Signal output system and electronic equipment

Abstract

The present application proposes a signal output system and an electronic device, the signal output system includes a signal output module and a charge pump module, the signal output module is used to output a corresponding clock signal of a preset frequency according to a preset control signal, the preset control signal corresponds to a load circuit, and different load circuits correspond to different preset control signals; the charge pump module is used to output a corresponding preset control voltage according to the clock signal of the preset frequency to provide the preset control voltage to the corresponding load circuit, the preset control voltage corresponds to the load circuit, and different load circuits correspond to different preset control voltages. In the embodiment of the present application, since the preset control signals corresponding to the connected load circuits are different, the preset control signal can be adjusted accordingly according to the load circuit actually working, so that the preset control voltage finally output meets the needs of the load circuit.

Description

Technical Field

[0001] The present application relates to the technical field of electronic circuits, and in particular to a signal output system and electronic equipment. Background Art

[0002] With the continuous improvement of the integration of wireless communication systems, the use of RF switches is increasing day by day. In order to ensure that the RF signal can still ensure that the signal noise does not deteriorate after passing through multiple RF switches, the performance requirements of RF switches are getting higher and higher. In actual applications, considering the switching requirements of the RF system for RF switches in different channels, it is often necessary to generate a control voltage to switch the RF switch to meet the RF signal transmission between different channels. However, at present, for different load circuits, the control voltage output by the signal output system is usually fixed, which cannot meet the needs of different load circuits. Summary of the invention

[0003] The present application provides a signal output system and an electronic device, the main purpose of which is to provide different control voltages according to different connected load circuits and meet the needs of multiple load circuits at the same time.

[0004] In a first aspect, an embodiment of the present application provides a signal output system, including a signal output module and a charge pump module, wherein:

[0005] The signal output module is used to output a clock signal of a preset frequency corresponding to a preset control signal, wherein the preset control signal corresponds to a load circuit, and different load circuits correspond to different preset control signals;

[0006] The charge pump module is used to output a corresponding preset control voltage according to the clock signal of the preset frequency to provide the preset control voltage to the corresponding load circuit. The preset control voltage corresponds to the load circuit, and different load circuits correspond to different preset control voltages.

[0007] Preferably, it also includes:

[0008] The signal generating module is used to output a corresponding preset control signal according to a preset instruction, wherein the preset instruction corresponds to the preset control voltage, and different preset control voltages correspond to different preset instructions.

[0009] Preferably, it further comprises a driving module, and the charge pump module is connected to a plurality of load circuits through the driving module;

[0010] The driving module is used to output a corresponding control signal to the load circuit according to a preset driving signal, so as to disconnect or connect the load circuit.

[0011] Preferably, the driving module is configured to convert the preset control voltage output by the charge pump module based on the preset driving signal, and output a target control voltage to the load circuit, wherein different load circuits correspond to different target control voltages.

[0012] Preferably, the load circuit includes a first load circuit and a second load circuit, the preset control signal includes a first preset control signal and a second preset control signal, the preset drive signal includes a first preset drive signal and a second preset drive signal, the preset frequency clock signal includes a clock signal of a first preset frequency and a clock signal of a second preset frequency, and the preset control voltage includes a first preset control voltage and a second preset control voltage, wherein:

[0013] The signal output module is used to output a corresponding first preset frequency clock signal according to the first preset control signal, or to output a corresponding second preset frequency clock signal according to the second preset control signal;

[0014] The charge pump module is configured to output the first preset control voltage according to the first preset frequency clock signal, or to output the corresponding second preset control voltage according to the second preset frequency clock signal;

[0015] The driving module is used to turn on the first load circuit and disconnect the second load circuit according to the first preset control voltage and the first preset driving signal, or to turn on the second load circuit and disconnect the first load circuit according to the second preset control voltage and the second preset driving signal.

[0016] Preferably, the preset driving signal further includes a third preset driving signal and a fourth preset driving signal, wherein:

[0017] The driving module is further used to disconnect the first load circuit and the second load circuit according to the third preset driving signal;

[0018] or,

[0019] The driving module is further configured to turn on the first load circuit according to the first preset control voltage and the fourth preset driving signal, and to turn on the second load circuit according to the first preset control voltage and the fourth preset driving signal.

[0020] Preferably, the first load circuit is a signal transmitting circuit, and the second load circuit is a signal receiving circuit.

[0021] Preferably, the preset control signal is a binary signal, the preset control signal includes N bits, and the number of the load circuits is less than or equal to N. 2, the load circuit corresponds to at least one value of the preset control signal, and N is a positive integer.

[0022] Preferably, the preset control signal is a binary signal, the signal output module comprises a control unit and an oscillation unit, the oscillation unit comprises a plurality of inverters, wherein:

[0023] The control unit is used to obtain a corresponding preset frequency control instruction according to the preset control signal, and select a target inverter from the oscillation unit according to the bit of the preset frequency control instruction, wherein the preset frequency control instruction is a binary signal, and the number of bits in the preset frequency control instruction is the same as the number of inverters in the oscillation unit;

[0024] The oscillation unit is used to control the target inverter to work and control other inverters not to work, so as to output the preset frequency clock signal.

[0025] Preferably, each bit in the preset frequency control instruction corresponds to an inverter;

[0026] The control unit is used for, according to the Mth bit in the preset frequency control instruction, if it is determined that the Mth bit is 1, then the Mth inverter in the oscillation unit is used as the target inverter; if it is determined that the Mth bit is 0, then the Mth inverter in the oscillation unit is used as the other inverter;

[0027] The oscillation unit is used to conduct the path from the target inverter to the output end of the oscillation unit, and disconnect the path from other inverters to the output end of the oscillation unit, so as to output the preset control voltage at the output end of the oscillation unit.

[0028] Preferably, the signal generating module comprises an interface unit and a decoding unit, wherein:

[0029] The interface unit is used to receive the preset instruction;

[0030] The decoding unit is used to perform decoding according to the preset instruction to obtain the preset control signal.

[0031] Preferably, the interface unit includes MIPI (Mobile Industry Processor Interface), and the decoding unit includes a decoder.

[0032] Preferably, the power supply end of the signal generating module, the power supply end of the signal output module, and the power supply end of the charge pump module are all used to connect to a target power supply signal.

[0033] Preferably, it further comprises a voltage stabilizing module, the input end of the voltage stabilizing module is used to connect with the initial power supply signal, and the output end of the voltage stabilizing power supply is respectively connected with the power supply end of the signal generating module, the power supply end of the signal output module, and the power supply end of the charge pump module, wherein:

[0034] The voltage stabilization module is used to stabilize the initial power signal and output a target power signal.

[0035] Preferably, the voltage stabilization module includes a low voltage dropout linear regulator.

[0036] In a second aspect, an embodiment of the present application provides an electronic device, which includes a signal output system provided in the first aspect.

[0037] The present application proposes a signal output system and electronic device, the signal output system can be connected to multiple load circuits, when a certain load circuit is required to work, the preset control signal corresponding to the load circuit is determined according to the preset control voltage corresponding to the load circuit. The signal output module can output a corresponding clock signal of a preset frequency according to the preset control signal, and the charge pump module outputs a corresponding preset control voltage according to the clock signal of the preset frequency, and provides the preset control voltage to the load circuit. In the embodiment of the present application, since the preset control voltages required by the connected load circuits are different, the preset control signal can be adjusted accordingly according to the load circuit actually working, so as to realize flexible adjustment of the clock signal output by the signal output module and the preset control voltage output by the charge pump module to meet the needs of different load circuits. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 A schematic diagram of the structure of a signal output system provided in an embodiment of the present application;

[0039] Figure 2 A schematic diagram of the structure of a signal output system provided in one embodiment of the present application;

[0040] Figure 3 A schematic diagram of the structure of a signal output system provided in yet another embodiment of the present application;

[0041] Figure 4 A schematic diagram of an application scenario of a signal output system provided in an embodiment of the present application;

[0042] Figure 5 A schematic diagram of the structure of a signal output module provided in an embodiment of the present application;

[0043] Figure 6 A schematic diagram of the structure of a signal generation module provided in an embodiment of the present application;

[0044] Figure 7 A circuit diagram of a signal output system provided in an embodiment of the present application;

[0045] Figure 8 Schematic diagram of the structure of an electronic device in an embodiment of the present application. Description of the drawings:

[0047] 100, signal output system; 200, load circuit;

[0048] 110, signal output module; 120, charge pump module;

[0049] 130, a signal generating module; 140, a driving module;

[0050] 210, signal transmitting circuit; 220, signal receiving circuit;

[0051] S1, first switch; S2, second switch;

[0052] ANT1, first antenna; ANT2, second antenna;

[0053] 112, oscillation unit; 1121, inverter;

[0054] 131, an interface unit; 132, a decoding unit;

[0055] 300, electronic equipment; 111, control unit.

[0056] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0057] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0058] In order to enable those skilled in the art to better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present application.

[0059] In the embodiments of the present application, at least one refers to one or more; multiple refers to two or more. In the description of the present application, the words "first", "second", "third", etc. are only used for the purpose of distinguishing descriptions, and cannot be understood as indicating or implying relative importance, nor can they be understood as indicating or implying an order.

[0060] References to "one embodiment" or "some embodiments" etc. described in this specification mean that one or more embodiments of the present application include a particular feature, structure or characteristic described in conjunction with the embodiment. Thus, in this specification, the terms "include", "comprises", "has" and their variations all mean "including but not limited to", unless otherwise specifically emphasized.

[0061] It should be noted that in the embodiments of the present application, "connection" can be understood as electrical connection, and the connection between two electrical components can be a direct or indirect connection between the two electrical components. For example, the connection between A and B can be either a direct connection between A and B or an indirect connection between A and B through one or more other electrical components.

[0062] Figure 1 A schematic diagram of the structure of a signal output system 100 provided in an embodiment of the present application is shown in FIG. Figure 1 As shown, the signal output system 100 includes a signal output module 110 and a charge pump module 120, wherein:

[0063] The signal output module 110 is used to output a clock signal of a preset frequency according to a preset control signal. The preset control signal corresponds to the load circuit 200, and different load circuits 200 correspond to different preset control signals.

[0064] The charge pump module 120 is used to output a corresponding preset control voltage according to the clock signal of the preset frequency to provide the preset control voltage to the corresponding load circuit 200. The preset control voltage corresponds to the load circuit 200, and different load circuits 200 correspond to different preset control voltages.

[0065] The signal output system 100 is used to connect with multiple load circuits 200. In this embodiment, the load circuit 200 can be any circuit that requires voltage to work. The load circuit 200 can be a digital circuit or an analog circuit, such as a signal transmission circuit, a signal receiving circuit 220, a voltage divider circuit, a filter circuit, a signal processor, a selector, a processor, a logic gate, etc., which can be determined according to actual conditions, and this embodiment does not specifically limit this. Preferably, the load circuit in this embodiment is a signal transmission circuit in a radio frequency system, for example: it can be a signal transmission circuit and a signal receiving circuit.

[0066] In this embodiment, the signal output system 100 includes a signal output module 110 and a charge pump module 120. One end of the signal output module 110 is used to receive a preset control signal, and the other end of the signal output module 110 is connected to one end of the charge pump module 120. The other end of the charge pump is used to connect to a plurality of load circuits 200 with different operating voltages.

[0067] As an example, the corresponding relationship between the load circuit 200, the preset control voltage, the clock signal of the preset frequency and the preset control signal can be set in advance. Since the control voltage required for different load circuits 200 to work is known, according to the voltage of each load circuit 200 when working, the preset control voltage that the signal output system 100 needs to output when each load circuit 200 works can be determined; then, combined with the actual structure of the charge pump module 120, the corresponding relationship between the preset control voltage and the clock signal of the preset frequency is set in advance, that is, when the clock signal of the preset frequency is input to the charge pump module 120, the charge pump module 120 will output the preset control voltage corresponding thereto; finally, the corresponding relationship between the clock signal of the preset frequency and the preset control signal needs to be set, so that the load circuit 200 can correspond to the preset control signal, and the signal output module 110 can output the clock signal of the preset frequency corresponding thereto according to the input preset control signal. Therefore, in a specific embodiment, the preset control voltage corresponding to each load circuit 200, the clock signal of the preset frequency corresponding to each preset control voltage and the preset control signal corresponding to each load circuit 200 can be designed in advance. In this embodiment, there is a one-to-one correspondence between the load circuit 200, the preset control voltage, the clock signal of the preset frequency, and the preset control signal. The preset control voltage, the clock signal of the preset frequency, and the preset control signal corresponding to different load circuits 200 are all different for subsequent use. It should be noted that in this embodiment, the preset control voltage can be the voltage required for the normal operation of the load circuit 200, or it can be the voltage converted and then provided to the load circuit 200 for use. The specific method can be determined according to the actual situation, and this embodiment does not make specific limitations on this.

[0068] In actual use, when a load circuit 200 is working, the preset control signal corresponding to the load circuit 200 is determined, and then the preset control signal is sent to the signal output module 110. After receiving the preset control signal, the signal control module outputs a clock signal of a preset frequency corresponding to it, and sends the clock signal of the preset frequency to the charge pump module 120. The charge pump module 120 receives the clock signal of the preset frequency and outputs a corresponding preset control voltage for the load circuit 200 to work. In this embodiment, the preset control signal is input to the signal output module 110, which can be manually input or selected in the host computer. After the host computer receives the preset control signal, the preset control signal is sent to the signal output module 110, or the preset control signal is directly input or selected in the signal output module 110, or the signal output module 110 automatically selects the corresponding preset control signal according to the working load circuit 200. It can be determined according to the actual situation, and this embodiment does not specifically limit this. In this embodiment, the preset control signal can be an analog signal or a digital signal. In order to facilitate the use of the signal output system 100, it is a digital signal in most scenarios. Specifically, the preset control signal may be a binary signal composed of a plurality of bits output by the interface unit (MIPI unit).

[0069] It should be noted that, in this embodiment, the signal output module 110 can be an analog circuit assembled by components such as a crystal oscillator, a switch element, a capacitor, and a power supply according to circuit design rules. At this time, the signal output module 110 can change the input voltage of the crystal oscillator according to the specific value of the preset control signal, thereby changing the frequency of its output, and further obtaining a clock signal of a preset frequency; the signal output module 110 can also be a digital circuit connected by digital components such as a digital chip, a trigger, and a selector according to the digital circuit connection rules. For example, the signal output module 110 can be a programmable embedded processor, and common ones include a single-chip microcomputer, an FPGA (Field Programmable Gate Array, Field Programmable Logic Gate Array), etc., and a single-chip microcomputer is used as an example for explanation. The relevant program code is burned in the single-chip microcomputer. When the pin of the single-chip microcomputer receives the preset control signal, it will output a clock signal of a preset frequency. The specific structure of the signal output module 110 can be determined according to actual conditions, and this embodiment does not specifically limit this.

[0070] The charge pump module 120 in this embodiment can be an analog circuit composed of a charge pump, a power supply, a switch, etc., or it can be a ready-made charge pump product on the market. The specific method can be determined based on actual conditions, and this embodiment does not make any specific limitation on this.

[0071] The present application proposes a signal output system 100, which can be connected to multiple load circuits 200. When a certain load circuit 200 is required to work, the preset control signal corresponding to the load circuit 200 is determined according to the preset control voltage required by the load circuit 200. The signal output module 110 can output a corresponding clock signal of a preset frequency according to the preset control signal, and the charge pump module 120 can output a corresponding preset control voltage according to the clock signal of the preset frequency, and provide the preset control voltage to the load circuit 200. In the embodiment of the present application, since the preset control voltages required by the connected load circuits 200 are different, the preset control signal can be adjusted accordingly according to the load circuit 200 that is actually working, so as to flexibly adjust the clock signal of the preset frequency and the corresponding preset control voltage to meet the needs of different load circuits 200.

[0072] Figure 2 A schematic diagram of a signal output system 100 provided in one embodiment of the present application is shown in FIG. Figure 2 As shown, the signal output system 100 further includes a signal generating module 130, which is used to output a corresponding preset control signal according to a preset instruction. The preset instruction corresponds to the preset control voltage, and different preset control voltages correspond to different preset instructions.

[0073] In some embodiments, the signal output system 100 further includes a signal generating module 130, which is used to output a corresponding preset control signal according to a preset instruction. Similarly, before using the signal output system 100, the corresponding relationship between each load circuit 200 and the preset instruction can be preset, that is, the corresponding relationship between the load circuit 200, the preset instruction, the preset control voltage, the clock signal of the preset frequency and the preset control signal can be set in advance, and the preset instructions corresponding to different load circuits 200 are different, and the preset instructions corresponding to the same load circuit 200 in different working modes may also be different.

[0074] It should also be noted that in this embodiment, the preset drive signal can be generated by a signal generating module, and the preset drive signal can also correspond to a preset instruction. After receiving the preset instruction, the signal generating module generates a preset control signal corresponding to the preset instruction and a preset drive signal corresponding to the preset instruction, and provides the preset control signal to the signal output module and provides the preset drive signal to the drive module.

[0075] When a load circuit 200 is working, according to the corresponding relationship between the load circuit 200 and the preset instruction, the preset instruction corresponding to the load circuit 200 is input to the signal generation module 130. After receiving the preset instruction, the signal generation module 130 outputs the preset control signal corresponding to the load circuit 200. The signal output module 110 performs the same process as above according to the preset control signal. For details, please refer to the above embodiment, which will not be repeated in this embodiment. In this embodiment, the signal generation module 130 can be an analog circuit assembled by components such as switching elements, capacitors, resistors, comparators, power supplies, etc. according to circuit design rules, or a digital circuit connected by digital components such as selectors, controllers, triggers, etc. according to digital circuit connection rules. It can be determined according to actual conditions, and this embodiment does not make specific restrictions on this. In this embodiment, the preset instruction and the preset control signal can be the same or different. In this embodiment, the preset instruction is input to the signal generation module 130, which can be specifically sent to the signal generation module 130 by using the host computer, or it can be sent directly to the signal generation module 130. It can be determined according to actual conditions, and this embodiment does not make specific restrictions on this.

[0076] In this embodiment, the signal generating module 130 can be a single-chip microcomputer, an FPGA, a decoder, etc. Taking a single-chip microcomputer as an example, when the first load circuit 200 is working, the preset instruction is 1, and the preset instruction 1 is input to the single-chip microcomputer. The single-chip microcomputer decodes the preset instruction according to the pre-burned program to obtain the preset control signal 01. When the second load circuit 200 is working, the preset instruction is 2, and the preset instruction 2 is input to the single-chip microcomputer. The single-chip microcomputer decodes the preset instruction to obtain the preset control signal 10, and so on.

[0077] Figure 3 A structural diagram of a signal output system 100 provided in another embodiment of the present application is shown as follows: Figure 3 As shown, the signal output system 100 further includes a driving module 140, and the charge pump module 120 is connected to a plurality of load circuits 200 through the driving module 140;

[0078] The driving module 140 is used to output a corresponding control signal to the load circuit 200 according to a preset driving signal, so as to disconnect or connect the load circuit 200 .

[0079] The signal output system 100 further includes a driving module 140 , through which the charge pump module 120 is connected to a plurality of load circuits 200 . The driving module 140 outputs corresponding control signals to the load circuits 200 according to a preset driving signal to turn on or off the load circuits 200 .

[0080] In the specific implementation process, the preset drive signal includes a plurality of bits, so that each bit can control a load circuit 200 respectively, and each bit in the preset drive signal is used to control the opening or closing of the corresponding load circuit 200. For example, when the second load circuit 200 needs to work, the second bit in the preset drive signal is set to 1, 1 represents the conduction level, and the other bits are set to 0, 0 represents the disconnection level. For example: if the preset drive signal is a two-bit signal, the preset drive signal is 01 at this time. After the drive module 140 receives the preset drive signal (01), the second load circuit 200 is turned on and the other load circuits 200 are disconnected. In this embodiment, the drive module 140 can be an analog circuit assembled by components such as switch elements, capacitors, resistors, and power supplies according to circuit design rules, or a digital circuit connected by digital components such as selectors and triggers according to digital circuit connection rules. It can be determined according to actual conditions, and this embodiment does not make specific limitations on this.

[0081] It should be noted that, in this embodiment, disconnecting the load circuit 200 is mainly done by disconnecting a switch in the load circuit 200. For example, the switch in the load circuit 200 may be a switching switch disposed between the antenna and the amplifier, or a switch in the load circuit connected to the ground terminal.

[0082] In some embodiments, the driving module 140 is configured to convert the preset control voltage output by the charge pump module 120 based on the preset driving signal, and output a target control voltage to the load circuit 200, wherein different load circuits 200 correspond to different target control voltages.

[0083] Specifically, after receiving the preset driving signal, the driving module 140 controls the corresponding load circuit 200 to be turned on, controls other load circuits 200 to be disconnected, and converts the preset control voltage transmitted from the charge pump module 120, outputs the target control voltage, and provides the target control voltage to the corresponding load circuit 200, so that the corresponding load circuit 200 can work normally. The driving module 140 can be a channel selector and a voltage converter, a multi-way selection switch and a voltage converter, a single-chip microcomputer, an FPGA, etc. Taking the combination of a multi-way selection switch and a voltage converter as an example, the input end of the voltage converter is connected to the output end of the charge pump module 120, and the output end of the voltage converter is connected to the input end of the multi-way selection switch. Each output end of the multi-way selection switch is used to connect a load circuit 200 respectively, and the control end of the multi-way selection switch is used to receive a preset driving signal. When the multi-way selection switch receives the preset driving signal, an output end of the multi-way selection switch is internally connected to the input end, so that the output end of the voltage converter is connected to the corresponding load circuit 200. The voltage converter converts the preset control voltage to obtain a target control voltage, and provides the target control voltage to the corresponding load circuit 200, so that the load circuit 200 works normally.

[0084] In some embodiments, the load circuit 200 includes a first load circuit and a second load circuit, the preset control signal includes a first preset control signal and a second preset control signal, the preset drive signal includes a first preset drive signal and a second preset drive signal, the preset frequency clock signal includes a clock signal of a first preset frequency and a clock signal of a second preset frequency, and the preset control voltage includes a first preset control voltage and a second preset control voltage, wherein:

[0085] The signal output module 110 is configured to output a corresponding first preset frequency clock signal according to the first preset control signal, or to output a corresponding second preset frequency clock signal according to the second preset control signal.

[0086] The charge pump module 120 is configured to output the first preset control voltage according to the first preset frequency clock signal, or to output the corresponding second preset control voltage according to the second preset frequency clock signal.

[0087] The driving module 140 is used to turn on the first load circuit and disconnect the second load circuit according to the first preset control voltage and the first preset driving signal, or to turn on the second load circuit and disconnect the first load circuit according to the second preset control voltage and the second preset driving signal.

[0088] Specifically, in this embodiment, the load circuit 200 includes a first load circuit and a second load circuit, the preset control signal includes a first preset control signal and a second preset control signal, the preset drive signal includes a first preset drive signal and a second preset drive signal, the preset frequency clock signal includes a first preset frequency clock signal and a second preset frequency clock signal, and the preset control voltage includes a first preset control voltage and a second preset control voltage. The first load circuit corresponds to the first preset control voltage, the first preset control signal, the first preset frequency clock signal, and the first preset drive signal, and the second load circuit corresponds to the second preset control voltage, the second preset control signal, the second preset frequency clock signal, and the second preset drive signal.

[0089] When the first load circuit is working, the signal generating module 130 inputs the first preset control signal to the signal output module 110 and the first preset driving signal to the driving module 140 respectively. After receiving the first preset driving signal, the driving module 140 turns on the first load circuit and disconnects the second load circuit; when the signal output module 110 receives the first preset control signal, it outputs a clock signal of a first preset frequency and sends the clock signal of the first preset frequency to the charge pump module 120; after receiving the clock signal of the first preset frequency, the charge pump module 120 outputs a first preset control voltage and sends the first preset control voltage to the driving module 140; the driving module 140 converts the first preset control voltage to obtain a first target control voltage, and provides the first target control voltage to the first load circuit so that the first load circuit works normally.

[0090] In this embodiment, the first preset control signal and the first preset drive signal both correspond to the first load circuit. When the signal output system 100 is connected to two load circuits, the preset control signal can be represented by 2 bits, and the first preset drive signal can be represented by 6 bits. The specific values ​​of the first preset control signal and the first preset drive signal can be determined according to actual conditions, and the two can be combined arbitrarily. For example, the first preset control signal is 01, the first preset drive signal is 000001, and after the drive module 140 receives the first preset drive signal, it controls the first load circuit to close and controls other load circuits to disconnect; the first preset control signal can also be 10, and the first preset drive signal is 000010. After the drive module 140 receives the first preset drive signal, it controls the first load circuit to close and controls other load circuits to disconnect.

[0091] When the second load circuit is required to work, a second preset control signal is input to the signal output module 110, and a second preset drive signal is input to the drive module 140. After receiving the second preset drive signal, the drive module 140 turns on the second load circuit and disconnects the first load circuit. After receiving the second preset control signal, the signal output module 110 outputs a clock signal of a second preset frequency, and sends the clock signal of the second preset frequency to the charge pump module 120. After receiving the clock signal of the second preset frequency, the charge pump module 120 outputs a second preset control voltage, and sends the second preset control voltage to the drive module 140. The drive module 140 converts the second preset control voltage to obtain a second target control voltage, and provides the second target control voltage to the second load circuit, so that the second load circuit works normally.

[0092] Specifically, in the present embodiment, the driving module 140 includes a multi-way selection switch and a voltage converter, the input end of the voltage converter is connected to the output end of the charge pump module 120, the output end of the voltage converter is connected to the input end of the multi-way selection switch, the first output end of the multi-way selection switch is used to connect the first load circuit, the second output end of the multi-way selection switch is used to connect the second load circuit, and the control end of the multi-way selection switch is used to receive a preset driving signal. When the first load circuit is working, the charge pump module 120 outputs a first preset control voltage, the first preset control voltage is converted by the voltage converter to obtain a first target control voltage, and the input end of the multi-way selection switch is connected to the first output end, that is, the first target control voltage output by the voltage converter is provided to the first load circuit through the multi-way selection switch, so that the first load circuit works normally; when the second load circuit is working, the charge pump module 120 outputs a second preset control voltage, the second preset control voltage is converted by the voltage converter to obtain a second target control voltage, and the input end of the multi-way selection switch is connected to the second output end, that is, the second target control voltage output by the voltage converter is provided to the second load circuit through the multi-way selection switch, so that the second load circuit works normally.

[0093] In some embodiments, the preset driving signal further includes a third preset driving signal and a fourth preset driving signal, wherein:

[0094] The driving module 140 is further configured to disconnect the first load circuit and the second load circuit according to the third preset driving signal;

[0095] or,

[0096] The driving module 140 is further configured to turn on the first load circuit according to the first preset control voltage and the fourth preset driving signal, and to turn on the second load circuit according to the first preset control voltage and the fourth preset driving signal.

[0097] Specifically, the driving signal also includes a third preset driving signal and a fourth preset driving signal. When the first load circuit and the second load circuit are not working, the third preset driving signal is input to the driving module 140. After receiving the third preset driving signal, the driving module 140 directly disconnects the first load circuit and the second load circuit. When the first load circuit and the second load circuit need to work simultaneously, the first preset control signal and the second preset control signal are input to the signal output module 110, and the fourth preset driving signal is input to the driving module 140. After receiving the fourth preset driving signal, the driving module 140 turns on the first load circuit and the second load circuit; the signal output module 110 performs the same operation according to the first preset control signal and the second preset control signal, and finally the charge pump module 120 outputs the first preset control voltage and the second preset control voltage; the driving module 140 converts the first preset control voltage into the first target control voltage according to the first preset control voltage, and provides the first target control voltage to the first load circuit, so that the first load circuit can work normally; the driving module 140 converts the second preset control voltage into the second target control voltage according to the second preset control voltage, and provides the second target control voltage to the second load circuit, so that the second load circuit can work normally.

[0098] Specifically, in the present embodiment, the driving module 140 includes a multi-way selection switch and a voltage converter, the input end of the voltage converter is connected to the output end of the charge pump module 120, the output end of the voltage converter is connected to the input end of the multi-way selection switch, the first output end of the multi-way selection switch is used to connect to the first load circuit, the second output end of the multi-way selection switch is used to connect to the second load circuit, and the control end of the multi-way selection switch is used to receive a preset driving signal. When the first load circuit and the second load circuit are not working, the third preset control signal is directly input to the driving module 140. After the multi-way selection switch receives the third preset driving signal, the first output terminal and the second output terminal are disconnected from the input terminal of the multi-way selection switch, so that the first load circuit and the second load circuit are disconnected from the voltage converter, and the first load circuit and the second load circuit cannot work; when the first load circuit and the second load circuit are working at the same time, the fourth preset driving signal is directly input to the driving module 140, the first preset control signal is input to the signal output module 110, the charge pump module 120 outputs the first preset control voltage, and the voltage converter converts the first preset control voltage to obtain the first target control voltage; and after the multi-way selection switch receives the fourth preset driving signal, the input terminal is connected to the first input terminal and the second input terminal, so that the first target control voltage can be provided to the first load circuit and the second load circuit, and the first load circuit and the second load circuit can work normally.

[0099] In some embodiments, Figure 4This is a schematic diagram of an application scenario of a signal output system 100 provided in an embodiment of the present application, wherein the first load circuit is a signal transmitting circuit 210, and the second load circuit is a signal receiving circuit 220. It should be noted that in this embodiment, the driving module 140 includes a first driving module and a second driving module, which are respectively used to separately control the signal transmitting circuit 210 and the signal receiving circuit 220. The first driving module and the second driving module can be integrated into one module, or can be two independent modules.

[0100] In actual application scenarios, the signal transmitting circuit 210 and the signal receiving circuit 220 are circuits used to transmit and receive signals in the RF front-end module. The signal transmitting circuit 210 is also called the TX path, which includes a first switch S1. The signal receiving circuit 220 is also called the RX path, which includes a second switch S2. ANT represents the antenna. When the signal transmitting circuit 210 needs to transmit a radio frequency signal to the antenna, the first switch S1 is controlled to be closed, and the second switch S2 is controlled to be disconnected, and the signal transmitting circuit 210 transmits the radio frequency signal to the first antenna ANT1. When the signal receiving circuit 220 needs to receive a radio frequency signal from the antenna, the first switch S1 is controlled to be disconnected, and the second switch S2 is controlled to be closed, and the signal receiving circuit 220 receives the radio frequency signal from the second antenna ANT2. It should be noted that when the signal output system 100 is not in use, the first switch S1 and the second switch S2 are both in the disconnected state. In this embodiment, the output end of the first driving module is connected to the control end of the first switch S1, and the first switch S1 is connected to the first antenna ANT1; the output end of the second driving module is connected to the control end of the second switch S2, and the second switch S2 is connected to the second antenna ANT2.

[0101] In a specific embodiment, the signal transmitting circuit 210 transmits a relatively high-power radio frequency signal, so the signal transmitting circuit 210 requires a relatively stable target control voltage when it works normally, while the signal receiving circuit 220 requires a lower stability of the target control voltage when it works normally. In this embodiment, the preset control signal includes a first preset control signal, a second preset control signal, a third preset control signal, and a fourth preset control signal. Generally, the number of bits of the preset control signal is related to the number of load circuits 200, and all values ​​of the preset control signal can cover each load circuit 200. For example, in the case of 3 load circuits, the preset control signal requires at least 2 bits to represent, which are 00, 01, 10, and 11 respectively. In the case of 8 load circuits, the preset control signal requires at least 3 bits to represent, which are 000, 001, 010, 011, 100, 101, 110, and 111 respectively. The preset driving signal includes a first preset driving signal, a second preset driving signal, a third preset driving signal and a fourth preset driving signal, wherein the first preset driving signal is 01, the second preset driving signal is 10, the third preset driving signal is 00, and the fourth preset driving signal is 11. The signal transmitting circuit 210 corresponds to the first preset control signal, and in order to meet the working requirements of the signal transmitting circuit 210 and the signal receiving circuit 220, the clock signal of the preset frequency corresponding to the first preset control signal is a clock signal of a higher frequency, and the clock signal of the preset frequency corresponding to the second preset control signal is a clock signal of a lower frequency, and the specific values ​​of the higher frequency and the lower frequency here can be determined according to the actual situation, and this embodiment does not specifically limit this.

[0102] When it is necessary to transmit a signal, the signal generating module sends a first preset control signal (bit) to the signal output module 110, and sends a first preset drive signal 01 (bit) to the first drive module 1. After receiving the first preset control signal, the signal output module 110 outputs a clock signal of a higher frequency (for example, 10M), and after receiving the clock signal of the higher frequency (for example, 10M), the charge pump module 120 outputs a relatively stable first preset control voltage, and sends the relatively stable first preset control voltage to the first drive module 1. After receiving the first preset control voltage, the first drive module converts the first preset control voltage into a relatively stable first target control voltage. Based on the received relatively stable first preset control voltage and the first preset drive signal 01 (bit), the first drive module 1 outputs a relatively stable first target control voltage and the first preset drive signal 01 and sends them to the control end of the first switch S1. The first switch S1 is switched to a closed state under the control of the first preset drive signal 01, so that the signal transmitting circuit 210 is turned on. After receiving the relatively stable first target control voltage, the signal transmitting circuit 210 can work normally and transmit signals through the first antenna ANT1.

[0103] When it is necessary to receive a signal, the signal generating module sends a second preset control signal (bit) to the signal output module 110, and sends a second preset drive signal 10 (bit) to the second drive module 1. After receiving the second preset control signal, the signal output module 110 outputs a low-frequency (e.g., 2.5M) clock signal. After receiving the low-frequency (e.g., 2.5M) clock signal, the charge pump module 120 outputs a second preset control voltage with a less stable stability, and sends the second preset control voltage to the second drive module. After receiving the second preset control voltage, the second drive module converts the second preset control voltage into a less stable second target control voltage. Based on the received relatively unstable first preset control voltage and the second preset drive signal 10 (bit), the second drive module 2 outputs a relatively unstable second target control voltage and a second preset drive signal 10 to the control end of the second switch S2. The first switch S2 is switched to a closed state under the control of the second preset drive signal 10, thereby turning on the signal receiving circuit 210. Under the effect of the second target control voltage, the signal receiving circuit 220 can work normally and receive the radio frequency signal from the second antenna ANT2.

[0104] When the entire load circuit 200 needs to be inspected, maintained, or the like, it is necessary to shut down the signal transmitting circuit 210 and the signal receiving circuit 220 at the same time. At this time, the third preset driving signal 00 is input to both the first driving module and the second driving module. After the first driving module receives the third preset driving signal 00, the first switch S1 is disconnected. After the second driving module receives the third preset driving signal 00, the second switch S2 is disconnected.

[0105] When it is necessary to transmit a signal while receiving a signal, the signal transmitting circuit 210 and the signal receiving circuit 220 need to work simultaneously. At this time, the fourth preset driving signal 11 is input to the first driving module and the second driving module at the same time, and the third preset control signal is input to the signal output module 110. After the first driving module receives the first preset driving signal, the first driving module controls the first switch S1 to be closed. After the second driving module receives the fourth preset driving signal, the second driving module controls the second switch S2 to be closed. After receiving the third preset control signal, the signal output module 110 outputs a clock signal with a higher frequency. After receiving the clock signal with a higher frequency, the charge pump module 120 outputs a relatively stable third preset control voltage and sends the third preset control voltage to the first driving module and the second driving module. The first driving module converts the third working voltage into a first target control voltage that meets the normal working requirements of the signal transmitting circuit 210, so that the signal transmitting circuit 210 can transmit a signal through the first antenna ANT1. The second driving module converts the third working voltage into a second target control voltage that meets the normal working requirements of the signal receiving circuit 220, so that the signal receiving circuit 220 can receive a signal through the second antenna ANT2.

[0106] In some other embodiments, the preset control signal is a binary signal, the preset control signal includes N bits, and the number of the load circuits 200 is less than or equal to N. 2 , the load circuit 200 corresponds to at least one value of the preset control signal, and N is a positive integer.

[0107] In some other embodiments, the preset control signal is a binary signal, the preset control signal includes N bits, and the number of load circuits 200 is less than or equal to N. 2 , the corresponding load circuit 200 is controlled by the bit value in the preset control signal. When N=3, the preset control signal includes 3 bits, and the number of load circuits 200 that can be controlled is at most 9, and each preset control signal with different values ​​corresponds to a load circuit 200. When N=4, the preset control signal includes 4 bits, and the number of load circuits 200 that can be controlled is at most 16, and each preset control signal with different values ​​corresponds to a load circuit 200. The number of bits in the specific preset control signal can be determined according to actual conditions, and this embodiment does not make specific restrictions on this. A load circuit can also correspond to multiple preset control signals with different values, and the corresponding preset control signals of the load circuit in different working modes can be different.

[0108] For example, when there are three load circuits 200, the preset control signal includes at least two bits, so that the preset control signal has at least four values, which can cover the working conditions of each load circuit 200. The preset control signal can take values ​​of 00, 01, 10 and 11, wherein the bit 0 in the preset control signal indicates disconnection and 1 indicates closing. When the preset control signal takes a value of 00, all load circuits 200 are disconnected. When the preset control signal takes a value of 01, the first load circuit 200 is closed and the other load circuits 200 are disconnected. When the preset control signal is 10, the second load circuit 200 is closed and the other load circuits 200 are disconnected. When the preset control signal is 11, the third load circuit 200 is closed and the other load circuits 200 are disconnected.

[0109] In some embodiments, the preset control signal is a binary signal, the signal output module 110 includes a control unit 111 and an oscillating unit 112, and the oscillating unit 112 includes a plurality of inverters 1121, wherein:

[0110] The control unit 111 is used to obtain the corresponding preset frequency control instruction according to the preset control signal, and select the target inverter 1121 from the oscillation unit 112 according to the bit of the preset frequency control instruction. The preset frequency control instruction is a binary signal, and the number of bits in the preset frequency control instruction is the same as the number of inverters 1121 in the oscillation unit 112.

[0111] The oscillation unit 112 is used to control the target inverter 1121 to work and control other inverters 1121 not to work, so as to output the clock signal of the preset frequency.

[0112] Figure 5 Schematic diagram of the structure of a signal output module 110 provided in an embodiment of the present application, such as Figure 5 As shown, the signal output module 110 includes a control unit 111 and an oscillator 112. Since a ring oscillator is usually used to generate a clock frequency in a radio frequency system, and the ring oscillator is generally composed of a plurality of inverters 1121 chains, the oscillator 112 includes a plurality of inverters 1121. The oscillator 112 outputs a clock signal of a preset frequency, and the calculation formula of the preset frequency is as follows:

[0113]

[0114] T D =R*C,

[0115] Among them, f OSC represents the preset frequency, N represents the number of target inverters 1121, T Drepresents the delay of the target inverter 1121, R represents the equivalent resistance of the target inverter 1121, and C represents the equivalent capacitance of the target inverter 1121. As can be seen from the formula, the frequency of the output clock signal can be adjusted by adjusting the number of target inverters 1121.

[0116] In this embodiment, the control unit 111 obtains a corresponding preset frequency control instruction according to the preset control signal, and the bits in the preset frequency control instruction are used to control the working state of the inverter 1121 in the oscillation unit 112. For example, the number of bits included in the preset frequency control instruction is the same as the number of inverters 1121, and each bit corresponds to an inverter 1121. The working state of the corresponding inverter 1121 can be controlled according to the specific value of the bit, so that the working state of each inverter 1121 can be adjusted by adjusting the value of the preset frequency control instruction, thereby adjusting the frequency of the output clock signal.

[0117] Specifically, each bit of the preset frequency control instruction corresponds to an inverter 1121;

[0118] The control unit 111 is used for, according to the Mth bit in the preset frequency control instruction, if it is determined that the Mth bit is 1, then the Mth inverter 1121 in the oscillation unit 112 is used as the target inverter 1121; if it is determined that the Mth bit is 0, then the Mth inverter 1121 in the oscillation unit 112 is used as the other inverter 1121;

[0119] The oscillation unit 112 is used to conduct the path from the target inverter 1121 to the output end of the oscillation unit 112 and disconnect the path from other inverters 1121 to the output end of the oscillation unit 112 to output the preset control voltage at the output end of the oscillation unit 112 .

[0120] In this embodiment, M is a positive integer, and the value of M can be 2, 3, 4, 5, etc., which can be determined according to actual conditions, and the embodiment of the present application does not specifically limit this. For example, when there are 4 inverters 1121, the preset frequency control instruction is 1010, and the values ​​of the first bit and the third bit in the preset frequency control instruction are 1, and the values ​​of the second bit and the fourth bit are 0, and 1 represents the working state, and 0 represents the disconnected state. The control unit 111 uses the first inverter 1121 and the third inverter 1121 as the target inverter 1121, and uses the second inverter 1121 and the fourth inverter 1121 as other inverters 1121 according to the first bit and the third bit in the preset frequency control instruction. When the oscillation unit 112 is working, the target inverter 1121 works, and the other inverters 1121 do not work, so that a clock signal of the corresponding frequency can be output.

[0121] In some embodiments, the signal generating module 130 includes an interface unit 131 and a decoding unit 132, wherein:

[0122] The interface unit 131 is used to receive the preset instruction;

[0123] The decoding unit 132 is used to decode according to the preset instruction to obtain the preset control signal.

[0124] Figure 6 Schematic diagram of the structure of a signal generating module 130 provided in an embodiment of the present application, such as Figure 6 As shown, the signal generating module 130 includes an interface unit 131 and a decoding unit 132, wherein the interface unit 131 is used to receive a preset instruction, and the decoding unit 132 is used to decode the preset instruction to obtain a preset control signal. The interface unit 131 can be a USB interface, a serial port, or other ports with a receiving function, which can be determined according to actual conditions, and the embodiments of the present application do not specifically limit this. The decoding unit 132 can be any component with a decoding or decoding function, which can be determined according to actual conditions.

[0125] In this embodiment, the interface unit 131 is a MIPI (Mobile Industry Processor Interface), and the decoding unit 132 is a decoder.

[0126] In some embodiments, the power supply terminal of the signal generating module 130 , the power supply terminal of the signal output module 110 , and the power supply terminal of the charge pump module 120 are all used to connect to a target power supply signal.

[0127] Specifically, the power supply ends of the signal generating module 130 , the signal output module 110 , and the charge pump module 120 are directly connected to the target power supply signal, and the signal generating module 130 , the signal output module 110 , and the charge pump module 120 are powered by the target power supply signal.

[0128] In some other embodiments, a voltage stabilizing module is further included, the input end of the voltage stabilizing module is used to connect to the initial power supply signal, and the output end of the voltage stabilizing power supply is respectively connected to the power supply end of the signal generating module 130, the power supply end of the signal output module 110, and the power supply end of the charge pump module 120, wherein:

[0129] The voltage stabilization module is used to stabilize the initial power signal and output a target power signal.

[0130] Specifically, one end of the voltage stabilizing module is connected to the initial power signal, and the voltage stabilizing module stabilizes the initial power signal to obtain the target power signal. The other end of the voltage stabilizing module is connected to the power supply end of the signal generating module 130, the signal output module 110, and the charge pump module 120, and can provide a relatively stable power supply for the signal generating module 130, the signal output module 110, and the charge pump module 120 for their normal operation. It should be noted that the voltage stabilizing module can be an analog circuit composed of electronic components, or it can be a voltage stabilizing product formed on the market, which can be determined according to actual conditions.

[0131] Specifically, the voltage stabilizing module in this embodiment includes a low voltage dropout linear regulator.

[0132] In this embodiment, the voltage stabilizing module is a low voltage dropout linear regulator.

[0133] Figure 7 1 is a circuit diagram of a signal output system 100 provided in an embodiment of the present application, such as Figure 7 As shown, in this embodiment, the voltage stabilizing module is a low voltage difference linear regulator, the signal output module 110 is an oscillator (OSC for short), the charge pump module 120 is a charge pump (CP for short), and the driving module 140 includes a first driver and a second driver. The first driver and the second driver are both driving products on the market, and their models can be determined according to actual conditions; the interface unit 131 is MIPI, and the decoding unit 132 is a decoder. After the interface unit 131 receives the preset instruction, the decoding unit 132 decodes according to the preset instruction to obtain a preset control signal, and then sends the preset control signal as a preset driving signal to the first driver and the second driver. In this embodiment, the preset driving signal and the preset control signal are the same. The load circuit 200 includes a signal transmitting circuit 210 and a signal receiving circuit 220. When the first switch S1 is closed, the signal transmitting function is executed, and the signal is transmitted through the first antenna ANT1. When the second switch S2 is closed, the signal receiving function is executed, and the signal is received through the second antenna ANT2.

[0134] In this embodiment, the preset instructions are 0, 1, 2, 3, the preset control signals are 00, 01, 10, 11, and the preset drive signals are also 00, 01, 10, 11. When the load circuit 200 needs to be turned off, a preset instruction 0 is sent to MIPI. After receiving 0, MIPI transmits it to the decoder. The decoder decodes 0 to obtain a preset control signal 00, that is, the preset drive signal is also 00. The preset drive signal 00 is sent to the first driver and the second driver. After receiving 00, the first driver disconnects the first switch S1, and after receiving 00, the second driver disconnects the second switch S2, thereby turning off the signal transmitting circuit 210 and the signal receiving circuit 220.

[0135] When it is necessary to transmit a signal, a preset instruction 1 is sent to MIPI. After receiving the preset instruction 1, MIPI transmits it to the decoder. The decoder decodes 1 to obtain a preset control signal 01, that is, the preset drive signal is also 01, and sends the preset drive signal to the first driver and the second driver. The first driver closes the first switch S1 according to 01, and the second driver disconnects the second switch S2 according to 01. At the same time, the preset control signal is sent to the oscillator, and the oscillator finds the corresponding preset frequency control instruction according to 01, outputs a clock signal with a higher preset frequency according to the preset frequency control instruction, and sends the clock signal with a higher preset frequency to the charge pump; after receiving the clock signal with a higher preset frequency, the charge pump outputs a relatively stable first preset control voltage, and transmits the relatively stable first preset control voltage to the first driver. The first driver converts the relatively stable first preset control voltage to obtain a relatively stable first target control voltage, and provides the relatively stable first target control voltage to the first antenna ANT1, and sends the signal through the first antenna ANT1.

[0136] When it is necessary to receive a signal, a preset instruction 2 is sent to MIPI. After receiving 2, MIPI transmits it to the decoder. The decoder decodes 2 to obtain a preset control signal 10, that is, the preset drive signal is also 10, and sends the preset drive signal to the first driver and the second driver. The first driver disconnects the first switch S1 according to 10, and the second driver closes the second switch S2 according to 10. At the same time, the preset control signal is also sent to the oscillator, and the oscillator finds the corresponding preset frequency control instruction according to 10, outputs a clock signal with a low preset frequency according to the preset frequency control instruction, and sends the clock signal with a low preset frequency to the charge pump; after receiving the clock signal with a low preset frequency, the charge pump outputs a second preset control voltage that is not so stable, and transmits the second preset control voltage to the second driver. The second driver converts the second preset control voltage to obtain a second target control voltage, and provides the second target control voltage to the second antenna ANT2, and sends the signal through the second antenna ANT2. In comparison, when receiving a signal, the stability of the required voltage is not very high. By adaptively adjusting the output of the signal output system 100, the system power consumption can be reduced.

[0137] When it is necessary to transmit and receive signals at the same time, a preset instruction 3 is sent to MIPI. After receiving 3, MIPI transmits it to the decoder. The decoder decodes 3 to obtain a preset control signal 11, that is, the preset drive signal is also 11, and sends the preset drive signal to the first driver and the second driver. The first driver closes the first switch S1 according to 11, and the second driver closes the second switch S2 according to 11. At the same time, a preset control signal is also sent to the oscillator, and the oscillator finds the corresponding preset frequency control instruction according to 11, outputs a clock signal of a higher preset frequency according to the preset frequency control instruction, and sends the clock signal of the higher preset frequency to the charge pump; after receiving the clock signal of the higher preset frequency, the charge pump outputs a relatively stable first preset control voltage, and transmits the relatively stable first preset control voltage to the first driver and the second driver, the first driver converts the relatively stable first preset control voltage to obtain a relatively stable first target control voltage, and provides the relatively stable first target control voltage to the first antenna ANT1, and sends the signal through the first antenna ANT1; the second driver converts the relatively stable first preset control voltage to obtain a relatively stable third target control voltage. Since the signal receiving circuit 220 does not have high requirements on voltage stability, when a relatively stable third target control voltage is provided to the signal receiving circuit 220, the signal receiving circuit 220 can still work normally, and provides the relatively stable third control voltage to the second antenna ANT2, and receives the signal through the second antenna ANT2.

[0138] The embodiment of the present application further provides an electronic device 300, Figure 8 Schematic diagram of the structure of the electronic device 300 in the embodiment of the present application. Figure 8 As shown, the electronic device 300 includes a device body. Among them, the electronic device 300 can be but is not limited to a weight scale, a body fat scale, a nutrition scale, an infrared electronic thermometer, a pulse oximeter, a human body composition analyzer, a mobile power supply, a wireless charger, a fast charging charger, a car charger, an adapter, a display, a USB (Universal Serial Bus) docking station, a stylus, a true wireless headset, a car center console, a car, a smart wearable device, a mobile terminal, and a smart home device. Smart wearable devices include but are not limited to smart watches, smart bracelets, cervical massagers, and TWS (True WirelessStereo) headsets. Mobile terminals include but are not limited to smart phones, laptops, tablets, and POS (point of sales terminal). Smart home devices include but are not limited to smart sockets, smart rice cookers, smart sweepers, and smart lights.

[0139] Each module in the above signal output system can be implemented in whole or in part by software, hardware, or a combination thereof. Each module can be embedded in or independent of a processor in a computer device in the form of hardware, or can be stored in a memory in a computer device in the form of software, so that the processor can call and execute operations corresponding to each module.

[0140] Those skilled in the art can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional units and modules is used as an example. In actual applications, the above-mentioned functions can be distributed and completed by different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above.

[0141] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. A signal output system, characterized in that: It includes a signal output module and a charge pump module, wherein: The signal output module is used to output a clock signal of a preset frequency corresponding to a preset control signal, wherein the preset control signal corresponds to a load circuit, and different load circuits correspond to different preset control signals; The charge pump module is used to output a corresponding preset control voltage according to the clock signal of the preset frequency, so as to provide the preset control voltage to the corresponding load circuit, wherein the preset control voltage corresponds to the load circuit, and different load circuits correspond to different preset control voltages; It also includes a driving module, and the charge pump module is connected to a plurality of load circuits through the driving module; The driving module is used to output a corresponding control signal to the load circuit according to a preset driving signal, so as to disconnect or connect the load circuit; The signal output module includes a control unit and an oscillation unit, the oscillation unit includes a plurality of inverters, the control unit obtains a corresponding preset frequency control instruction according to a preset control signal, and the bits in the preset frequency control instruction are used to control the working state of the inverter in the oscillation unit.

2. The signal output system according to claim 1, characterized in that: Also includes: The signal generating module is used to output a corresponding preset control signal according to a preset instruction, wherein the preset instruction corresponds to the preset control voltage, and different preset control voltages correspond to different preset instructions.

3. The signal output system according to claim 1, characterized in that: The driving module is configured to convert the preset control voltage output by the charge pump module based on the preset driving signal, and output a target control voltage to the load circuit, wherein different load circuits correspond to different target control voltages.

4. The signal output system according to claim 1, characterized in that: The load circuit includes a first load circuit and a second load circuit, the preset control signal includes a first preset control signal and a second preset control signal, the preset drive signal includes a first preset drive signal and a second preset drive signal, the preset frequency clock signal includes a first preset frequency clock signal and a second preset frequency clock signal, the preset control voltage includes a first preset control voltage and a second preset control voltage, wherein: The signal output module is configured to output a clock signal of a first preset frequency corresponding to the first preset control signal, or to output a clock signal of a second preset frequency corresponding to the second preset control signal; The charge pump module is configured to output the first preset control voltage according to the clock signal of the first preset frequency, or to output the corresponding second preset control voltage according to the clock signal of the second preset frequency; The driving module is used to turn on the first load circuit and disconnect the second load circuit according to the first preset control voltage and the first preset driving signal, or to turn on the second load circuit and disconnect the first load circuit according to the second preset control voltage and the second preset driving signal.

5. The signal output system according to claim 4, characterized in that: The preset driving signal further includes a third preset driving signal and a fourth preset driving signal, wherein: The driving module is further used to disconnect the first load circuit and the second load circuit according to the third preset driving signal; or, The driving module is further configured to turn on the first load circuit according to the first preset control voltage and the fourth preset driving signal, and to turn on the second load circuit according to the second preset control voltage and the fourth preset driving signal.

6. The signal output system according to claim 4, characterized in that: The first load circuit is a signal transmitting circuit, and the second load circuit is a signal receiving circuit.

7. The signal output system according to claim 1, characterized in that: The preset control signal is a binary signal, the preset control signal includes N bits, and the number of the load circuits is less than or equal to N. 2 , the load circuit corresponds to at least one value of the preset control signal, and N is a positive integer.

8. The signal output system according to claim 1, characterized in that: The preset control signal is a binary signal, wherein: The control unit is used to obtain a corresponding preset frequency control instruction according to the preset control signal, and select a target inverter from the oscillation unit according to the bit of the preset frequency control instruction, wherein the preset frequency control instruction is a binary signal, and the number of bits in the preset frequency control instruction is the same as the number of inverters in the oscillation unit; The oscillation unit is used to control the target inverter to work and control other inverters not to work, so as to output the clock signal of the preset frequency.

9. The signal output system according to claim 1, characterized in that: Each bit of the preset frequency control instruction corresponds to an inverter; The control unit is used for, according to the Mth bit in the preset frequency control instruction, if it is determined that the Mth bit is 1, then the Mth inverter in the oscillation unit is used as the target inverter; if it is determined that the Mth bit is 0, then the Mth inverter in the oscillation unit is used as the other inverter; The oscillation unit is used to conduct the path from the target inverter to the output end of the oscillation unit, and disconnect the path from other inverters to the output end of the oscillation unit, so as to output the preset control voltage at the output end of the oscillation unit.

10. The signal output system according to claim 2, characterized in that: The signal generation module includes an interface unit and a decoding unit, wherein: The interface unit is used to receive the preset instruction; The decoding unit is used to perform decoding according to the preset instruction to obtain the preset control signal.

11. The signal output system according to claim 10, characterized in that: The interface unit includes MIPI (Mobile Industry Processor Interface), and the decoding unit includes a decoder.

12. The signal output system according to any one of claims 1 to 11, characterized in that: The power supply end of the signal generating module, the power supply end of the signal output module, and the power supply end of the charge pump module are all used to connect with the target power supply signal.

13. The signal output system according to any one of claims 1 to 11, characterized in that: It also includes a voltage stabilizing module, the input end of the voltage stabilizing module is used to connect with the initial power supply signal, and the output end of the voltage stabilizing module is respectively connected with the power supply end of the signal generating module, the power supply end of the signal output module, and the power supply end of the charge pump module, wherein: The voltage stabilization module is used to stabilize the initial power signal and output a target power signal.

14. The signal output system according to claim 13, characterized in that: The voltage stabilizing module includes a low voltage dropout linear regulator.

15. An electronic device, characterized in that: Comprising the signal output system as claimed in any one of claims 1 to 14.

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