CN113242095A - Computer electronic communication system - Google Patents
Computer electronic communication system Download PDFInfo
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- CN113242095A CN113242095A CN202110724399.8A CN202110724399A CN113242095A CN 113242095 A CN113242095 A CN 113242095A CN 202110724399 A CN202110724399 A CN 202110724399A CN 113242095 A CN113242095 A CN 113242095A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
- H04B17/17—Detection of non-compliance or faulty performance, e.g. response deviations
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Abstract
The invention discloses a computer electronic communication system, which is provided with a frequency input circuit, a data volume input circuit, a reference signal input circuit and a compensation transmitting circuit, wherein when a transmitting module in the computer electronic communication system is abnormal, a signal can not be normally transmitted or the transmitted data volume is too low, an operational amplifier AR6 outputs a negative signal, the absolute value of the amplitude of the negative signal is larger than 0.7V, a power supply +5V triggers a signal transmitter E2 to work, an abnormal signal is transmitted to a control terminal of the computer electronic communication system, the control terminal displays the abnormality of the corresponding transmitting module to remind related personnel to overhaul or replace the transmitting module in time, similarly, when the amplitude of the signal output by the operational amplifier AR6 is between-0.7V and +0.7V, the signal is a normal signal, and at the moment, a diode D7 and a diode D8 are not conducted, the states of the frequency signal and the data volume signal of the transmitting module in the computer electronic communication can be monitored, and analyzing and judging the states of the frequency signal and the data quantity signal, and feeding back the states to the control terminal in time to respond.
Description
Technical Field
The invention relates to the technical field of electronic communication, in particular to an electronic communication system of a computer.
Background
At present, with the rapid development of computer electronic technology, the scenes of asynchronous communication between systems are more and more, the information transmission of computer electronic communication is more and more complicated, especially under the condition of rapid increase of traffic, and the asynchronous communication is not uniform in specification, a large amount of information can be sent by the asynchronous communication in the computer electronic communication, so that the receiving and processing of the asynchronous communication are not in time, even exceed the upper limit of the processing frequency of the asynchronous communication, a great burden can be caused on the system, and the system response is slowed down.
Disclosure of Invention
The invention provides a computer electronic communication system which can monitor the states of a frequency signal and a data quantity signal of a transmitting module in computer electronic communication, analyze and judge the states of the frequency signal and the data quantity signal, and feed back the states to a control terminal in time to respond.
The technical scheme includes that the device comprises a frequency input circuit, a data volume input circuit, a reference signal input circuit and a compensation transmitting circuit, wherein the frequency input circuit receives a frequency analog signal of a transmitting module in computer electronic communication, the frequency analog signal is a frequency signal of a modulating signal of the transmitting module, and the frequency signal is converted into an analog voltage signal and defined as the frequency analog signal;
the data volume input circuit receives and receives a data analog signal of a transmitting module in computer electronic communication, the frequency analog signal is a data volume signal of a modulating signal of the transmitting module, and the data volume signal is converted into an analog voltage signal and defined as a frequency analog signal; the reference signal input circuit receives a rated reference signal of the difference value of the frequency analog signal and the data analog signal;
the compensation transmitting circuit uses an operational amplifier AR5, a resistor R19 and a resistor R20 to form a first subtraction circuit to calculate the difference value of output signals of the frequency input circuit and the data volume input circuit, uses an operational amplifier AR6, a resistor R12 and a resistor R21 to form a second subtraction circuit to calculate the difference value of output signals of an operational amplifier AR5 and output signals of the reference signal input circuit, and uses a diode D7, a diode D8, a triode Q3 and a triode Q4 to judge output signals of the operational amplifier AR6, wherein a silicon controlled diode D3 detects abnormal and overlarge signals output by the operational amplifier AR5 and controls a signal transmitter E1 to be sent to a control terminal of a computer electronic communication system;
the compensation transmitting circuit comprises an operational amplifier AR5, wherein the in-phase input end of the operational amplifier AR5 is connected with the signal output port of the frequency input circuit, the reverse-phase input end of the operational amplifier AR5 is connected with one end of a resistor R19 and a resistor R20, the other end of a resistor R19 is connected with the signal output port of the data quantity input circuit, the output end of the operational amplifier AR5 is connected with the other end of a resistor R20, the in-phase input end of the operational amplifier AR6 and the control electrode of a thyristor D3, the anode of the thyristor D3 is connected with one end of a resistor R7, the other end of the resistor R7 is connected with a power supply +5V, the cathode of the thyristor D3 is connected with the base of a triode Q2 and one end of a resistor R10, the other end of a resistor R10 is connected with the signal transmitter E1, the collector of a triode Q2 is connected with one end of a resistor R8, the other end of the resistor R8 is connected with one end of the emitter of the resistor R2, the emitter of the resistor R9, the other end of the resistor R9 is connected with one end of the resistor R12 and the signal output port of the reference signal input circuit, the other end of the resistor R12 is connected with the inverting input end of the amplifier AR6, the base electrode of the triode Q1 and one end of the resistor R21, the collector electrode of the triode Q1 is connected with one end of the resistor R11, the other end of the resistor R11 is connected with the power supply +3V, and the emitter electrode of the triode Q1 is connected with the output end of the amplifier AR6, the other end of the resistor R21, the negative electrode of the diode D7 and the positive electrode of the diode D8;
the anode of the diode D7 is connected to the inverting input terminal of the amplifier AR7, the non-inverting input terminal of the amplifier AR7 is connected to one end of the resistor R16, the other end of the resistor R16 is connected to the output terminal of the amplifier AR7 and the base of the transistor Q3, the collector of the transistor Q3 is connected to one end of the resistor R15, the other end of the resistor R15 is connected to +5V, the emitter of the transistor Q3 is connected to the signal emitter E2, the cathode of the diode D8 is connected to the base of the transistor Q4, the collector of the transistor Q4 is connected to one end of the resistor R17, the other end of the resistor R17 is connected to +5V, the emitter of the transistor Q4 is connected to one end of the resistor R18, and the other end of the resistor 539R 18 is connected to the signal emitter E3.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1. when the difference signal output by the operational amplifier AR5 is too large, the thyristor D3 is triggered to be switched on, the frequency signal of the modulation signal of the emission module is abnormal at the moment, and the control terminal of the computer electronic communication system receives the signal of the signal emitter E1 and immediately controls the corresponding emission module to stop working; when asynchronous communication in computer electronic communication sends a large amount of information, so that asynchronous communication receiving processing is not in time, even the asynchronous communication receiving processing exceeds the upper limit of asynchronous communication processing frequency, the operational amplifier AR6 outputs a positive signal, the positive signal is greater than 0.7V, the diode D8 triggers the triode Q4 to be conducted, the power supply +5V triggers the signal emitter E3 to work, and the control terminal controls the corresponding emitting module to delay and send the signal so as to relieve the receiving module from processing the signal;
2. when a transmitting module in a computer electronic communication system is abnormal, a signal cannot be normally transmitted or the transmitted data volume is too low, at the moment, an operational amplifier AR6 outputs a negative signal, the absolute value of the amplitude of the negative signal is greater than 0.7V, a power supply +5V triggers a signal transmitter E2 to work, the abnormal signal is transmitted to a control terminal of the computer electronic communication system, the control terminal displays that the corresponding transmitting module is abnormal, related personnel are reminded of overhauling or replacing the transmitting module in time, similarly, when the amplitude of the signal output by the operational amplifier AR6 is between-0.7V and +0.7V, the abnormal signal is a normal signal, at the moment, a diode D7 and a diode D8 are not conducted, the states of a transmitting module frequency signal and a data volume signal in computer electronic communication can be monitored, the states of the frequency signal and the data volume signal are analyzed and judged, and the frequency signal and the data volume signal are timely fed back to the control terminal to respond.
Drawings
FIG. 1 is a diagram of a compensating transmission circuit of a computer electronic communication system according to the present invention.
FIG. 2 is a circuit diagram of a frequency input circuit of the computer electronic communication system according to the present invention.
FIG. 3 is a circuit diagram of a data input circuit of a computer electronic communication system according to the present invention.
FIG. 4 is a circuit diagram of a reference signal input circuit of the computer electronic communication system according to the present invention.
Detailed Description
The foregoing and other technical and scientific aspects, features and utilities 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. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Because the asynchronous communication signal transmitting module and the receiving module in the computer electronic communication system are not synchronous, in order to solve the problem that the asynchronous communication receiving processing is not in time, even exceeds the upper limit of the asynchronous communication processing frequency, and can cause a large burden to the system, and the system response is slowed down, firstly, a frequency input circuit, a data volume input circuit, a reference signal input circuit and a compensation transmitting circuit are arranged, wherein the frequency input circuit can select a frequency collector with the model of RHA-UA306A to collect the signal frequency of the transmitting module in the computer electronic communication, the signal frequency is also a frequency analog signal, the frequency analog signal is a frequency signal of a modulating signal of the transmitting module, and the frequency signal is converted into an analog voltage signal which is defined as a frequency analog signal;
the data volume input circuit selects a data acquisition device with model number LW MA7108C to acquire a data analog signal of a transmitting module in computer electronic communication, the frequency analog signal is a data volume signal of a modulating signal of the transmitting module, and the data volume signal is converted into an analog voltage signal and defined as a frequency analog signal; the reference signal input circuit receives a rated reference signal of the difference value of the frequency analog signal and the data analog signal, and the rated reference signal is set by artificial calculation according to different types of computer electronic communication systems.
In order to further ensure the accuracy of the difference value between the frequency analog signal and the data analog signal, the frequency input circuit uses an operational amplifier AR1 to buffer the signal and play a role of smoothing the signal, then uses an operational amplifier AR3, a diode D1 and a diode D2 to form a peak value circuit to screen a peak value positive signal, similarly, the data volume input circuit uses an operational amplifier AR2 to buffer the signal and play a role of smoothing the signal, and then uses an operational amplifier AR4, a diode D4 and a diode D5 to form a peak value circuit to screen a peak value positive signal in order to unify the signal type with the data volume input circuit and improve the accuracy of the difference value between the frequency analog signal and the data analog signal; the reference signal input circuit receives a rated reference signal of the difference value of the frequency analog signal and the data analog signal, a filter circuit consisting of an inductor L2, a capacitor C2 and a capacitor C3 is used for filtering the signals, and a diode D6 is used for inputting the signals into the compensation transmitting circuit.
In the computer electronic communication system, the amplitude of the signal output by the frequency input circuit is greater than the amplitude of the signal output by the data input circuit, so that the compensation transmitting circuit uses an operational amplifier AR5, a resistor R19 and a resistor R20 to form a first subtraction circuit to calculate the difference between the output signals of the frequency input circuit and the data input circuit, the difference is positive, when the difference signal output by the operational amplifier AR5 is too large, a silicon controlled rectifier D3 is triggered to be switched on, a power supply +5V is switched on, a signal transmitter E1 is triggered to be transmitted into a control terminal of the computer electronic communication system, the frequency signal representing the modulation signal of a transmitting module is abnormal, the asynchronous communication transmission of the computer electronic communication system needs to be temporarily stopped immediately, the control terminal of the computer electronic communication system receives the signal transmitter E1 and immediately controls the corresponding transmitting module to stop working, when the frequency of the modulation signal is normal, the thyristor D3 is not conducted, the transmitting module normally works, and in order to prevent the operational amplifier AR5 from outputting an abnormally high amplitude to damage the circuit, when the thyristor D3 is conducted, the triode Q2 feeds back a signal to the inverting input end of the operational amplifier AR6, so that the effect of reducing the output signal of the operational amplifier AR6 is achieved;
meanwhile, an operational amplifier AR6, a resistor R12 and a resistor R21 are used for forming a second subtraction circuit to calculate the difference value between the output signal of the operational amplifier AR5 and the output signal of the reference signal input circuit, meanwhile, in order to prevent the difference value between the output signal of the reference signal input circuit and the output signal of the operational amplifier AR5 from being too large and damaging subsequent circuits, a triode Q1 is used for detecting the signal of the reverse phase input end of the operational amplifier AR6, a feedback signal is fed to the output end of the operational amplifier AR6 to play a role in balancing the output signal of the operational amplifier AR6, a diode D7, a diode D8, a triode Q3 and a triode Q35Q 4 are used for judging the output signal of the operational amplifier AR6, when asynchronous communication in computer electronic communication sends a large amount of information to cause that the receiving processing of the asynchronous communication is not in time or even exceeds the upper limit of the processing frequency of the asynchronous communication, the operational amplifier AR6 outputs a positive signal which is more than 0.7V, and the conduction of the triode Q4 is triggered by the diode D8, the power supply +5V trigger signal emitter E3 works to send an abnormal signal to the control terminal of the computer electronic communication system, and the control terminal controls the corresponding emitting module to delay the sending signal so as to relieve the processing signal of the receiving module;
on the contrary, when the transmitting module in the computer electronic communication system is abnormal, the signal cannot be normally transmitted or the transmitted data volume is too low, at this time, the output of the operational amplifier AR6 is a negative signal, the absolute value of the amplitude of the negative signal is greater than 0.7V, the negative signal is transmitted to the inverting input end of the operational amplifier AR1 through the diode D7, the operational amplifier AR7 outputs a positive signal to trigger the conduction of the triode Q3, the power supply +5V triggers the operation of the signal transmitter E2, an abnormal signal is transmitted to the control terminal of the computer electronic communication system, the control terminal displays the abnormality of the corresponding transmitting module, and related personnel are reminded to overhaul or replace the transmitting module in time;
similarly, when the amplitude of the output signal of the operational amplifier AR6 is between-0.7V and +0.7V, the output signal is a normal signal, and the diode D7 and the diode D8 are not turned on at this time, so that by adopting the above method, the states of the frequency signal and the data volume signal of the transmission module in the computer electronic communication can be monitored in real time, analyzed and judged, and fed back to the control terminal in time to respond.
The compensation transmitting circuit has a specific structure that a non-inverting input end of an operational amplifier AR5 is connected with a signal output port of the frequency input circuit, an inverting input end of the operational amplifier AR5 is connected with one end of a resistor R19 and a resistor R20, the other end of the resistor R19 is connected with the signal output port of the data quantity input circuit, an output end of the operational amplifier AR5 is connected with the other end of the resistor R20, the non-inverting input end of the operational amplifier AR6 and a control electrode of a thyristor D3, an anode of the thyristor D3 is connected with one end of a resistor R7, the other end of the resistor R7 is connected with a power supply +5V, a cathode of the thyristor D3 is connected with a base of a triode Q2 and one end of a resistor R10, the other end of a resistor R10 is connected with a signal emitter E1, a collector of the triode Q2 is connected with one end of a resistor R8, the other end of a resistor R8 is connected with a power supply +3V, one end of an emitter resistor R9 of a triode Q2, the other end of the resistor R9 is connected with one end of the resistor R12 and the signal output port of the reference signal input circuit, the other end of the resistor R12 is connected with the inverting input end of the amplifier AR6, the base electrode of the triode Q1 and one end of the resistor R21, the collector electrode of the triode Q1 is connected with one end of the resistor R11, the other end of the resistor R11 is connected with the power supply +3V, and the emitter electrode of the triode Q1 is connected with the output end of the amplifier AR6, the other end of the resistor R21, the negative electrode of the diode D7 and the positive electrode of the diode D8;
the anode of the diode D7 is connected to the inverting input terminal of the amplifier AR7, the non-inverting input terminal of the amplifier AR7 is connected to one end of the resistor R16, the other end of the resistor R16 is connected to the output terminal of the amplifier AR7 and the base of the transistor Q3, the collector of the transistor Q3 is connected to one end of the resistor R15, the other end of the resistor R15 is connected to +5V, the emitter of the transistor Q3 is connected to the signal emitter E2, the cathode of the diode D8 is connected to the base of the transistor Q4, the collector of the transistor Q4 is connected to one end of the resistor R17, the other end of the resistor R17 is connected to +5V, the emitter of the transistor Q4 is connected to one end of the resistor R18, and the other end of the resistor 539R 18 is connected to the signal emitter E3.
The frequency input circuit comprises an operational amplifier AR1, wherein the in-phase input end of the operational amplifier AR1 is connected with a frequency analog signal input port, the reverse-phase input end of the operational amplifier AR1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with one end of a resistor R2 and the output end of the operational amplifier AR1, the other end of the resistor R2 is connected with the in-phase input end of the operational amplifier AR3 and the anode of a diode D1, the reverse-phase input end of the operational amplifier AR3 is connected with one end of a resistor R3, the other end of the resistor R3 is grounded, the output end of the operational amplifier AR3 is connected with the cathode of a diode D1 and the anode of a diode D2, and the cathode of a diode D2 is connected with the in-phase input end of the operational amplifier AR 5; the data volume input circuit comprises an operational amplifier AR2, wherein the in-phase input end of the operational amplifier AR2 is connected with a data volume signal input port, the reverse-phase input end of the operational amplifier AR2 is connected with one end of a resistor R4, the other end of the resistor R4 is connected with one end of a resistor R5 and the output end of the operational amplifier AR2, the other end of the resistor R5 is connected with the in-phase input end of the operational amplifier AR4 and the anode of a diode D4, the reverse-phase input end of the operational amplifier AR4 is connected with one end of a resistor R6, the other end of the resistor R6 is grounded, the output end of the operational amplifier AR4 is connected with the cathode of the diode D4 and the anode of the diode D5, and the cathode of the diode D5 is connected with the other end of the resistor R19; the reference signal input circuit comprises a resistor R14, one end of a resistor R14 is connected with a reference signal input port, the other end of the resistor R14 is connected with one ends of an inductor L2 and a capacitor C2, the other end of the inductor L2 is connected with one end of a resistor R13, one end of a capacitor C3 and the other end of a capacitor C2, the other end of a resistor R13 is connected with the other end of the capacitor C3 and the anode of a diode D6, and the cathode of the diode D6 is connected with the other end of a resistor R9.
When the frequency acquisition device is used specifically, a frequency input circuit, a data volume input circuit, a reference signal input circuit and a compensation transmitting circuit are firstly arranged, the frequency input circuit can select a frequency acquisition device with the model of RHA-UA306A to acquire the signal frequency of a transmitting module in computer electronic communication, the signal frequency is also a frequency analog signal, the frequency analog signal is a frequency signal of a modulating signal of the transmitting module, and the frequency signal is converted into an analog voltage signal and defined as a frequency analog signal; the data volume input circuit selects a data acquisition device with model number LW MA7108C to acquire a data analog signal of a transmitting module in computer electronic communication, the frequency analog signal is a data volume signal of a modulating signal of the transmitting module, and the data volume signal is converted into an analog voltage signal and defined as a frequency analog signal; the reference signal input circuit receives a rated reference signal of the difference value of the frequency analog signal and the data analog signal, and the rated reference signal is set by artificial calculation according to different types of computer electronic communication systems.
In the computer electronic communication system, the amplitude of the signal output by the frequency input circuit is greater than the amplitude of the signal output by the data input circuit, so that the compensation transmitting circuit uses an operational amplifier AR5, a resistor R19 and a resistor R20 to form a first subtraction circuit to calculate the difference between the output signals of the frequency input circuit and the data input circuit, the difference is positive, when the difference signal output by the operational amplifier AR5 is too large, a silicon controlled rectifier D3 is triggered to be switched on, a power supply +5V is switched on, a signal transmitter E1 is triggered to be transmitted into a control terminal of the computer electronic communication system, the frequency signal representing the modulation signal of a transmitting module is abnormal, the asynchronous communication transmission of the computer electronic communication system needs to be temporarily stopped immediately, the control terminal of the computer electronic communication system receives the signal transmitter E1 and immediately controls the corresponding transmitting module to stop working, when the frequency of the modulation signal is normal, the thyristor D3 is not conducted, the transmitting module normally works, and in order to prevent the operational amplifier AR5 from outputting an abnormally high amplitude to damage the circuit, when the thyristor D3 is conducted, the triode Q2 feeds back a signal to the inverting input end of the operational amplifier AR6, so that the effect of reducing the output signal of the operational amplifier AR6 is achieved;
meanwhile, an operational amplifier AR6, a resistor R12 and a resistor R21 are used for forming a second subtraction circuit to calculate the difference value between the output signal of the operational amplifier AR5 and the output signal of the reference signal input circuit, meanwhile, in order to prevent the difference value between the output signal of the reference signal input circuit and the output signal of the operational amplifier AR5 from being too large and damaging subsequent circuits, a triode Q1 is used for detecting the signal of the reverse phase input end of the operational amplifier AR6, a feedback signal is fed to the output end of the operational amplifier AR6 to play a role in balancing the output signal of the operational amplifier AR6, a diode D7, a diode D8, a triode Q3 and a triode Q35Q 4 are used for judging the output signal of the operational amplifier AR6, when asynchronous communication in computer electronic communication sends a large amount of information to cause that the receiving processing of the asynchronous communication is not in time or even exceeds the upper limit of the processing frequency of the asynchronous communication, the operational amplifier AR6 outputs a positive signal which is more than 0.7V, and the conduction of the triode Q4 is triggered by the diode D8, the power supply +5V trigger signal emitter E3 works to send an abnormal signal to the control terminal of the computer electronic communication system, and the control terminal controls the corresponding emitting module to delay the sending signal so as to relieve the processing signal of the receiving module;
on the contrary, when the transmitting module in the computer electronic communication system is abnormal, the transmitting module cannot normally transmit signals or the transmitting data volume is too low, at the moment, the output of the operational amplifier AR6 is a negative signal, the absolute value of the amplitude of the negative signal is greater than 0.7V, the negative signal is transmitted to the inverting input end of the operational amplifier AR1 through the diode D7, the triode Q3 is triggered to be conducted when the output signal of the operational amplifier AR7 is a positive signal, the power supply +5V trigger signal transmitter E2 works to transmit an abnormal signal to the control terminal of the computer electronic communication system, the control terminal displays the abnormality of the corresponding transmitting module to remind relevant personnel of timely overhauling or replacing the transmitting module.
While the invention has been described in further detail with reference to specific embodiments thereof, it is not intended that the invention be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.
Claims (4)
1. A computer electronic communication system is characterized by comprising a frequency input circuit, a data volume input circuit, a reference signal input circuit and a compensation transmitting circuit, wherein the frequency input circuit receives a frequency analog signal of a transmitting module in computer electronic communication, the frequency analog signal is a frequency signal of a modulating signal of the transmitting module, and the frequency signal is converted into an analog voltage signal and defined as the frequency analog signal;
the data volume input circuit receives and receives a data analog signal of a transmitting module in computer electronic communication, the frequency analog signal is a data volume signal of a modulating signal of the transmitting module, and the data volume signal is converted into an analog voltage signal and defined as a frequency analog signal; the reference signal input circuit receives a rated reference signal of the difference value of the frequency analog signal and the data analog signal;
the compensation transmitting circuit uses an operational amplifier AR5, a resistor R19 and a resistor R20 to form a first subtraction circuit to calculate the difference value of output signals of the frequency input circuit and the data volume input circuit, uses an operational amplifier AR6, a resistor R12 and a resistor R21 to form a second subtraction circuit to calculate the difference value of output signals of an operational amplifier AR5 and output signals of the reference signal input circuit, and uses a diode D7, a diode D8, a triode Q3 and a triode Q4 to judge output signals of the operational amplifier AR6, wherein a silicon controlled diode D3 detects abnormal and overlarge signals output by the operational amplifier AR5 and controls a signal transmitter E1 to be sent to a control terminal of a computer electronic communication system;
the compensation transmitting circuit comprises an operational amplifier AR5, wherein the in-phase input end of the operational amplifier AR5 is connected with the signal output port of the frequency input circuit, the reverse-phase input end of the operational amplifier AR5 is connected with one end of a resistor R19 and a resistor R20, the other end of a resistor R19 is connected with the signal output port of the data quantity input circuit, the output end of the operational amplifier AR5 is connected with the other end of a resistor R20, the in-phase input end of the operational amplifier AR6 and the control electrode of a thyristor D3, the anode of the thyristor D3 is connected with one end of a resistor R7, the other end of the resistor R7 is connected with a power supply +5V, the cathode of the thyristor D3 is connected with the base of a triode Q2 and one end of a resistor R10, the other end of a resistor R10 is connected with the signal transmitter E1, the collector of a triode Q2 is connected with one end of a resistor R8, the other end of the resistor R8 is connected with one end of the emitter of the resistor R2, the emitter of the resistor R9, the other end of the resistor R9 is connected with one end of the resistor R12 and the signal output port of the reference signal input circuit, the other end of the resistor R12 is connected with the inverting input end of the amplifier AR6, the base electrode of the triode Q1 and one end of the resistor R21, the collector electrode of the triode Q1 is connected with one end of the resistor R11, the other end of the resistor R11 is connected with the power supply +3V, and the emitter electrode of the triode Q1 is connected with the output end of the amplifier AR6, the other end of the resistor R21, the negative electrode of the diode D7 and the positive electrode of the diode D8;
the anode of the diode D7 is connected to the inverting input terminal of the amplifier AR7, the non-inverting input terminal of the amplifier AR7 is connected to one end of the resistor R16, the other end of the resistor R16 is connected to the output terminal of the amplifier AR7 and the base of the transistor Q3, the collector of the transistor Q3 is connected to one end of the resistor R15, the other end of the resistor R15 is connected to +5V, the emitter of the transistor Q3 is connected to the signal emitter E2, the cathode of the diode D8 is connected to the base of the transistor Q4, the collector of the transistor Q4 is connected to one end of the resistor R17, the other end of the resistor R17 is connected to +5V, the emitter of the transistor Q4 is connected to one end of the resistor R18, and the other end of the resistor 539R 18 is connected to the signal emitter E3.
2. The computer electronic communication system according to claim 1, wherein the frequency input circuit comprises an operational amplifier AR1, a non-inverting input terminal of the operational amplifier AR1 is connected to the frequency analog signal input port, an inverting input terminal of the operational amplifier AR1 is connected to one terminal of a resistor R1, the other terminal of the resistor R1 is connected to one terminal of a resistor R2 and an output terminal of the operational amplifier AR1, the other terminal of the resistor R2 is connected to a non-inverting input terminal of the operational amplifier AR3 and an anode of a diode D1, an inverting input terminal of the operational amplifier AR3 is connected to one terminal of a resistor R3, the other terminal of the resistor R3 is grounded, an output terminal of the operational amplifier AR3 is connected to a cathode of a diode D1 and an anode of a diode D2, and a cathode of a diode D2 is connected to a non-inverting input terminal of the operational amplifier AR 5.
3. The computer-electronic communication system according to claim 1, wherein the data input circuit comprises an operational amplifier AR2, a non-inverting input terminal of the operational amplifier AR2 is connected to the data signal input port, an inverting input terminal of the operational amplifier AR2 is connected to one terminal of a resistor R4, the other terminal of the resistor R4 is connected to one terminal of a resistor R5 and an output terminal of the operational amplifier AR2, the other terminal of the resistor R5 is connected to a non-inverting input terminal of the operational amplifier AR4 and an anode of a diode D4, an inverting input terminal of the operational amplifier AR4 is connected to one terminal of a resistor R6, the other terminal of the resistor R6 is grounded, an output terminal of the operational amplifier AR4 is connected to a cathode of a diode D4 and an anode of a diode D5, and a cathode of a diode D5 is connected to the other terminal of a resistor R19.
4. The computer-electronic communication system as claimed in claim 1, wherein the reference signal input circuit comprises a resistor R14, one end of the resistor R14 is connected to the reference signal input port, the other end of the resistor R14 is connected to one end of an inductor L2 and one end of a capacitor C2, the other end of the inductor L2 is connected to a resistor R13, one end of a capacitor C3 and the other end of a capacitor C2, the other end of the resistor R13 is connected to the other end of the capacitor C3 and the anode of a diode D6, and the cathode of the diode D6 is connected to the other end of the resistor R9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110724399.8A CN113242095B (en) | 2021-06-29 | 2021-06-29 | Computer electronic communication system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110724399.8A CN113242095B (en) | 2021-06-29 | 2021-06-29 | Computer electronic communication system |
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