A GaAs logic circuit and chip
By introducing a buffer module and a switch control module into the GaAs logic circuit, the input voltage of the enable signal is reduced, which solves the problem of false triggering caused by the low turn-on voltage of the GaAs logic circuit and achieves the stability of the output voltage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- GUANGXI XINBAITE MICROELECTRONICS CO LTD
- Filing Date
- 2022-11-30
- Publication Date
- 2026-07-31
AI Technical Summary
The turn-on voltage of existing GaAs logic circuits is too low, which makes the switching transistors prone to false triggering and the output voltage unstable.
A GaAs logic circuit was designed, including a power supply module, a switch module, a switch control module, a buffer module, and an output control module. The buffer module reduces the voltage of the enable signal input, and the combination of the switch control module and the buffer module reduces false triggering and stabilizes the output voltage.
This effectively reduces the probability of false triggering of the switching transistor and ensures the stability of the output voltage.
Smart Images
Figure CN115912873B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of radio frequency circuits, and more specifically, to a GaAs logic circuit and chip. Background Technology
[0002] Currently, GaAs (gallium arsenide) circuits are mainly used in radio frequency (RF) circuit design. Implementing logic circuits within GaAs circuits effectively reduces the number of dies, thus lowering the cost of RF chips. Basic logic circuits based on GaAs include... Figure 1 As shown, the positive (+) terminal of the external DC power supply has a voltage of 3 to 5 volts. Applying a voltage greater than 0.2V (generally not exceeding the voltage of the voltage source) to port P1 or port P2 will turn on switching transistors Q1 or Q3, while switching transistors Q2 or Q4 will turn off, generating an output voltage of approximately 3 to 5 volts at port P3 or port P4. However, the turn-on voltage of this basic GaAs logic circuit is too low, making it easy for switching transistors Q1 or Q3 to be falsely triggered, resulting in unstable actual output voltages at ports P3 and P4. Summary of the Invention
[0003] The technical problem to be solved by the present invention is to provide a GaAs logic circuit and chip that addresses the above-mentioned deficiencies of the prior art.
[0004] The technical solution adopted by the present invention to solve its technical problem is: to propose a GaAs logic circuit, including: a power supply module, a switching module, a switching control module, a buffer module and an output control module;
[0005] The input terminal of the switch control module is connected to the power module, the output terminal of the switch control module is connected to the switch module, the control terminal of the switch control module receives an enable signal, and outputs a control signal to the switch module according to the enable signal to control the switch module to turn on or off.
[0006] The input terminal of the switch module is connected to the power supply module, and the output terminal of the switch module is connected to the input terminal of the output control module. The switch module controls the power supply module to provide power to the output control module.
[0007] The input terminal of the buffer module is connected to the enable signal, and the output terminal of the buffer module is connected to the output control module, and outputs an output control signal to control the output control module to output a control voltage.
[0008] In some embodiments, the enable signal includes: a first enable signal and a second enable signal, and the buffer module includes: a first buffer circuit and a second buffer circuit;
[0009] The first buffer circuit includes: at least one transistor Q19, the gate of the transistor Q19 is connected to a first enable signal, and the source and drain of the transistor Q19 are shorted and connected to the output control module;
[0010] The second buffer circuit includes: at least one transistor Q21, the gate of the transistor Q21 is connected to a second enable signal, and the source and drain of the transistor Q19 are shorted and connected to the output control module.
[0011] In some embodiments, the first buffer circuit further includes: transistor Q20, resistor R18, and resistor R19; the second buffer circuit further includes: transistor Q22, resistor R20, and resistor R21.
[0012] The source and drain of transistor Q19 are shorted and then connected to the gate of transistor Q20. The source and drain of transistor Q20 are shorted and then connected to the first end of resistor R18 and resistor R19. The second end of resistor R18 is connected to the output control module, and the second end of resistor R19 is grounded.
[0013] The source and drain of transistor Q21 are shorted and then connected to the gate of transistor Q22. The source and drain of transistor Q22 are shorted and then connected to the first end of resistor R20 and resistor R21. The second end of resistor R20 is connected to the output control module, and the second end of resistor R21 is grounded.
[0014] In some embodiments, the output control module includes: switch Q14, switch Q17, switch Q18, switch Q23, resistor R16, resistor R17, resistor R22, and resistor R23.
[0015] The control voltage includes: a first control voltage and a second control voltage;
[0016] The first ends of resistors R17, R16, R22, and R23 are connected to the output terminal of the switching module. The second end of resistor R17 is connected to the second end of switching transistor Q14 and the first end of switching transistor Q18. The first end of switching transistor Q14 is connected to the second end of resistor R18. The third end of switching transistor Q14 is grounded. The second end of switching transistor Q18 is connected to the second end of resistor R16 and outputs the first control voltage. The third end of switching transistor Q18 is grounded.
[0017] The second end of the resistor R22 is connected to the second end of the switch Q23 and the first end of the switch Q17. The first end of the switch Q23 is connected to the second end of the resistor R20. The third end of the switch Q23 is grounded. The second end of the switch Q17 is connected to the second end of the resistor R23 and outputs the second control voltage. The third end of the switch Q17 is grounded.
[0018] In some embodiments, the switch control module includes: switch Q11, switch Q12, switch Q15, switch Q16, resistor R11, resistor R12, resistor R13, resistor R14, and resistor R15.
[0019] The first terminal of the switch Q11 is connected to the first enable signal, the third terminal of the switch Q11 is grounded, and the second terminal of the switch Q11 is connected to the power module after being connected in series with the resistor R8.
[0020] The first terminal of the switch Q12 is connected to the second enable signal, the third terminal of the switch Q12 is grounded, and the second terminal of the switch Q12 is connected to the power module after being connected in series with the resistor R11.
[0021] The second terminal of the switching transistor Q15 is connected in series with the resistor R11 and then connected to the power module. The second terminal of the switching transistor Q15 is also connected to the switching module. The first terminal of the switching transistor Q15 is connected to the second terminal of the switching transistor Q12. The third terminal of the switching transistor Q15 is connected to the second terminal of the switching transistor Q16. The first terminal of the switching transistor Q16 is connected to the second terminal of the switching transistor Q11. The third terminal of the switching transistor Q16 is grounded.
[0022] In some embodiments, the power module includes: a power supply DC1 and a resistor R12;
[0023] The negative terminal of the power supply DC1 is grounded, and the positive terminal of the power supply DC1 is connected to the switch control module and the switch module after being connected in series with resistor R12.
[0024] In some embodiments, the switching module includes: a switching transistor Q13;
[0025] The first end of the switching transistor Q13 is connected to the second end of the switching transistor Q15, the second end of the switching transistor Q13 is connected to the power supply module, and the third end of the switching transistor Q13 is connected to the output control module.
[0026] In some embodiments, it further includes: a voltage regulator module;
[0027] The input terminal of the voltage regulator module is connected to the output terminal of the switching module, and the output terminal of the voltage regulator module is connected to the input terminal of the output control module. The voltage regulator module provides a stable voltage to the output control module.
[0028] In some embodiments, the voltage regulator module includes: transistor Q24, transistor Q25, transistor Q26, transistor Q27, resistor R25, resistor R26, resistor R27, resistor R28, resistor R29, resistor R30, diode D11, diode D12, polarized capacitor C11, polarized capacitor C12, and polarized capacitor C13.
[0029] The first end of resistor R25, the second end of switch Q24, the second end of switch Q25, the first end of resistor R28, and the second end of switch Q27 are connected to the third end of switch Q13. The second end of resistor R25 is connected to the anode of diode D11 and the first end of switch Q24. The cathode of diode D11 is grounded.
[0030] The third terminal of the switching transistor Q24 is connected to the first terminal of the resistor R26 and the first terminal of the switching transistor Q25, the second terminal of the resistor R26 is connected to the anode of the diode D12, and the cathode of the diode D12 is grounded.
[0031] The third terminal of the switching transistor Q25 is connected in series with the resistor R27 and then grounded. The third terminal of the switching transistor Q25 is also connected to the third terminal of the switching transistor Q26.
[0032] The second terminal of the switching transistor Q26 is connected to the second terminal of the resistor R28, the first terminal of the switching transistor Q27, and the positive terminal of the polarized capacitor C11. The negative terminal of the polarized capacitor C11 is connected to the first terminal of the resistor R29. The second terminal of the resistor R29 is connected to the first terminal of the switching transistor Q26, the negative terminal of the polarized capacitor C12, and the first terminal of the resistor R30. The second terminal of the resistor R30 is grounded.
[0033] The negative terminal of the polarized capacitor C11 is connected to the third terminal of the switching transistor Q27, the positive terminal of the polarized capacitor C12, and the positive terminal of the polarized capacitor C13. The negative terminal of the polarized capacitor C13 is grounded. The third terminal of the switching transistor Q27 is connected to the output control module.
[0034] The present invention also provides a chip comprising the GaAs logic circuit described above.
[0035] The GaAs logic circuit implementing the present invention has the following beneficial effects: the buffer module reduces the voltage of the enable signal input, making the output control module less likely to be falsely triggered by low voltage, thereby ensuring the stability of the output voltage. Attached Figure Description
[0036] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings:
[0037] Figure 1 This is a circuit diagram of the background technology of this invention;
[0038] Figure 2 This is a schematic diagram of a first embodiment of the GaAs logic circuit of the present invention;
[0039] Figure 3 This is a schematic diagram of a second embodiment of the GaAs logic circuit of the present invention;
[0040] Figure 4 This is a circuit diagram of the GaAs logic circuit of the present invention;
[0041] Figure 5 This is a circuit diagram of the voltage regulator module of the GaAs logic circuit of the present invention. Detailed Implementation
[0042] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0043] like Figure 2 As shown, the GaAs logic circuit of the present invention includes: a power supply module 200, a switch module 300, a switch control module 100, a buffer module 600, and an output control module 500. The input terminal of the switch control module 100 is connected to the power supply module 200, the output terminal of the switch control module 100 is connected to the switch module 300, and the control terminal of the switch control module 100 receives an enable signal. Based on the enable signal, the switch control module 100 outputs a control signal to the switch module 300 to control the switch module 300 to turn on or off.
[0044] The input terminal of the switch module 300 is connected to the power supply module 200, and the output terminal of the switch module 300 is connected to the input terminal of the output control module 500. The switch module 300 controls the power supply module 200 to provide power to the output control module 500.
[0045] An enable signal is connected to the input terminal of the buffer module 600, and the output terminal of the buffer module 600 is connected to the output control module 500, and outputs an enable voltage to control the output control module 500 to output a control voltage.
[0046] Specifically, the switch control module 100 outputs a control signal according to the enable signal, and the switch module 300 turns on or off according to the received control signal. When the switch module 300 is on, the power supply module 200 provides input power to the output control module 500; when the switch module 300 is off, the output control module 500 has no power input.
[0047] Furthermore, the enable signal, after passing through the buffer module 600, provides an activation voltage to the output control module 500. The switch control module 100 reduces leakage current in the circuit, and the buffer module 600 has a voltage drop effect, reducing the voltage of the enable signal input. When the enable signal input voltage is low, the activation voltage output by the buffer module 600 will be even lower, preventing the output control module 500 from conducting and outputting a control voltage. Only when the enable signal input voltage is sufficiently high can the activation voltage output by the buffer module 600 enable the output control module 500 to conduct and output a control voltage.
[0048] The GaAs logic circuit reduces the voltage of the enable signal input through the buffer module 600, making the output control module 500 less likely to be falsely triggered by low voltage, thereby ensuring the stability of the output voltage.
[0049] Furthermore, in some embodiments, the enable signal includes a first enable signal and a second enable signal, and the buffer module 600 includes a first buffer circuit 601 and a second buffer circuit 602. The first enable signal is output from port P11, and the second enable signal is output from port P12. Optionally, the output control terminal of the enable signal includes, but is not limited to, an IC.
[0050] Specifically, such as Figure 4 As shown, the first buffer circuit 601 includes at least one transistor Q19, the gate of transistor Q19 is connected to a first enable signal, and the source and drain of transistor Q19 are shorted and connected to the output control module 500; the second buffer circuit 602 includes at least one transistor Q21, the gate of transistor Q21 is connected to a second enable signal, and the source and drain of transistor Q19 are shorted and connected to the output control module 500.
[0051] Understandably, this GaAs logic circuit is a two-way control circuit, with two enable signals connected to the output control module 500 respectively, and outputting two control voltages.
[0052] In the buffer module 600, the first enable signal and the second enable signal are respectively connected to at least one drain-source shorted transistor to reduce the output voltage. A single drain-source shorted transistor can reduce the output voltage by approximately 0.5-2V. The number of transistors connected in series in the buffer module 600 can be adjusted according to the required turn-on voltage for the output control voltage. Through the voltage drop effect of the buffer module 600, a low voltage input to the enable signal cannot turn on the output control module 500, reducing false triggering and increasing the stability of the control voltage output.
[0053] Furthermore, such as Figure 4 As shown, in some embodiments, the first buffer circuit 601 further includes: transistor Q20, resistor R18, and resistor R19; the second buffer circuit 602 further includes: transistor Q22, resistor R20, and resistor R21.
[0054] Specifically, the source and drain of transistor Q19 are shorted and then connected to the gate of transistor Q20. The source and drain of transistor Q20 are shorted and then connected to the first end of resistors R18 and R19. The second end of resistor R18 is connected to the output control module 500, and the second end of resistor R19 is grounded.
[0055] The source and drain of transistor Q21 are shorted and then connected to the gate of transistor Q22. The source and drain of transistor Q22 are shorted and then connected to the first end of resistors R20 and R21. The second end of resistor R20 is connected to the output control module 500, and the second end of resistor R21 is grounded.
[0056] Among them, transistors Q19 and Q21 further reduce the output voltage of the buffer module 600, thereby further increasing the input voltage of the enable signal when the output control module 500 is turned on.
[0057] Optionally, the transistors involved in this invention are all field-effect transistors (FETs) in the pHEMT process buffer module 600, including but not limited to depletion-type FETs or enhancement-type FETs.
[0058] Furthermore, in some embodiments, the output control module 500 includes: switching transistors Q14, Q17, Q18, and Q23; resistors R16, R17, R22, and R23; and the control voltage includes: a first control voltage and a second control voltage.
[0059] Specifically, the first ends of resistors R17, R16, R22, and R23 are connected to the output terminal of the switch module 300. The second end of resistor R17 is connected to the second end of switch transistor Q14 and the first end of switch transistor Q18. The first end of switch transistor Q14 is connected to the second end of resistor R18. The third end of switch transistor Q14 is grounded. The second end of switch transistor Q18 is connected to the second end of resistor R16 and outputs the first control voltage. The third end of switch transistor Q18 is grounded.
[0060] The second end of resistor R22 is connected to the second end of switch Q23 and the first end of switch Q17. The first end of switch Q23 is connected to the second end of resistor R20. The third end of switch Q23 is grounded. The second end of switch Q17 is connected to the second end of resistor R23 and outputs the second control voltage. The third end of switch Q17 is grounded.
[0061] The first control voltage is output to port P13, and the second control voltage is output to port P14.
[0062] Preferably, the switching transistor involved in the GaAs logic circuit is a depletion-mode field-effect transistor or an enhancement-mode field-effect transistor, including but not limited to an N-type MOS transistor, wherein the first terminal is the gate of an NPN transistor, the second terminal is the source, and the third terminal is the drain.
[0063] Furthermore, in some embodiments, the switch control module 100 includes: switch Q11, switch Q12, switch Q15, switch Q16, resistor R11, resistor R12, resistor R13, resistor R14, and resistor R15.
[0064] Specifically, the first terminal of switch Q11 is connected to the first enable signal, the third terminal of switch Q11 is grounded, and the second terminal of switch Q11 is connected to power module 200 after series resistor R8; the first terminal of switch Q12 is connected to the second enable signal, the third terminal of switch Q12 is grounded, and the second terminal of switch Q12 is connected to power module 200 after series resistor R11; the second terminal of switch Q15 is connected to power module 200 after series resistor R11, the second terminal of switch Q15 is also connected to switch module 300, the first terminal of switch Q15 is connected to the second terminal of switch Q12, the third terminal of switch Q15 is connected to the second terminal of switch Q16, the first terminal of switch Q16 is connected to the second terminal of switch Q11, and the third terminal of switch Q16 is grounded.
[0065] Specifically, when port P11 outputs a low level, switch Q11 is off and switch Q16 is on; when port P11 outputs a high level, switch Q11 is on and switch Q16 is off; when port P12 outputs a low level, switch Q12 is off and switch Q15 is on; when port P12 outputs a high level, switch Q12 is on and switch Q15 is off. Therefore, when both ports P11 and P12 output low levels, switches Q15 and Q16 are both on, resistor R13 is grounded, and the switch control module 100 outputs a low-level control signal; when at least one of ports P11 and P12 outputs a high level, at least one of switches Q15 and Q16 is off, and the switch control module 100 outputs a high-level control signal.
[0066] Understandably, the switch control module 100 controls the switching module 300 to turn on or off by outputting control signals from three sets of switching transistors. The first set consists of switching transistor Q11, the second set consists of switching transistor Q12, and the third set consists of switching transistors Q15 and Q16. When at least one of ports P11 and P12 outputs a high level, at least one of the first and second sets of switching transistors is turned on, and the third set of switching transistors is turned off. The switch control module 100 then outputs a high-level control signal to the switch module 300. When both ports P11 and P12 output a low level, both the first and second sets of switching transistors are turned off, the third set of switching transistors is turned on, and the switch control module 100 outputs a low-level control signal to the switch module 300.
[0067] In the switch control module 100, all three sets of field-effect transistors are connected to the power supply module 200 after the source is connected in series with a resistor. That is, resistors R8, R11 and R13 are respectively connected between the three sets of switching transistors and the power supply module 200. Through the current limiting effect of the resistors, the leakage current of the switching transistors is reduced.
[0068] Furthermore, in some embodiments, the power module 200 includes: a power supply DC1 and a resistor R12.
[0069] Specifically, the negative terminal of power supply DC1 is grounded, and the positive terminal of power supply DC1 is connected in series with resistor R12 and then connected to switch control module 100 and switch module 300. The first end of resistor R12 is connected to the positive terminal of power supply DC1, and the second end of resistor R12 is connected to the first ends of resistors R8, R11, and R13, respectively. The second ends of resistors R8, R11, and R13 are connected to the sources of switching transistors Q11, Q12, and Q15, respectively.
[0070] Furthermore, in some embodiments, the switching module 300 includes a switching transistor Q13.
[0071] The first terminal (gate) of the switching transistor Q13 is connected to the second terminal (source) of the switching transistor Q15. The second terminal (source) of the switching transistor Q13 is connected to the power supply module 200 (the second terminal of resistor R12). The third terminal (drain) of the switching transistor Q13 is connected to the output control module 500.
[0072] Specifically, when ports P11 and P12 output a low level, the switch control module 100 outputs a low level, the switch transistor Q13 is turned off, the power supply module 200 cannot provide power to the output control module 500, and the output control module 500 has no control voltage output.
[0073] When at least one of ports P11 and P12 outputs a high level, the switch control module 100 outputs a high level, the switch transistor Q13 is turned on, the power supply module 200 provides power to the output control module 500, and the output control module 500 outputs a control voltage. If only port P11 outputs a high level, the output control module 500 outputs only the first control voltage; if only port P12 outputs a high level, the output control module 500 outputs only the second control voltage; if both ports P11 and P12 output high voltages, the output control module 500 outputs both the first and second control signals.
[0074] Specifically, the first control signal is connected to port P13, and the second control signal is connected to port P14.
[0075] Furthermore, in some embodiments, the GaAs logic circuit further includes a voltage regulator module 400.
[0076] Specifically, such as Figure 3 As shown, the input terminal of the voltage regulator module 400 is connected to the output terminal of the switch module 300, and the output terminal of the voltage regulator module 400 is connected to the input terminal of the output control module 500. The voltage regulator module 400 keeps the power supply voltage provided by the power supply module 200 to the output control module 500 stable.
[0077] Specifically, the input terminal of the voltage regulator module 400 is connected to the drain of the switching transistor Q13, the output terminal of the voltage regulator module 400 is connected to the first terminal of resistors R16, R17, R22, and R23, the second terminal of resistors R17, R16, R22, and R23 is connected to the source of switching transistors Q14, Q18, Q23, and Q17 respectively, and the voltage regulator module 400 also includes a ground terminal.
[0078] Furthermore, in some embodiments, the voltage regulator module 400 includes: switching transistor Q24, switching transistor Q25, switching transistor Q26, switching transistor Q27, resistor R25, resistor R26, resistor R27, resistor R28, resistor R29, resistor R30, diode D11, diode D12, polarized capacitor C11, polarized capacitor C12, and polarized capacitor C13.
[0079] Specifically, such as Figure 5 As shown, port 3 of the voltage regulator module 400 is the power input terminal, i.e., the drain of the switching transistor Q13; port 2 is the output terminal; port 2 is connected to the first end of resistors R16, R17, R22, and R23 in the switch control module 100; and port 1 is the ground terminal.
[0080] Port 3 is connected to the first terminal of resistor R25, the second terminal of switch Q24, the second terminal of switch Q25, the first terminal of resistor R28, and the second terminal of switch Q27. The second terminal of resistor R25 is connected to the anode of diode D11 and the first terminal of switch Q24, and the cathode of diode D11 is grounded. The third terminal of switch Q24 is connected to the first terminal of resistor R26 and the first terminal of switch Q25. The second terminal of resistor R26 is connected to the anode of diode D12, and the cathode of diode D12 is grounded. The third terminal of switch Q25 is connected to ground after being connected in series with resistor R27, and the third terminal of switch Q25 is also connected to the third terminal of switch Q26. The second terminal of transistor Q26 is connected to the second terminal of resistor R28, the first terminal of switching transistor Q27, and the positive terminal of polarized capacitor C11. The negative terminal of polarized capacitor C11 is connected to the first terminal of resistor R29. The second terminal of resistor R29 is connected to the first terminal of switching transistor Q26, the negative terminal of polarized capacitor C12, and the first terminal of resistor R30. The second terminal of resistor R30 is grounded. The negative terminal of polarized capacitor C11 is connected to the third terminal of switching transistor Q27, the positive terminal of polarized capacitor C12, and the positive terminal of polarized capacitor C13. The negative terminal of polarized capacitor C13 is grounded. The third terminal of switching transistor Q27 is connected to output port 2, that is, the third terminal of switching transistor Q27 is connected to the input terminal of output control module 500.
[0081] Specifically, the gate voltage of the first terminal of the switching transistor Q25 is a fixed voltage Vref, which is the fixed voltage obtained after the power supply voltage input to port 3 is divided by resistor R23. The power supply voltage input to port 3 is stretched by resistor R28 to control the switching transistor Q27 to conduct, and then output from port 2. The gate of the switching transistor Q26 is connected to port 2 in series with resistor R29, forming the feedback voltage Vfb of the output voltage Vout of port 2. Vref and Vfb are compared to generate an adjustment voltage to the gate of the switching transistor Q27 and control the switching transistor Q27 to stabilize the output voltage value. When the output voltage Vout increases, the feedback voltage Vfb increases, the current of the switching transistor Q26 controlled by the feedback voltage Vfb increases, the voltage of resistor R28 increases, resulting in a decrease in the adjustment voltage, thereby reducing the output voltage of the switching transistor Q27, reducing the output of the voltage regulator module 400, and ultimately stabilizing the voltage.
[0082] The GaAs logic circuit implementing the present invention has the following beneficial effects: the buffer module 600 reduces the voltage of the enable signal input, making the output control module 500 less likely to be falsely triggered by low voltage, thereby ensuring the stability of the output voltage.
[0083] The present invention also provides a chip including the GaAs logic circuit disclosed in the embodiments of the present invention.
[0084] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They do not limit the scope of protection of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should fall within the scope of the claims of the present invention.
[0085] It should be understood that those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.
Claims
1. A GaAs logic circuit, characterized in that, include: Power supply module, switch module, switch control module, buffer module and output control module; The input terminal of the switch control module is connected to the power module, the output terminal of the switch control module is connected to the switch module, the control terminal of the switch control module receives an enable signal, and outputs a control signal to the switch module according to the enable signal to control the switch module to turn on or off. The input terminal of the switch module is connected to the power supply module, and the output terminal of the switch module is connected to the input terminal of the output control module. The switch module controls the power supply module to provide power to the output control module. The input terminal of the buffer module is connected to the enable signal, and the output terminal of the buffer module is connected to the output control module, and outputs an output control signal to control the output control module to output a control voltage. The output control module includes: switch Q14, switch Q17, switch Q18, switch Q23, resistor R16, resistor R17, resistor R22, and resistor R23. The control voltage includes: a first control voltage and a second control voltage; The first ends of resistors R17, R16, R22, and R23 are connected to the output terminal of the switching module. The second end of resistor R17 is connected to the second end of switching transistor Q14 and the first end of switching transistor Q18. The first end of switching transistor Q14 is connected to the second end of resistor R18. The third end of switching transistor Q14 is grounded. The second end of switching transistor Q18 is connected to the second end of resistor R16 and outputs the first control voltage. The third end of switching transistor Q18 is grounded. The second end of the resistor R22 is connected to the second end of the switch Q23 and the first end of the switch Q17. The first end of the switch Q23 is connected to the second end of the resistor R20. The third end of the switch Q23 is grounded. The second end of the switch Q17 is connected to the second end of the resistor R23 and outputs the second control voltage. The third end of the switch Q17 is grounded.
2. The GaAs logic circuit according to claim 1, characterized in that, The enable signal includes: a first enable signal and a second enable signal; the buffer module includes: a first buffer circuit and a second buffer circuit. The first buffer circuit includes: at least one transistor Q19, the gate of the transistor Q19 is connected to a first enable signal, and the source and drain of the transistor Q19 are shorted and connected to the output control module; The second buffer circuit includes: at least one transistor Q21, the gate of the transistor Q21 is connected to a second enable signal, and the source and drain of the transistor Q19 are shorted and connected to the output control module.
3. The GaAs logic circuit according to claim 2, characterized in that, The first buffer circuit further includes: transistor Q20, resistor R18, and resistor R19; the second buffer circuit further includes: transistor Q22, resistor R20, and resistor R21. The source and drain of transistor Q19 are shorted and then connected to the gate of transistor Q20. The source and drain of transistor Q20 are shorted and then connected to the first end of resistor R18 and resistor R19. The second end of resistor R18 is connected to the output control module, and the second end of resistor R19 is grounded. The source and drain of transistor Q21 are shorted and then connected to the gate of transistor Q22. The source and drain of transistor Q22 are shorted and then connected to the first end of resistor R20 and resistor R21. The second end of resistor R20 is connected to the output control module, and the second end of resistor R21 is grounded.
4. The GaAs logic circuit according to claim 2, characterized in that, The switch control module includes: switch Q11, switch Q12, switch Q15, switch Q16, resistor R11, resistor R12, resistor R13, resistor R14, and resistor R15. The first terminal of the switch Q11 is connected to the first enable signal, the third terminal of the switch Q11 is grounded, and the second terminal of the switch Q11 is connected to the power module after being connected in series with the resistor R8. The first terminal of the switch Q12 is connected to the second enable signal, the third terminal of the switch Q12 is grounded, and the second terminal of the switch Q12 is connected to the power module after being connected in series with the resistor R11. The second terminal of the switching transistor Q15 is connected in series with the resistor R11 and then connected to the power module. The second terminal of the switching transistor Q15 is also connected to the switching module. The first terminal of the switching transistor Q15 is connected to the second terminal of the switching transistor Q12. The third terminal of the switching transistor Q15 is connected to the second terminal of the switching transistor Q16. The first terminal of the switching transistor Q16 is connected to the second terminal of the switching transistor Q11. The third terminal of the switching transistor Q16 is grounded.
5. The GaAs logic circuit according to claim 4, characterized in that, The power module includes: a power supply DC1 and a resistor R12; The negative terminal of the power supply DC1 is grounded, and the positive terminal of the power supply DC1 is connected to the switch control module and the switch module after being connected in series with resistor R12.
6. The GaAs logic circuit according to claim 5, characterized in that, The switching module includes: a switching transistor Q13; The first end of the switching transistor Q13 is connected to the second end of the switching transistor Q15, the second end of the switching transistor Q13 is connected to the power supply module, and the third end of the switching transistor Q13 is connected to the output control module.
7. The GaAs logic circuit according to claim 6, characterized in that, Also includes: Voltage regulator module; The input terminal of the voltage regulator module is connected to the output terminal of the switching module, and the output terminal of the voltage regulator module is connected to the input terminal of the output control module. The voltage regulator module provides a stable voltage to the output control module.
8. The GaAs logic circuit according to claim 7, characterized in that, The voltage regulator module includes: transistor Q24, transistor Q25, transistor Q26, transistor Q27, resistor R25, resistor R26, resistor R27, resistor R28, resistor R29, resistor R30, diode D11, diode D12, polarized capacitor C11, polarized capacitor C12, and polarized capacitor C13. The first end of resistor R25, the second end of switch Q24, the second end of switch Q25, the first end of resistor R28, and the second end of switch Q27 are connected to the third end of switch Q13. The second end of resistor R25 is connected to the anode of diode D11 and the first end of switch Q24. The cathode of diode D11 is grounded. The third terminal of the switching transistor Q24 is connected to the first terminal of the resistor R26 and the first terminal of the switching transistor Q25, the second terminal of the resistor R26 is connected to the anode of the diode D12, and the cathode of the diode D12 is grounded. The third terminal of the switching transistor Q25 is connected in series with the resistor R27 and then grounded. The third terminal of the switching transistor Q25 is also connected to the third terminal of the switching transistor Q26. The second terminal of the switching transistor Q26 is connected to the second terminal of the resistor R28, the first terminal of the switching transistor Q27, and the positive terminal of the polarized capacitor C11. The negative terminal of the polarized capacitor C11 is connected to the first terminal of the resistor R29. The second terminal of the resistor R29 is connected to the first terminal of the switching transistor Q26, the negative terminal of the polarized capacitor C12, and the first terminal of the resistor R30. The second terminal of the resistor R30 is grounded. The negative terminal of the polarized capacitor C11 is connected to the third terminal of the switching transistor Q27, the positive terminal of the polarized capacitor C12, and the positive terminal of the polarized capacitor C13. The negative terminal of the polarized capacitor C13 is grounded. The third terminal of the switching transistor Q27 is connected to the output control module.
9. A chip, characterized in that, Includes the GaAs logic circuit described in any one of claims 1-8.