communication signal, the second switch is used to receive the filtered first amplified communication signal, and send the first amplified wireless communication signal from the first BPF to the coupling module, and send the first amplified cellular communication signal from the first SAW to the coupling module; or, When receiving the second communication signal, the second switch is used to receive the second communication signal from the antenna through a transmission path between the second switch and the antenna, and send the second wireless communication signal to the first BPF and send the second cellular communication signal to the first SAW.

6. The signal transceiver circuit according to claim 4, characterized in that: The signal transceiver circuit further includes a third switch, one end of the third switch is connected to the coupling module, and the other end of the third switch is connected to the first BPF and the first SAW; In the case of sending the first communication signal, the third switch is used to receive the filtered first amplified communication signal, and send the filtered first amplified wireless communication signal from the first BPF to the coupling module, and send the filtered first amplified cellular communication signal from the first SAW to the coupling module; or, In the case of receiving the second communication signal, the third switch is used to receive the second communication signal through the coupling module, and send the second wireless communication signal to the first BPF, and send the second cellular communication signal to the first SAW.

7. The signal transceiver circuit according to claim 1 or 2, characterized in that: The filtering module comprises a first filtering module and a second filtering module, one end of the first filtering module is connected to the first signal amplifying module, the other end of the first filtering module is connected to the coupling module, and one end of the second filtering module is connected to the second signal amplifying module; In the case of sending the first communication signal, the first filtering module is used to receive the first amplified communication signal from the first signal amplifying module, and filter the first amplified communication signal to obtain the filtered first amplified communication signal; In the case of receiving the second communication signal, the second filtering module is used to filter the second communication signal to obtain the filtered second communication signal, and send the filtered second communication signal to the second signal amplifying module.

8. The signal transceiver circuit according to claim 7, characterized in that: In the case where the second communication signal is received and the other end of the second filtering module is connected to the coupling module, the second filtering module is used to receive the second communication signal through the coupling module; or, When the other end of the second filtering module is connected to the antenna, the second filtering module is used to receive the second communication signal through a transmission path between the second filtering module and the antenna.

9. The signal transceiver circuit according to claim 7, characterized in that: The first filtering module includes a second bandpass filter BPF and a second surface acoustic wave filter SAW, one end of the second BPF and the second SAW is connected to the first signal amplification module, and the other end of the second BPF and the second SAW is connected to the coupling module; In the case of sending the first communication signal, the second BPF is used to filter the first amplified wireless communication signal to obtain a filtered first amplified wireless communication signal; The second SAW is used to filter the first amplified cellular communication signal to obtain a filtered first amplified cellular communication signal; The second filtering module includes a third bandpass filter BPF and a third surface acoustic wave filter SAW, and one end of the third BPF and the third SAW is connected to the second signal amplification module; In the case of receiving the second communication signal, the third BPF is used to filter the second wireless communication signal to obtain a filtered second wireless communication signal; The third SAW is used to filter the second cellular communication signal to obtain a filtered second cellular communication signal.

10. The signal transceiver circuit according to claim 9, characterized in that: The first filtering module further includes a fourth switch and a fifth switch, one end of the fourth switch is connected to the first signal amplification module, and the other end of the fourth switch is connected to the second BPF and the second SAW; one end of the fifth switch is connected to the second BPF and the second SAW, and the other end of the fifth switch is connected to the coupling module; In the case of sending the first communication signal, the fourth switch is used to receive the first amplified wireless communication signal and send the first amplified wireless communication signal to the second BPF; The fifth switch is configured to receive the filtered first amplified wireless communication signal from the second BPF, and send the filtered first amplified wireless communication signal to the coupling module; or, In the case of sending the first communication signal, the fourth switch is used to receive the first amplified cellular communication signal and send the first amplified cellular communication signal to the second SAW; The fifth switch is configured to receive the filtered first amplified cellular communication signal from the second SAW, and send the filtered first amplified cellular communication signal to the coupling module.

11. The signal transceiver circuit according to claim 9, characterized in that: The second filtering module further includes a sixth switch, one end of the sixth switch is connected to the second signal amplification module, and the other end of the sixth switch is connected to the third BPF and the third SAW; In the case of receiving the second communication signal, the sixth switch is used to receive the filtered second wireless communication signal from the third BPF and send the filtered second wireless communication signal to the second signal amplification module; or, The device is configured to receive the filtered second cellular communication signal from the third SAW, and send the filtered second cellular communication signal to the second signal amplification module.

12. The signal transceiver circuit according to claim 2, characterized in that: The signal transceiver circuit further includes a seventh switch, one end of the seventh switch is connected to the filter module and the coupling module, and the other end of the seventh switch is connected to the antenna; In the case of sending the first communication signal, the seventh switch is used to receive the first target communication signal and send the first communication signal through the antenna; or, In the case of receiving the second communication signal, the seventh switch is used to receive the second communication signal from the antenna and send the second communication signal to the filtering module.

13. The signal transceiver circuit according to claim 1, characterized in that: The first signal amplifying module includes a power amplifier PA, and the second signal amplifying module includes a low noise amplifier LAN.

14. The signal transceiver circuit according to claim 13, characterized in that: The first signal amplifying module further includes an eighth switch, one end of which is connected to the PA, and the second signal amplifying module further includes a multi-interface module, one end of which is connected to the LAN; In the case of sending the first communication signal, the eighth switch is used to receive the first wireless communication signal and send the first wireless communication signal to the PA; or receive the first cellular communication signal and send the first cellular communication signal to the PA; In case of receiving the second communication signal, the multi-interface module is used to receive the second target wireless communication signal or the second target cellular communication signal.

15. The signal transceiver circuit according to claim 1, characterized in that: The first frequency band includes the N79 frequency band, and the second frequency band includes the WIFI 5G frequency band; Or; the first frequency band includes the N40 frequency band or the N41 frequency band, and the second frequency band includes the WIFI2.4G frequency band.

16. An electronic device, characterized in that: A signal transceiver circuit comprising the signal transceiver circuit according to any one of claims 1 to 15.

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