CN109347513B - bidding procurement information calibration circuit - Google Patents

bidding procurement information calibration circuit Download PDF

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Publication number
CN109347513B
CN109347513B CN201811453164.4A CN201811453164A CN109347513B CN 109347513 B CN109347513 B CN 109347513B CN 201811453164 A CN201811453164 A CN 201811453164A CN 109347513 B CN109347513 B CN 109347513B
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resistor
circuit
triode
signal
output
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CN109347513A (en
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贺杰
张小雪
罗晨阳
王宏伟
郑浩
位营杰
米冰冰
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Pingdingshan University
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Pingdingshan University
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)

Abstract

The invention discloses an bid inviting purchase information calibration circuit, which comprises a signal input circuit, a rectification comparison circuit and a push-pull output circuit, wherein the signal input circuit receives signals of an input end in a signal transmission channel for receiving data signals by a control terminal in a bid inviting purchase information management system, the rectification comparison circuit receives the signals output by the signal input circuit, a rectification circuit is formed by an operational amplifier AR1, an operational amplifier AR2, a resistor R7 and a capacitor C1 and rectifies the signals, a frequency modulation circuit is formed by triodes Q3-Q6 and modulates the frequency of the signals, a comparator AR3 is used for comparing and processing the output signals of the frequency modulation circuit and the rectification circuit and stabilizing the static working point of the signals, a variable resistor RW1 and a triode Q7 are used for feedback adjustment of the output signal potential of the frequency modulation circuit, and finally the push-pull output circuit is output after voltage stabilization by a voltage stabilizing tube D5, so that the automatic calibration of the signals is realized, the stability of the signals is improved.

Description

bidding procurement information calibration circuit
Technical Field
The invention relates to the technical field of circuits, in particular to a circuit for calibrating bidding purchase information.
Background
In the 21 st century, the era of knowledge economy characterized by "informatization" relates to various industries, the information of the bidding purchasing process is also processed in an "informatization" mode, and the bidding purchasing information management system replaces the traditional manual or simple computer information processing method, so that the intelligent processing of the bidding purchasing information system is realized, the safety and the confidentiality of the information and the data processing efficiency are improved, however, in practice, as the bidding information data is more and more complicated, the control terminal in the bidding purchasing information management system simultaneously receives the data signals, the frequency hopping and even the distortion phenomenon of the data signals received by the control terminal in the bidding purchasing information management system can often occur, the disorder of the bidding purchasing information management system is caused, and the serious consequences are brought to the whole bidding information process.
The present invention provides new solutions to this problem.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the present invention aims to provide bidding purchase information calibration circuits, which have the characteristics of ingenious conception and humanized design, effectively and automatically calibrate signals in a signal transmission channel for receiving data signals by a control terminal in a bidding purchase information management system, improve the stability of the signals, and prevent the frequency hopping and distortion of the signals.
The technical scheme includes that bidding purchase information calibration circuits comprise a signal input circuit, a rectification comparison circuit and a push-pull output circuit, wherein the signal input circuit receives signals of an input end in a signal transmission channel for receiving data signals by a control terminal in a bidding purchase information management system, a differential amplification circuit is formed by a triode Q1, a triode Q2 and a resistor R5 to perform differential amplification processing on the signals, the rectification comparison circuit receives the signals output by the signal input circuit, a rectifier circuit is formed by an operational amplifier AR1, an operational amplifier AR2, a resistor R7 and a capacitor C1 to rectify the signals, meanwhile, a frequency modulation circuit is formed by triodes Q3 to Q6 to perform frequency modulation on the signals, a comparator AR3 is used to compare and process the output signals of the frequency modulation circuit and the rectifier circuit, a static working point of the signals is stabilized, a variable resistor RW1 and a triode Q7 are used to feed back and adjust the output signal potential of the signal acquisition circuit, finally, the push-pull output circuit Q8, a triode Q9, a diode D3 and a diode D4 are used to prevent cross-bid purchase information from being distorted, and the cross-bid purchase information management system is used to receive the voltage-stabilized data transmission channel;
the rectification comparison circuit comprises an operational amplifier AR, wherein the reverse phase input end of the operational amplifier AR is connected with the output end of the operational amplifier AR, the end of a resistor R, the end of the resistor R and the 0 end of the resistor R, the collector electrode of a triode Q and the emitter electrode of the triode Q, the other 1 end of the resistor R is connected with the base electrode of the triode Q, the output end of the operational amplifier AR and the 2 end of the resistor R, and the anode of a diode D, the other 3 end of the resistor R is connected with the non-phase input end of the operational amplifier AR, the reverse phase input end of the operational amplifier AR is connected with the end of the resistor R and the end of a capacitor C, the other ends of the resistor R and the capacitor C are grounded, the collector electrode of the triode Q is connected with the base electrode of the triode Q, the base electrode of the triode Q and the other end of the resistor R, the emitter electrode of the triode Q and the collector electrode of the triode Q are grounded, the emitter electrode of the triode Q is connected with the base electrode of the triode Q, the emitter electrode of the non-phase input end of the operational amplifier AR and the collector electrode of the variable resistor Q, the contact 2 end of the variable resistor R and the collector electrode of the operational amplifier R are connected with the non-phase input end of the collector electrode of the.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1, utilize fortune ware AR1 and fortune ware AR2, resistance R7, electric capacity C1 constitution rectifier circuit to signal rectification, play the effect of stable signal, use triode Q3~ triode Q6 to constitute the frequency modulation circuit to signal frequency modulation simultaneously, triode Q4, triode Q5 restrain the high frequency signal, triode Q3, triode Q6 filters the low frequency signal, play the effect of calibration signal frequency, prevent signal frequency hopping, and use comparator AR3 comparison processing frequency modulation circuit and rectifier circuit output signal, stabilize signal quiescent operating point, for the stable signal of step, prevent signal distortion, use variable resistor RW1 and triode Q7 to carry out step to signal calibration, when comparator AR3 output signal is the unusual high level signal, triode Q7 switches on, feedback signal to triode Q4 collecting electrode, reduce the output signal potential of frequency modulation circuit, the automatic calibration to the signal has been realized, the condition of signal frequency hopping and distortion has been prevented.
2. A push-pull circuit is formed by the triode Q8, the triode Q9, the diode D3 and the diode D4 to prevent signal crossover distortion, a voltage stabilizing tube D5 is used for stabilizing voltage and then outputting the voltage stabilized voltage, steps are carried out to stabilize signals, times of screening is achieved for signal frequency and amplitude, and the method has great practical value.
Drawings
FIG. 1 is a block diagram of an bid procurement information calibration circuit according to the invention.
FIG. 2 is a schematic diagram of an bid procurement information calibration circuit according to the invention.
FIG. 3 is a schematic diagram of a rectifying comparator circuit in the bid purchase information calibration circuit according to the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 3. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
The embodiment is a calibration circuit for bidding purchase information, including a signal input circuit, a rectification comparison circuit and a push-pull output circuit, where the signal input circuit receives a signal at an input end in a signal transmission channel for receiving a data signal by a control terminal in a system for managing bidding purchase information, a differential amplification circuit composed of a transistor Q1, a transistor Q2 and a resistor R5 is used to differentially amplify the signal, the rectification comparison circuit receives the signal output by the signal input circuit, a rectifier circuit composed of an operational amplifier AR1, an operational amplifier AR2, a resistor R7 and a capacitor C1 is used to rectify the signal, a frequency modulation circuit composed of transistors Q3 to Q6 is used to modulate the signal frequency, and a variable resistor AR3 is used to compare and process the signal output by the rectification circuit, so as to stabilize a signal static working point, where a variable resistor RW1 and a transistor Q7 are used to feed back and adjust the signal potential of the frequency modulation circuit, and finally the push-pull output circuit uses a transistor Q38, a transistor Q9, a diode 39d 3 and a diode D4 to prevent signal cross-distortion, and the push-pull output circuit is used to manage the post-pull signal transmission channel for managing the system for receiving the data signal;
the rectification comparison circuit utilizes an operational amplifier AR and an operational amplifier AR, a resistor R and a capacitor C to form a rectification circuit for rectifying signals, the effect of stabilizing signals is achieved, meanwhile, a frequency modulation circuit is formed by utilizing triodes Q-Q to Q for modulating the frequency of the signals, the triodes Q and Q suppress high-frequency signals, the triodes Q and Q filter low-frequency signals, the function of calibrating signal frequency is achieved, signal frequency hopping is prevented, signals are compared and processed by utilizing a comparator AR, the signals are stabilized at a static working point, in order to further stabilize the signals and prevent signal distortion, the signals are calibrated by utilizing a variable resistor RW and the triode Q, when the signals output by the comparator AR are abnormal high-level signals, the triodes Q are conducted, signals are fed back to a collector of the triodes Q, the output signal potential of the frequency modulation circuit is reduced, automatic calibration of the signals is achieved, the conditions of signal frequency hopping and distortion are prevented, the output end of the operational amplifier AR is connected with the emitter of the negative terminal of the operational amplifier AR, the 0 terminal of the resistor R, the 1 terminal of the resistor R and the 2 terminal of the resistor R of the collector terminal of the operational amplifier AR, the emitter terminal of the collector terminal of the triode Q and the emitter terminal of the emitter of the resistor R of the emitter of the R of the operational amplifier, the emitter of the collector terminal of the emitter of the resistor R of the emitter of the triode Q and the emitter of the transistor Q, the emitter of the triode Q of the emitter of the resistor R of the transistor Q, the emitter of.
In the second embodiment, on the basis of the second embodiment, the push-pull output circuit uses a transistor Q, a diode D and a diode D to form a push-pull circuit to prevent signal crossover distortion, and simultaneously uses a voltage regulator tube D to stabilize voltage and then output, so as to further stabilize signals, and secondary screening is realized on signal frequency and amplitude, and finally the signals are input into a signal transmission channel for receiving data signals by a control terminal in a bid purchase information management system, wherein the cathode of the diode D is connected with the cathode of the diode D and the output end of an operational amplifier AR, the anode of the diode D is connected with the base of the transistor Q and the end of a resistor R, the collector of the transistor Q and the other end of the resistor R are connected with +10V of a power supply, the emitter of the transistor Q is connected with the emitter of the transistor Q, the resistor R, the end of the resistor R and the cathode of the voltage regulator tube D, the base of the transistor Q is connected with the anode of the diode D and the resistor R, the collector of the resistor R and the other end of the power supply.
On the basis of the embodiment, the signal input circuit receives a signal of an input end in a signal transmission channel for receiving a data signal by a control terminal in the bid procurement information management system, a differential amplification circuit consisting of a triode Q, the triode Q and a resistor R is used for carrying out differential amplification processing on the signal, a signal static working point is stabilized, a base of the triode Q is connected with a terminal of the resistor R, the other terminal of the resistor R is connected with a terminal of the resistor R, a negative electrode of a voltage regulator tube D and a signal input port, an anode of the voltage regulator tube D is grounded, an emitter of the triode Q is connected with an emitter of the triode Q, a terminal of the resistor R and a non-inverting input terminal of an operational amplifier AR, a base of the triode Q is connected with a terminal of the resistor R, the other terminals of the resistor R, the resistor R and the resistor R are grounded, a collector of the triode Q is connected with a terminal of the resistor R, a collector of the triode Q is connected with a non-inverting.
When the invention is used specifically, bid inviting purchase information calibration circuits comprise a signal input circuit, a rectification comparison circuit and a push-pull output circuit, wherein the signal input circuit receives signals at an input end in a signal transmission channel for receiving data signals by a control terminal in a bid inviting purchase information management system, a differential amplification circuit consisting of a triode Q1, a triode Q2 and a resistor R5 is used for carrying out differential amplification processing on the signals, the rectification comparison circuit consists of an operational amplifier AR1, an operational amplifier AR2, a resistor R7 and a capacitor C1 and is used for rectifying the signals, the effect of stabilizing the signals is achieved, meanwhile, a frequency modulation circuit consisting of a triode Q3 and a triode Q6 is used for carrying out frequency modulation on the signals, a triode Q4 and a triode Q5 are used for inhibiting high-frequency signals, a triode Q3 and a triode Q3 are used for filtering low-frequency signals, the function of calibrating signal frequency is achieved, the frequency of signal frequency is prevented from being hopped, a comparator AR3 is used for comparing and processing output signals of the circuits and a triode Q3 and a rectifying circuit output signal output, the triode Q3 is used for stabilizing the working point of a steady signal, in order to stabilize the steady-frequency signal, the steady-frequency-up, the steady-frequency-switching circuit, the triode.
The above is a detailed description of the present invention with reference to the step , and it should not be understood that the present invention is limited to the specific embodiments, and it should be understood that the extension, operation method and data replacement of the present invention shall fall within the protection scope of the present invention for those skilled in the relevant art and the related technical field.

Claims (3)

  1. The utility model provides a kind of bid procurement information calibration circuit, including signal input circuit, rectification comparison circuit and push-pull output circuit, characterized by, the signal input circuit receives the control terminal in the bid procurement information management system and receives the signal of data signal with the signal transmission channel internal input end, use triode Q1, triode Q2 and resistance R5 to constitute differential amplifier circuit to signal differential amplification processing, the signal that the signal input circuit output is received to the rectification comparison circuit, and use fortune amplifier AR1 and fortune amplifier AR2, resistance R7, electric capacity C1 constitute the rectifier circuit and rectify the signal, use triode Q3~ triode Q6 to constitute the frequency modulation circuit to signal frequency modulation, and use comparator AR3 to compare processing frequency modulation circuit and rectifier circuit output signal, stabilize the signal static operating point, wherein use variable resistance RW1 and triode Q7 to feed back the output signal potential of regulation circuit, finally the output circuit triode Q8 of the output circuit, triode Q9 and diode D3, diode D4 constitutes the application circuit and prevents the cross-bid procurement information transmission channel internal output signal distortion, the push-pull-push-pull output circuit is the control signal after the control signal transmission channel is received by the steady voltage stabilizing circuit;
    the rectification comparison circuit comprises an operational amplifier AR, wherein the reverse phase input end of the operational amplifier AR is connected with the output end of the operational amplifier AR, the end of a resistor R, the end of the resistor R and the 0 end of the resistor R, the collector electrode of a triode Q and the emitter electrode of the triode Q, the other 1 end of the resistor R is connected with the base electrode of the triode Q, the output end of the operational amplifier AR and the 2 end of the resistor R, and the anode of a diode D, the other 3 end of the resistor R is connected with the non-phase input end of the operational amplifier AR, the reverse phase input end of the operational amplifier AR is connected with the end of the resistor R and the end of a capacitor C, the other ends of the resistor R and the capacitor C are grounded, the collector electrode of the triode Q is connected with the base electrode of the triode Q, the base electrode of the triode Q and the other end of the resistor R, the emitter electrode of the triode Q and the collector electrode of the triode Q are grounded, the emitter electrode of the triode Q is connected with the base electrode of the triode Q, the emitter electrode of the non-phase input end of the operational amplifier AR and the collector electrode of the variable resistor Q, the contact 2 end of the variable resistor R and the collector electrode of the operational amplifier R are connected with the non-phase input end of the collector electrode of the.
  2. 2. The bid procurement information calibration circuit as claimed in claim 1, wherein, the push-pull output circuit includes diode D3, the negative pole of diode D3 connects the negative pole of diode D4 and the output terminal of operational amplifier AR3, the positive pole of diode D3 connects the base of triode Q9, of resistor R14, the collector of triode Q9 and the other of resistor R14 connect with +10V, the emitter of triode Q9 connects with the emitter of triode Q8 and resistor R15, of resistor R16 and the negative pole of stabilivolt D5, the base of triode Q8 connects with the positive pole of diode D4 and of resistor R13, the collector of triode Q8 connects with resistor R13, the other of resistor R15 and the power-10V, the positive pole of stabilivolt D5 connects with ground, the other of resistor R16 connects with the signal output port.
  3. 3. The bid procurement information calibration circuit as claimed in claim 1, wherein the signal input circuit comprises a transistor Q1, a base of the transistor Q1 is connected to the end of a resistor R2, the other end of the resistor R2 is connected to the end of a resistor R1, the cathode of a regulator D1 and a signal input port, the anode of a regulator D1 is grounded, the emitter of the transistor Q1 is connected to the emitter of the transistor Q2, the end of a resistor R5 and the non-inverting input end of an operational amplifier AR2, the base of the transistor Q2 is connected to the end of the resistor R6, the other end of the resistors R1, R5 and R6 is grounded, the collector of the transistor Q1 is connected to the end of a resistor R3, the collector of the transistor Q2 is connected to the end of the resistor R4 and the non-inverting input end of the operational amplifier AR1, and the other end of the resistors R3 and R4 is connected.
CN201811453164.4A 2018-11-30 2018-11-30 bidding procurement information calibration circuit Active CN109347513B (en)

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CN109905339B (en) * 2019-02-28 2021-07-09 闫巧琴 Signal compensation circuit for information library
CN109938771A (en) * 2019-03-30 2019-06-28 河南省省立医院有限公司 Three-dimensional basin baselap acoustic image processing control system
CN110460796B (en) * 2019-08-30 2021-04-27 中瑞恒（北京）科技有限公司 Industrial equipment operation monitoring signal regulating circuit
CN111245456B (en) * 2020-03-01 2020-10-02 北京瞭望神州科技有限公司 Service management system based on big data
CN111181497B (en) * 2020-03-30 2021-03-12 江苏省五环水务工程有限公司 Sewage treatment monitoring system based on block chain
CN111366903B (en) * 2020-04-03 2020-11-03 河南华兴通信技术有限公司 Radar channel transmission calibration system
CN111476992B (en) * 2020-05-08 2021-06-08 中国北方车辆研究所 Bearing rotating speed signal regulating circuit in electrical equipment

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CN108615349A (en) * 2018-07-27 2018-10-02 黄河科技学院 Agricultural greenhouse data transmission system based on internet of things

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CN207081792U (en) * 2017-06-26 2018-03-09 西安交通大学 A kind of Multi-parameter Data Acquisition device of winding deformation fault finding system
CN207369057U (en) * 2017-09-16 2018-05-15 江苏永动国骥网络科技股份有限公司 Many intelligence network exact demands and precisely supply intelligent management system
CN108269393B (en) * 2018-02-11 2020-05-01 青岛市中心医院 Signal calibration circuit of medical remote monitoring system
CN108494418B (en) * 2018-03-09 2020-08-28 瑞安市虹宇科技有限公司 Big data signal calibration circuit

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CN108615349A (en) * 2018-07-27 2018-10-02 黄河科技学院 Agricultural greenhouse data transmission system based on internet of things

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