Ka-band miniaturized dual-channel transceiver module

Abstract

The utility model discloses a Ka-band miniaturized dual-channel transceiver module, which comprises two receiving channels, a transmitting input channel and a local oscillator input channel, the receiving channel comprises a transmit-receive switching unit, a gain adjusting unit, a blanking switch unit, a first attenuation amplification unit and a frequency mixing unit. The transmit-receive switching unit, the gain adjustment unit, the blanking switch unit, the attenuation amplification unit and the frequency mixing unit are connected in sequence. The transmitting-receiving switching unit is also connected with the transmitting input channel; the frequency mixing unit is also connected with the local oscillator input channel; and the frequency mixing unit is used for mixing the radio frequency signal and the local oscillator input channel signal. According to the utility model, two paths of receiving channels and one path of transmitting input channel are included, a plurality of signals can be processed at the same time, and the parallel processing capability of the system is improved. Through the transceiving switching unit, the module can flexibly switch a receiving mode or a transmitting mode, and the gain adjusting unit can adjust the gain according to the actual signal strength and optimize the signal quality.

Description

Technical Field

[0001] This utility model belongs to the field of electrical component technology, specifically a Ka-band miniaturized dual-channel transceiver module. Background Technology

[0002] Electrical components are the core building blocks of electronic devices and systems. With technological advancements, various application scenarios demand smaller size and higher stability from electrical components. The development of electrical component technology has driven the miniaturization of electronic devices, playing a crucial role in fields such as communications, energy, medical, industrial, home, and consumer electronics.

[0003] In the prior art, for example, the technical solution described in patent CN216565126U is a Ka-band communication receiving module. It includes a Ka-band radio frequency signal input port, a Ka-band radio frequency receiving circuit disposed within a Ka-band radio frequency receiving shielded cavity, and a Ka-band radio frequency receiving power supply circuit for supplying power to the Ka-band receiving circuit. The front end of the Ka-band radio frequency receiving circuit is electrically connected to the Ka-band radio frequency signal input port via a high-impedance line.

[0004] In existing technologies, although Ka-band frequency conversion transceivers can be achieved, multiple modules still need to be interconnected, resulting in low integration and complex system design, large size, and high insertion loss. The interconnection of multiple modules using coaxial cables leads to external radiation of connectors and cables, resulting in low isolation. Utility Model Content

[0005] The purpose of this invention is to provide a miniaturized Ka-band dual-channel transceiver module to solve the problems mentioned in the background art, such as the high complexity and low integration of the existing Ka-band dual-channel transceiver module, which result in large size, insertion loss and low isolation.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] A Ka-band miniaturized dual-channel transceiver module includes two receiving channels, one transmitting input channel, and a local oscillator input channel; wherein the two receiving channels are respectively connected to the local oscillator input channel and the transmitting input channel.

[0008] The receiving channel includes a transmit / receive switching unit, a gain adjustment unit, a blanking switch unit, a first attenuation amplification unit, and a mixing unit; wherein the transmit / receive switching unit, the gain adjustment unit, the blanking switch unit, the attenuation amplification unit, and the mixing unit are connected in sequence.

[0009] The transceiver switching unit is also connected to the transmit input channel, which is used to send radio frequency signals to the receive channel. The transceiver switching unit is used for transmitting and receiving radio frequency signals. The mixer unit is also connected to the local oscillator input channel. The mixer unit is used to mix the radio frequency signal with the signal from the local oscillator input channel and outputs the intermediate frequency signal.

[0010] According to the above technical solution, the transceiver switching unit includes a first switch, pin 1 of the first switch is connected to the gain adjustment unit, and pin 2 of the first switch is connected to the attenuation power divider unit.

[0011] According to the above technical solution, the gain adjustment unit includes a first attenuator, one end of which is connected to pin 1 of the first switch, and the other end of which is connected to the blanking switch unit.

[0012] According to the above technical solution, the blanking switch unit includes a second switch, one end of which is connected to the first attenuator, and the other end of which is connected to the first attenuation amplification unit.

[0013] According to the above technical solution, the first attenuation amplification unit includes a second attenuator, a first amplifier, and a third attenuator; wherein, one end of the second attenuator is connected to a second switch, the second attenuator, the first amplifier, and the third attenuator are connected in sequence, and the third attenuator is also connected to the mixing unit.

[0014] According to the above technical solution, the mixing unit includes a mixer, which is connected to the third attenuator and the local oscillator input channel respectively.

[0015] According to the above technical solution, the local oscillator input channel includes a third attenuation amplification unit, a power divider unit, and a fourth attenuation amplification unit; wherein, the third attenuation amplification unit, the power divider unit, and the fourth attenuation amplification unit are connected in sequence; the third attenuation amplification unit is also used for the input of the local oscillator signal, and the fourth attenuation amplification unit is connected to two receiving channels respectively for signal input.

[0016] According to the above technical solution, the third attenuation amplification unit includes a seventh attenuator and a third amplifier; the power divider unit includes a second power divider; and the fourth attenuation amplification unit includes an eighth attenuator, a fourth amplifier, a ninth attenuator, and a fifth amplifier.

[0017] One end of the seventh attenuator is used for the local oscillator signal input, and the other end of the seventh attenuator is connected to one end of the third amplifier. The other end of the third amplifier is connected to one end of the second power divider. Pin 1 of the second power divider is connected to one end of the eighth attenuator, and the other end of the eighth attenuator is connected to the fourth amplifier. The fourth amplifier is connected to one receiving channel.

[0018] Pin 2 of the second power divider is connected to one end of the ninth attenuator, and the other end of the ninth attenuator is connected to the fifth amplifier; the fifth amplifier is connected to another receiving channel.

[0019] According to the above technical solution, the transmission input channel includes a second attenuation amplification unit and an attenuation power divider unit; wherein, the second attenuation amplification unit and the attenuation power divider unit are connected in sequence; the second attenuation amplification unit is used for the input of the transmission signal; the attenuation power divider unit is connected to two receiving channels respectively.

[0020] According to the above technical solution, the second attenuation amplification unit includes a fourth attenuator and a second amplifier; the attenuation power divider unit includes a first power divider, a fifth attenuator and a sixth attenuator;

[0021] One end of the fourth attenuator is used as the input of the transmitted signal; the other end of the fourth attenuator is connected to one end of the second amplifier; the other end of the second amplifier is connected to the first power divider; pin 1 of the first power divider is connected to one end of the fifth attenuator; and the other end of the fifth attenuator is connected to one receiving channel.

[0022] Pin 2 of the first power divider is connected to one end of the sixth attenuator, and the other end of the sixth attenuator is connected to another receiving channel.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] This invention includes two receiving channels and one transmitting input channel, enabling simultaneous processing of multiple signals and improving the system's parallel processing capability. Through the transmit / receive switching unit, the module can flexibly switch between receiving and transmitting modes; the gain adjustment unit can adjust the gain according to the actual signal strength to optimize signal quality; and the blanking switch unit can disable the receiving function when no signal is needed, reducing interference and power consumption and improving system efficiency.

[0025] After processing by the attenuation and amplification unit and the mixer unit, the received radio frequency signal can be effectively enhanced and converted into an intermediate frequency signal, facilitating subsequent signal processing. This process helps improve the system's sensitivity and signal-to-noise ratio, enabling better extraction of useful information. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the receiving channel circuit of the dual-channel transceiver module in this utility model;

[0027] Figure 2 This is a schematic diagram of the local oscillator input channel circuit of the dual-channel transceiver module in this utility model.

[0028] The diagram is labeled as follows: 100-Transmit / Receive Switching Unit, 101-First Switch, 200-Gain Adjustment Unit, 201-First Attenuator, 300-Blanking Switch Unit, 301-Second Switch, 400-First Attenuation Amplification Unit, 401-Second Attenuator, 402-First Amplifier, 403-Third Attenuator, 500-Mixer Unit, 501-Mixer, 600-Second Attenuation Amplification Unit, 601-Fourth Attenuator, 602-Second Amplifier, 700-Attenuation Power Divider Unit, 701-First Power Divider, 702-Fifth Attenuator, 703-Sixth Attenuator, 800-Third Attenuation Amplification Unit, 801-Seventh Attenuator, 802-Third Amplifier, 900-Power Divider Unit, 901-Second Power Divider, 110-Fourth Attenuation Amplification Unit, 1101-Eighth Attenuator, 1102-Fourth Amplifier, 1103-Ninth Attenuator, 1104-Fifth Amplifier. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Example 1

[0031] like Figure 1 and Figure 2 As shown, a Ka-band miniaturized dual-channel transceiver module includes two receiving channels, one transmitting input channel, and a local oscillator input channel; wherein the two receiving channels are respectively connected to the local oscillator input channel and the transmitting input channel;

[0032] like Figure 1 As shown, the receiving channel includes a transmit / receive switching unit, a gain adjustment unit, a blanking switch unit, a first attenuation amplification unit, and a mixer unit; wherein, the transmit / receive switching unit, the gain adjustment unit, the blanking switch unit, the attenuation amplification unit, and the mixer unit are connected in sequence.

[0033] The transceiver switching unit is also connected to the transmit input channel, which is used to send radio frequency signals to the receive channel. The transceiver switching unit is used for transmitting and receiving radio frequency signals. The mixer unit is also connected to the local oscillator input channel. The mixer unit is used to mix the radio frequency signal with the signal from the local oscillator input channel and outputs the intermediate frequency signal.

[0034] This invention includes two receiving channels and one transmitting input channel, enabling simultaneous processing of multiple signals and improving the system's parallel processing capability. Through the transmit / receive switching unit, the module can flexibly switch between receiving and transmitting modes; the gain adjustment unit can adjust the gain according to the actual signal strength to optimize signal quality; and the blanking switch unit can disable the receiving function when no signal is needed, reducing interference and power consumption and improving system efficiency.

[0035] After processing by the attenuation and amplification unit and the mixer unit, the received radio frequency signal can be effectively enhanced and converted into an intermediate frequency signal, facilitating subsequent signal processing. This process helps improve the system's sensitivity and signal-to-noise ratio, enabling better extraction of useful information.

[0036] Example 2

[0037] This embodiment is a further refinement of Embodiment 1.

[0038] like Figure 1 As shown, the transmit / receive switching unit includes a first switch, pin 1 of which is connected to the gain adjustment unit, and pin 2 of which is connected to the attenuation power divider unit.

[0039] The gain adjustment unit includes a first attenuator, one end of which is connected to pin 1 of the first switch, and the other end of which is connected to the blanking switch unit.

[0040] The blanking switch unit includes a second switch, one end of which is connected to the first attenuator, and the other end of which is connected to the first attenuation amplification unit.

[0041] The first attenuation and amplification unit includes a second attenuator, a first amplifier, and a third attenuator; wherein, one end of the second attenuator is connected to a second switch, the second attenuator, the first amplifier, and the third attenuator are connected in sequence, and the third attenuator is also connected to the mixing unit.

[0042] The mixing unit includes a mixer, which is connected to the third attenuator and the local oscillator input channel.

[0043] like Figure 2 As shown, the local oscillator input channel includes a third attenuation amplification unit, a power divider unit, and a fourth attenuation amplification unit; wherein, the third attenuation amplification unit, the power divider unit, and the fourth attenuation amplification unit are connected in sequence; the third attenuation amplification unit is also used for the input of the local oscillator signal, and the fourth attenuation amplification unit is connected to the two receiving channels respectively for signal input.

[0044] The third attenuation and amplification unit includes a seventh attenuator and a third amplifier; the power divider unit includes a second power divider; the fourth attenuation and amplification unit includes an eighth attenuator, a fourth amplifier, a ninth attenuator, and a fifth amplifier.

[0045] One end of the seventh attenuator is used for the local oscillator signal input, and the other end of the seventh attenuator is connected to one end of the third amplifier. The other end of the third amplifier is connected to one end of the second power divider. Pin 1 of the second power divider is connected to one end of the eighth attenuator, and the other end of the eighth attenuator is connected to the fourth amplifier. The fourth amplifier is connected to one receiving channel.

[0046] Pin 2 of the second power divider is connected to one end of the ninth attenuator, and the other end of the ninth attenuator is connected to the fifth amplifier; the fifth amplifier is connected to another receiving channel.

[0047] The transmit input channel includes a second attenuation amplification unit and an attenuation power divider unit; wherein the second attenuation amplification unit and the attenuation power divider unit are connected in sequence; the second attenuation amplification unit is used for the input of the transmit signal; the attenuation power divider unit is connected to the two receive channels respectively.

[0048] The second attenuation amplification unit includes a fourth attenuator and a second amplifier; the attenuation power divider unit includes a first power divider, a fifth attenuator, and a sixth attenuator;

[0049] One end of the fourth attenuator is used as the input of the transmitted signal; the other end of the fourth attenuator is connected to one end of the second amplifier; the other end of the second amplifier is connected to the first power divider; pin 1 of the first power divider is connected to one end of the fifth attenuator; and the other end of the fifth attenuator is connected to one receiving channel.

[0050] Pin 2 of the first power divider is connected to one end of the sixth attenuator, and the other end of the sixth attenuator is connected to another receiving channel.

[0051] In this invention, the first switch is a single-pole double-throw switch.

[0052] The first attenuator is a digitally controlled attenuator.

[0053] The second switch is a single-pole single-throw absorber switch.

[0054] The first amplifier is a low-noise amplifier, and the second and third attenuators are composed of fixed attenuators.

[0055] The mixer consists of an I / Q mixer.

[0056] The second amplifier is a power amplifier, and the fourth attenuator is a fixed attenuator.

[0057] The first power divider is a power divider, and the fifth attenuator is a fixed attenuator.

[0058] The third amplifier is a low-noise amplifier, and the seventh attenuator is a fixed attenuator.

[0059] The second power divider is a two-way power divider.

[0060] The fourth and fifth amplifiers are low-noise amplifiers, and the eighth and ninth attenuators are fixed attenuators.

[0061] The working principle of this utility model is as follows: The received radio frequency signal is selected for transmission and reception by the transceiver switching unit 100; then the gain is adjusted by the gain adjustment unit 200, the blanking switch unit 300, and the first attenuation amplification unit 400; finally, the radio frequency signal is converted into an intermediate frequency signal by the mixer unit 500 and then output. The radio frequency signal is amplified by the second attenuation amplification unit 600; then the power division and power adjustment are performed by the attenuation power divider unit 700; finally, the transmission and reception are selected by the transceiver switching unit 100 and then output. The local oscillator signal is modulated by the third attenuation amplification unit 800; then the power division and amplification are performed by the power divider unit 900 and the fourth attenuation amplification unit 110 to provide the local oscillator signal required for frequency conversion for the two channels.

[0062] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0063] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A Ka-band miniaturized dual-channel transceiver module, characterized in that: It includes two receiving channels, one transmitting input channel, and a local oscillator input channel; the two receiving channels are respectively connected to the local oscillator input channel and the transmitting input channel. The receiving channel includes a transmit / receive switching unit (100), a gain adjustment unit (200), a blanking switch unit (300), a first attenuation amplification unit (400), and a mixing unit (500); wherein the transmit / receive switching unit (100), the gain adjustment unit (200), the blanking switch unit (300), the first attenuation amplification unit (400), and the mixing unit (500) are connected in sequence; The transceiver switching unit (100) is also connected to the transmit input channel, which is used to send radio frequency signals to the receive channel. The transceiver switching unit (100) is used to transmit and receive radio frequency signals. The mixer unit (500) is also connected to the local oscillator input channel. The mixer unit (500) is used to mix the radio frequency signals with the local oscillator input channel signals and output intermediate frequency signals.

2. The Ka-band miniaturized dual-channel transceiver module according to claim 1, characterized in that: The transmit / receive switching unit (100) includes a first switch (101), pin 1 of the first switch (101) is connected to the gain adjustment unit (200), and pin 2 of the first switch (101) is connected to the attenuation power divider unit (700).

3. A Ka-band miniaturized dual-channel transceiver module according to claim 2, characterized in that: The gain adjustment unit (200) includes a first attenuator (201), one end of which is connected to pin 1 of the first switch (101), and the other end of which is connected to the blanking switch unit (300).

4. A Ka-band miniaturized dual-channel transceiver module according to claim 3, characterized in that: The blanking switch unit (300) includes a second switch (301), one end of which is connected to the first attenuator (201), and the other end of which is connected to the first attenuation amplification unit (400).

5. A Ka-band miniaturized dual-channel transceiver module according to claim 4, characterized in that: The first attenuation and amplification unit (400) includes a second attenuator (401), a first amplifier (402), and a third attenuator (403); wherein one end of the second attenuator (401) is connected to the second switch (301), the second attenuator (401), the first amplifier (402), and the third attenuator (403) are connected in sequence, and the third attenuator (403) is also connected to the mixing unit (500).

6. A Ka-band miniaturized dual-channel transceiver module according to claim 5, characterized in that: The mixing unit (500) includes a mixer (501), which is connected to the third attenuator (403) and the local oscillator input channel.

7. A Ka-band miniaturized dual-channel transceiver module according to claim 6, characterized in that: The local oscillator input channel includes a third attenuation amplification unit (800), a power divider unit (900), and a fourth attenuation amplification unit (110); wherein the third attenuation amplification unit (800), the power divider unit (900), and the fourth attenuation amplification unit (110) are connected in sequence; the third attenuation amplification unit (800) is also used for the input of the local oscillator signal, and the fourth attenuation amplification unit (110) is connected to the two receiving channels respectively for signal input.

8. A Ka-band miniaturized dual-channel transceiver module according to claim 7, characterized in that: The third attenuation amplification unit (800) includes a seventh attenuator (801) and a third amplifier (802); the power divider unit (900) includes a second power divider (901); the fourth attenuation amplification unit (110) includes an eighth attenuator (1101), a fourth amplifier (1102), a ninth attenuator (1103), and a fifth amplifier (1104). One end of the seventh attenuator (801) is used for the local oscillator signal input, and the other end of the seventh attenuator (801) is connected to one end of the third amplifier (802). The other end of the third amplifier (802) is connected to one end of the second power divider (901). Pin 1 of the second power divider (901) is connected to one end of the eighth attenuator (1101), and the other end of the eighth attenuator (1101) is connected to the fourth amplifier (1102). The fourth amplifier (1102) is connected to one receiving channel. Pin 2 of the second power divider (901) is connected to one end of the ninth attenuator (1103), and the other end of the ninth attenuator (1103) is connected to the fifth amplifier (1104); the fifth amplifier (1104) is connected to another receiving channel.

9. A Ka-band miniaturized dual-channel transceiver module according to claim 8, characterized in that: The transmit input channel includes a second attenuation amplification unit (600) and an attenuation power divider unit (700); wherein the second attenuation amplification unit (600) and the attenuation power divider unit (700) are connected in sequence; the second attenuation amplification unit (600) is used for the input of the transmit signal; the attenuation power divider unit (700) is connected to the two receive channels respectively.

10. A Ka-band miniaturized dual-channel transceiver module according to claim 9, characterized in that: The second attenuation amplification unit (600) includes a fourth attenuator (601) and a second amplifier (602); the attenuation power divider unit (700) includes a first power divider (701), a fifth attenuator (702) and a sixth attenuator (703); One end of the fourth attenuator (601) is used as the input of the transmitted signal; the other end of the fourth attenuator (601) is connected to one end of the second amplifier (602); the other end of the second amplifier (602) is connected to the first power divider (701); pin 1 of the first power divider (701) is connected to one end of the fifth attenuator (702); and the other end of the fifth attenuator (702) is connected to a receiving channel. Pin 2 of the first power divider (701) is connected to one end of the sixth attenuator (703), and the other end of the sixth attenuator (703) is connected to another receiving channel.

Images