阅读说明：本技术 一种基于信号稳定处理的柔性电路板 (Flexible circuit board based on signal stabilization processing ) 是由 刘照平 曾洁 于 2020-07-22 设计创作，主要内容包括：本发明涉及一种基于信号稳定处理的柔性电路板,包括：控制层、信号处理层和绝缘支撑层,所述控制层设置逻辑控制模块、信号输入接口、反向器、差分放大电路和稳定供电电路；所述信号处理层设置处理输出电路和信号输出接口；所述差分放大电路的输出端通过绝缘支撑层的通孔连接所述处理输出电路,所述处理输出电路用于对信号处理后进行输出到所述信号输出接口,所述处理输出电路对信号进行数字化处理,并最小化噪声引起的信号输出变化；所述处理输出电路通过所述稳定供电电路提供稳定的供电电压,以使得所述处理输出电路处理的信号稳定。(The invention relates to a flexible circuit board based on signal stabilization processing, which comprises: the control layer is provided with a logic control module, a signal input interface, an inverter, a differential amplification circuit and a stable power supply circuit; the signal processing layer is provided with a processing output circuit and a signal output interface; the output end of the differential amplification circuit is connected with the processing output circuit through a through hole of the insulating support layer, the processing output circuit is used for outputting the processed signal to the signal output interface, and the processing output circuit is used for carrying out digital processing on the signal and minimizing signal output change caused by noise; the processing output circuit provides stable power supply voltage through the stable power supply circuit, so that signals processed by the processing output circuit are stable.)

1. A flexible circuit board based on signal stabilization processing, comprising: the control layer is provided with a logic control module, a signal input interface, an inverter, a differential amplification circuit and a stable power supply circuit; the signal processing layer is provided with a processing output circuit and a signal output interface; the output end of the differential amplification circuit is connected with the processing output circuit through a through hole of the insulating support layer, the processing output circuit is used for outputting the processed signal to the signal output interface, and the processing output circuit is used for carrying out digital processing on the signal and minimizing signal output change caused by noise; the processing output circuit provides stable power supply voltage through the stable power supply circuit, so that signals processed by the processing output circuit are stable.

2. The flexible circuit board based on signal stabilization processing of claim 1, wherein the stabilization power supply circuit comprises: the switch tube P7-P12, the switch tube N20-N24 and the capacitor C1-C4, first non-controllable ends of the switch tube P9-P10 and the switch tube N20-N21 are connected with an input power VIN, a second non-controllable end of the switch tube P9 is respectively connected with a controllable end of the switch tube P11 and one end of the capacitor C3, and a controllable end of the switch tube P9 is connected with a controllable end of the switch tube P10; a first non-controllable end of a switching tube P11 is connected with an input power supply VIN, a second non-controllable end of a switching tube P11 is respectively connected with a first non-controllable end of a switching tube N22 and the other end of a capacitor C1, a second non-controllable end of a switching tube N22 is connected with a first non-controllable end of a switching tube N24, a second non-controllable end of the switching tube N24 is grounded, a second non-controllable end of a switching tube N20 is connected with one end of a capacitor C1, a controllable end of a switching tube N20 is connected with a second non-controllable end of a switching tube N21, a controllable end of a switching tube N21 is connected with a second non-controllable end of a switching tube N20, a first non-controllable end of the switching tube P12 is connected with the input power supply VIN, a second non-controllable end of a switching tube P84 is connected with the other end of the capacitor C2 and the first non-controllable end of the switching tube N23, a second non-controllable end of a switching tube N23 is connected with a first non-controllable end of the switching tube N24, and a second non-controllable end of the switch tube N10, the other end of the capacitor C4 is connected with the controllable end of the switch tube N23; the first non-controllable ends of the switch tube P7 and the switch tube P8 are connected with a power supply VDD and used for providing power for the processing output circuit and the differential amplification circuit, the controllable end of the switch tube P7 is respectively connected with the second non-controllable end of the switch tube P8, the second non-controllable end of the switch tube N21 and one end of a capacitor C2, and the second non-controllable end of the switch tube P7 is respectively connected with the controllable end of the switch tube P8, the second non-controllable end of the switch tube N20 and one end of a capacitor C1.

3. The flexible circuit board based on signal stabilization processing according to claim 2, wherein the differential amplification circuit includes: one end of each of the switch tubes N1-N6, the resistors R1 and R2, one end of each of the resistors R1 and R2 is connected to a power supply VDD, the other end of each of the resistors R1 is connected to a first non-controllable end of the switch tube N1 and a first non-controllable end of the switch tube N4, a second non-controllable end of the switch tube N1 is connected to a second non-controllable end of the switch tube N3 and a first non-controllable end of the switch tube N5, a controllable end of the switch tube N1 is connected to an input signal INP, a first non-controllable end of the switch tube N3 is connected to a second end of the resistor R2 and a first non-controllable end of the switch tube N2, a controllable end of the switch tube N3 is connected to a first reference signal REF2, a second non-controllable end of the switch tube N5 is connected to ground, a controllable end of the switch tube N2 is connected to an input signal INN, a second non-controllable end of the switch tube N2 is connected to a second non-controllable end of the switch tube N4 and a second non-controllable end of the switch tube N6, the second non-controllable end of the switch tube N6 is grounded, and the controllable end of the switch tube N5 is connected with the controllable end of the switch tube N6 and then is connected with an external BIAS control signal BIAS; the second end of the resistor R1 and the second end of the resistor R2 are connected with the processing output circuit.

4. The flexible circuit board based on signal stabilization processing according to claim 3, wherein the external BIAS control signal BIAS receives a BIAS control signal from the logic control module; the first and second reference signals REF1 and REF2 receive reference control signals from the logic control module.

5. The signal stabilization processing-based flexible circuit board of claim 4, wherein the processing output circuit comprises: the switching tube P1-P6 and the switching tube N7-N19, first non-controllable ends of the switching tube P1 and the switching tube P2 are both connected with a power supply VDD, and a switching tube P1 is connected with a controllable end of the switching tube P2 and is connected with an output end of the inverter; the second non-controllable end of the switch tube P1 is connected with the controllable end of the switch tube N7, the first non-controllable ends of the switch tube N7 and the switch tube N8 are both connected with a power supply VDD, the second non-controllable end of the switch tube P2 is connected with the controllable end of the switch tube N8, the controllable end of the switch tube N8 is also connected with the second non-controllable end of the switch tube N7, and the controllable end of the switch tube N7 is also connected with the second non-controllable end of the switch tube N8; the second non-controllable end of the switching tube N7 is also respectively connected with the first non-controllable end of the switching tube N9, the controllable end of the switching tube N10, the controllable end of the switching tube P5 and the controllable end of the switching tube N18; the first non-controllable end of the switch tube N10 is also respectively connected with the controllable end of the switch tube N9, the controllable end of the switch tube P4 and the controllable end of the switch tube N17; the second non-controllable end of the switch tube N9 is connected with the first non-controllable end of the switch tube N12, the second non-controllable end of the switch tube N12 is connected with the first non-controllable end of the switch tube N14, the second non-controllable end of the switch tube N14 is grounded, and the controllable end of the switch tube N14 is connected with the other end of the resistor R2; the second non-controllable end of the switch tube N10 is connected with the first non-controllable end of the switch tube N13, the second non-controllable end of the switch tube N13 is connected with the first non-controllable end of the switch tube N15, the second non-controllable end of the switch tube N15 is grounded, and the controllable end of the switch tube N15 is connected with the other end of the resistor R1; the controllable end of the switch tube N12 is respectively connected with the controllable end of the switch tube N13, the controllable end of the switch tube P1, the controllable end of the switch tube P2 and the output end of the reverser;

the first non-controllable end of the switch tube P3-P6 is connected to a power supply VDD, the second non-controllable end of the switch tube P3 is connected to the first non-controllable end of the switch tube N16 and the first output end OUT1, the second non-controllable end of the switch tube P4 is connected to the first non-controllable end of the switch tube N17, the controllable end of the switch tube P3 and the controllable end of the switch tube N16, the controllable end of the switch tube P4 is connected to the controllable end of the switch tube N17, the second non-controllable end of the switch tube P5 is connected to the first non-controllable end of the switch tube N18, the controllable end of the switch tube P6 and the controllable end of the switch tube N19, the second non-controllable end of the switch tube P6 is connected to the first non-controllable end of the switch tube N19 and the second output end OUT2, and the second non-controllable ends of the switch tubes N16-N19 are grounded.

6. The flexible circuit board based on signal stabilization processing as claimed in claim 5, wherein the stabilization power supply circuit further supplies power to a logic control module, the first output terminal of the logic control module is connected to the controllable terminals of the switch tubes P9-P10 and the input terminal of the inverter U1, and the output terminal of the inverter U1 is connected to the controllable terminal of the switch tube N24; the second output end of the logic control module is connected with the controllable end of the switch tube N22 and the input end of the inverter U2, and the output end of the inverter U2 is connected with the controllable end of the switch tube N23; switch N22 and switch N23 receive clock control signals.

Technical Field

The invention relates to the technical field of flexible circuit boards, in particular to a flexible circuit board based on signal stabilization processing.

Background

Disclosure of Invention

The invention discloses a flexible circuit board based on signal stabilization processing, which comprises: the control layer is provided with a logic control module, a signal input interface, an inverter, a differential amplification circuit and a stable power supply circuit; the signal processing layer is provided with a processing output circuit and a signal output interface; the output end of the differential amplification circuit is connected with the processing output circuit through a through hole of the insulating support layer, the processing output circuit is used for outputting the processed signal to the signal output interface, and the processing output circuit is used for carrying out digital processing on the signal and minimizing signal output change caused by noise; the processing output circuit provides stable power supply voltage through the stable power supply circuit, so that signals processed by the processing output circuit are stable.

The flexible circuit board based on signal stabilization processing, the stable power supply circuit includes: the switch tube P7-P12, the switch tube N20-N24 and the capacitor C1-C4, first non-controllable ends of the switch tube P9-P10 and the switch tube N20-N21 are connected with an input power VIN, a second non-controllable end of the switch tube P9 is respectively connected with a controllable end of the switch tube P11 and one end of the capacitor C3, and a controllable end of the switch tube P9 is connected with a controllable end of the switch tube P10; a first non-controllable end of a switching tube P11 is connected with an input power supply VIN, a second non-controllable end of a switching tube P11 is respectively connected with a first non-controllable end of a switching tube N22 and the other end of a capacitor C1, a second non-controllable end of a switching tube N22 is connected with a first non-controllable end of a switching tube N24, a second non-controllable end of the switching tube N24 is grounded, a second non-controllable end of a switching tube N20 is connected with one end of a capacitor C1, a controllable end of a switching tube N20 is connected with a second non-controllable end of a switching tube N21, a controllable end of a switching tube N21 is connected with a second non-controllable end of a switching tube N20, a first non-controllable end of the switching tube P12 is connected with the input power supply VIN, a second non-controllable end of a switching tube P84 is connected with the other end of the capacitor C2 and the first non-controllable end of the switching tube N23, a second non-controllable end of a switching tube N23 is connected with a first non-controllable end of the switching tube N24, and a second non-controllable end of the switch tube N10, the other end of the capacitor C4 is connected with the controllable end of the switch tube N23; the first non-controllable ends of the switch tube P7 and the switch tube P8 are connected with a power supply VDD and used for providing power for the processing output circuit and the differential amplification circuit, the controllable end of the switch tube P7 is respectively connected with the second non-controllable end of the switch tube P8, the second non-controllable end of the switch tube N21 and one end of a capacitor C2, and the second non-controllable end of the switch tube P7 is respectively connected with the controllable end of the switch tube P8, the second non-controllable end of the switch tube N20 and one end of a capacitor C1.

The flexible circuit board based on signal stabilization processing, the differential amplification circuit includes: one end of each of the switch tubes N1-N6, the resistors R1 and R2, one end of each of the resistors R1 and R2 is connected to a power supply VDD, the other end of each of the resistors R1 is connected to a first non-controllable end of the switch tube N1 and a first non-controllable end of the switch tube N4, a second non-controllable end of the switch tube N1 is connected to a second non-controllable end of the switch tube N3 and a first non-controllable end of the switch tube N5, a controllable end of the switch tube N1 is connected to an input signal INP, a first non-controllable end of the switch tube N3 is connected to a second end of the resistor R2 and a first non-controllable end of the switch tube N2, a controllable end of the switch tube N3 is connected to a first reference signal REF2, a second non-controllable end of the switch tube N5 is connected to ground, a controllable end of the switch tube N2 is connected to an input signal INN, a second non-controllable end of the switch tube N2 is connected to a second non-controllable end of the switch tube N4 and a second non-controllable end of the switch tube N6, the second non-controllable end of the switch tube N6 is grounded, and the controllable end of the switch tube N5 is connected with the controllable end of the switch tube N6 and then is connected with an external BIAS control signal BIAS; the second end of the resistor R1 and the second end of the resistor R2 are connected with the processing output circuit;

in the flexible circuit board based on signal stabilization processing, the external BIAS control signal BIAS receives a BIAS control signal from the logic control module; the first and second reference signals REF1 and REF2 receive reference control signals from the logic control module.

The flexible circuit board based on signal stabilization processing, the processing output circuit includes: the switching tube P1-P6 and the switching tube N7-N19, first non-controllable ends of the switching tube P1 and the switching tube P2 are both connected with a power supply VDD, and a switching tube P1 is connected with a controllable end of the switching tube P2 and is connected with an output end of the inverter; the second non-controllable end of the switch tube P1 is connected with the controllable end of the switch tube N7, the first non-controllable ends of the switch tube N7 and the switch tube N8 are both connected with a power supply VDD, the second non-controllable end of the switch tube P2 is connected with the controllable end of the switch tube N8, the controllable end of the switch tube N8 is also connected with the second non-controllable end of the switch tube N7, and the controllable end of the switch tube N7 is also connected with the second non-controllable end of the switch tube N8; the second non-controllable end of the switching tube N7 is also respectively connected with the first non-controllable end of the switching tube N9, the controllable end of the switching tube N10, the controllable end of the switching tube P5 and the controllable end of the switching tube N18; the first non-controllable end of the switch tube N10 is also respectively connected with the controllable end of the switch tube N9, the controllable end of the switch tube P4 and the controllable end of the switch tube N17; the second non-controllable end of the switch tube N9 is connected with the first non-controllable end of the switch tube N12, the second non-controllable end of the switch tube N12 is connected with the first non-controllable end of the switch tube N14, the second non-controllable end of the switch tube N14 is grounded, and the controllable end of the switch tube N14 is connected with the other end of the resistor R2; the second non-controllable end of the switch tube N10 is connected with the first non-controllable end of the switch tube N13, the second non-controllable end of the switch tube N13 is connected with the first non-controllable end of the switch tube N15, the second non-controllable end of the switch tube N15 is grounded, and the controllable end of the switch tube N15 is connected with the other end of the resistor R1; the controllable end of the switch tube N12 is respectively connected with the controllable end of the switch tube N13, the controllable end of the switch tube P1, the controllable end of the switch tube P2 and the output end of the reverser;

the first non-controllable end of the switch tube P3-P6 is connected to a power supply VDD, the second non-controllable end of the switch tube P3 is connected to the first non-controllable end of the switch tube N16 and the first output end OUT1, the second non-controllable end of the switch tube P4 is connected to the first non-controllable end of the switch tube N17, the controllable end of the switch tube P3 and the controllable end of the switch tube N16, the controllable end of the switch tube P4 is connected to the controllable end of the switch tube N17, the second non-controllable end of the switch tube P5 is connected to the first non-controllable end of the switch tube N18, the controllable end of the switch tube P6 and the controllable end of the switch tube N19, the second non-controllable end of the switch tube P6 is connected to the first non-controllable end of the switch tube N19 and the second output end OUT2, and the second non-controllable ends of the switch tubes N16-N19 are grounded.

The flexible circuit board based on signal stabilization processing further supplies power to a logic control module, a first output end of the logic control module is connected with the controllable ends of the switch tubes P9-P10 and the input end of the inverter U1, and the output end of the inverter U1 is connected with the controllable end of the switch tube N24; the second output end of the logic control module is connected with the controllable end of the switch tube N22 and the input end of the inverter U2, and the output end of the inverter U2 is connected with the controllable end of the switch tube N23; switch N22 and switch N23 receive clock control signals.

The invention has the beneficial effects that: according to the invention, the processing output control layer, the signal processing layer and the insulating support layer are arranged on the circuit board, the control layer is provided with the logic control module, the signal input interface, the reverser, the differential amplification circuit and the stable power supply circuit, and the stable power supply is provided for the signal processing output circuit through the stable power supply circuit, so that the signal processing output circuit can be more stable during signal processing. As an improvement point of the invention, a stable power supply circuit is arranged, and the stable power supply circuit provides stable voltage for the circuit board, so that the circuit board can conveniently carry out stable output control; the invention also provides a differential amplifier which provides signal input for the signal processing circuit and is matched with stable power supply of the stable power supply circuit, provides stable signal input and power supply for the signal processing output circuit, is convenient for signal processing, and the signal processing output circuit is provided with a pre-charging circuit capable of processing signals and a latch and output control circuit, and can realize smaller output signal noise through the circuit combination.

Drawings

FIG. 1 is a functional diagram of the modules of the present invention.

Fig. 2 is a schematic diagram of a signal processing and power supply circuit according to the present invention.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Fig. 1 is a functional diagram of the module according to the present invention.

The invention discloses a flexible circuit board based on signal stabilization processing, which comprises: the control layer is provided with a logic control module, a signal input interface, an inverter, a differential amplification circuit and a stable power supply circuit; the signal processing layer is provided with a processing output circuit and a signal output interface; the output end of the differential amplification circuit is connected with the processing output circuit through a through hole of the insulating support layer, the processing output circuit is used for outputting the processed signal to the signal output interface, and the processing output circuit is used for carrying out digital processing on the signal and minimizing signal output change caused by noise; the processing output circuit provides stable power supply voltage through the stable power supply circuit, so that signals processed by the processing output circuit are stable.

Fig. 2 is a schematic diagram of a signal processing and power supply circuit according to the present invention. The flexible circuit board based on signal stabilization processing, the stable power supply circuit includes: the switch tube P7-P12, the switch tube N20-N24 and the capacitor C1-C4, first non-controllable ends of the switch tube P9-P10 and the switch tube N20-N21 are connected with an input power VIN, a second non-controllable end of the switch tube P9 is respectively connected with a controllable end of the switch tube P11 and one end of the capacitor C3, and a controllable end of the switch tube P9 is connected with a controllable end of the switch tube P10; a first non-controllable end of a switching tube P11 is connected with an input power supply VIN, a second non-controllable end of a switching tube P11 is respectively connected with a first non-controllable end of a switching tube N22 and the other end of a capacitor C1, a second non-controllable end of a switching tube N22 is connected with a first non-controllable end of a switching tube N24, a second non-controllable end of the switching tube N24 is grounded, a second non-controllable end of a switching tube N20 is connected with one end of a capacitor C1, a controllable end of a switching tube N20 is connected with a second non-controllable end of a switching tube N21, a controllable end of a switching tube N21 is connected with a second non-controllable end of a switching tube N20, a first non-controllable end of the switching tube P12 is connected with the input power supply VIN, a second non-controllable end of a switching tube P84 is connected with the other end of the capacitor C2 and the first non-controllable end of the switching tube N23, a second non-controllable end of a switching tube N23 is connected with a first non-controllable end of the switching tube N24, and a second non-controllable end of the switch tube N10, the other end of the capacitor C4 is connected with the controllable end of the switch tube N23; the first non-controllable ends of the switch tube P7 and the switch tube P8 are connected with a power supply VDD and used for providing power for the processing output circuit and the differential amplification circuit, the controllable end of the switch tube P7 is respectively connected with the second non-controllable end of the switch tube P8, the second non-controllable end of the switch tube N21 and one end of a capacitor C2, and the second non-controllable end of the switch tube P7 is respectively connected with the controllable end of the switch tube P8, the second non-controllable end of the switch tube N20 and one end of a capacitor C1.

The flexible circuit board based on signal stabilization processing, the differential amplification circuit includes: one end of each of the switch tubes N1-N6, the resistors R1 and R2, one end of each of the resistors R1 and R2 is connected to a power supply VDD, the other end of each of the resistors R1 is connected to a first non-controllable end of the switch tube N1 and a first non-controllable end of the switch tube N4, a second non-controllable end of the switch tube N1 is connected to a second non-controllable end of the switch tube N3 and a first non-controllable end of the switch tube N5, a controllable end of the switch tube N1 is connected to an input signal INP, a first non-controllable end of the switch tube N3 is connected to a second end of the resistor R2 and a first non-controllable end of the switch tube N2, a controllable end of the switch tube N3 is connected to a first reference signal REF2, a second non-controllable end of the switch tube N5 is connected to ground, a controllable end of the switch tube N2 is connected to an input signal INN, a second non-controllable end of the switch tube N2 is connected to a second non-controllable end of the switch tube N4 and a second non-controllable end of the switch tube N6, the second non-controllable end of the switch tube N6 is grounded, and the controllable end of the switch tube N5 is connected with the controllable end of the switch tube N6 and then is connected with an external BIAS control signal BIAS; the second end of the resistor R1 and the second end of the resistor R2 are connected with the processing output circuit;

in the flexible circuit board based on signal stabilization processing, the external BIAS control signal BIAS receives a BIAS control signal from the logic control module; the first and second reference signals REF1 and REF2 receive reference control signals from the logic control module.

The flexible circuit board based on signal stabilization processing, the processing output circuit includes: the switching tube P1-P6 and the switching tube N7-N19, first non-controllable ends of the switching tube P1 and the switching tube P2 are both connected with a power supply VDD, and a switching tube P1 is connected with a controllable end of the switching tube P2 and is connected with an output end of the inverter; the second non-controllable end of the switch tube P1 is connected with the controllable end of the switch tube N7, the first non-controllable ends of the switch tube N7 and the switch tube N8 are both connected with a power supply VDD, the second non-controllable end of the switch tube P2 is connected with the controllable end of the switch tube N8, the controllable end of the switch tube N8 is also connected with the second non-controllable end of the switch tube N7, and the controllable end of the switch tube N7 is also connected with the second non-controllable end of the switch tube N8; the second non-controllable end of the switching tube N7 is also respectively connected with the first non-controllable end of the switching tube N9, the controllable end of the switching tube N10, the controllable end of the switching tube P5 and the controllable end of the switching tube N18; the first non-controllable end of the switch tube N10 is also respectively connected with the controllable end of the switch tube N9, the controllable end of the switch tube P4 and the controllable end of the switch tube N17; the second non-controllable end of the switch tube N9 is connected with the first non-controllable end of the switch tube N12, the second non-controllable end of the switch tube N12 is connected with the first non-controllable end of the switch tube N14, the second non-controllable end of the switch tube N14 is grounded, and the controllable end of the switch tube N14 is connected with the other end of the resistor R2; the second non-controllable end of the switch tube N10 is connected with the first non-controllable end of the switch tube N13, the second non-controllable end of the switch tube N13 is connected with the first non-controllable end of the switch tube N15, the second non-controllable end of the switch tube N15 is grounded, and the controllable end of the switch tube N15 is connected with the other end of the resistor R1; the controllable end of the switch tube N12 is respectively connected with the controllable end of the switch tube N13, the controllable end of the switch tube P1, the controllable end of the switch tube P2 and the output end of the reverser;

the first non-controllable end of the switch tube P3-P6 is connected to a power supply VDD, the second non-controllable end of the switch tube P3 is connected to the first non-controllable end of the switch tube N16 and the first output end OUT1, the second non-controllable end of the switch tube P4 is connected to the first non-controllable end of the switch tube N17, the controllable end of the switch tube P3 and the controllable end of the switch tube N16, the controllable end of the switch tube P4 is connected to the controllable end of the switch tube N17, the second non-controllable end of the switch tube P5 is connected to the first non-controllable end of the switch tube N18, the controllable end of the switch tube P6 and the controllable end of the switch tube N19, the second non-controllable end of the switch tube P6 is connected to the first non-controllable end of the switch tube N19 and the second output end OUT2, and the second non-controllable ends of the switch tubes N16-N19 are grounded.

The flexible circuit board based on signal stabilization processing further supplies power to a logic control module, a first output end of the logic control module is connected with the controllable ends of the switch tubes P9-P10 and the input end of the inverter U1, and the output end of the inverter U1 is connected with the controllable end of the switch tube N24; the second output end of the logic control module is connected with the controllable end of the switch tube N22 and the input end of the inverter U2, and the output end of the inverter U2 is connected with the controllable end of the switch tube N23; switch N22 and switch N23 receive clock control signals.

The invention has the beneficial effects that: according to the invention, the processing output control layer, the signal processing layer and the insulating support layer are arranged on the circuit board, the control layer is provided with the logic control module, the signal input interface, the reverser, the differential amplification circuit and the stable power supply circuit, and the stable power supply is provided for the signal processing output circuit through the stable power supply circuit, so that the signal processing output circuit can be more stable during signal processing. As an improvement point of the invention, a stable power supply circuit is arranged, and the stable power supply circuit provides stable voltage for the circuit board, so that the circuit board can conveniently carry out stable output control; the invention also provides a differential amplifier which provides signal input for the signal processing circuit and is matched with stable power supply of the stable power supply circuit, provides stable signal input and power supply for the signal processing output circuit, is convenient for signal processing, and the signal processing output circuit is provided with a pre-charging circuit capable of processing signals and a latch and output control circuit, and can realize smaller output signal noise through the circuit combination.