CN111082818A - Internet carrier signal regulating circuit - Google Patents
Internet carrier signal regulating circuit Download PDFInfo
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- CN111082818A CN111082818A CN202010023801.5A CN202010023801A CN111082818A CN 111082818 A CN111082818 A CN 111082818A CN 202010023801 A CN202010023801 A CN 202010023801A CN 111082818 A CN111082818 A CN 111082818A
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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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
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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
- H04B1/02—Transmitters
- H04B1/04—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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
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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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses an internet carrier signal adjusting circuit, which comprises a waveform acquisition module and a detection and frequency modulation module, wherein the waveform acquisition module acquires the carrier signal waveform of an internet node signal transmitter by using a waveform collector J1 with the model number of AD8318, the detection and frequency modulation module selects a peak value signal by using a peak value circuit consisting of an operational amplifier AR1, a diode D2 and a diode D3, compares the signal by using an operational amplifier AR2 and inputs the signal into the non-inverting input end of the operational amplifier AR3, and adjusts the signal frequency by using a frequency modulation circuit consisting of a capacitor C2, a capacitor C3 and an inductor L4, a noise reduction circuit consisting of the operational amplifier AR4 and a triode Q3 is used for reducing the signal noise ratio and then inputs the signal into the non-inverting input end of the operational amplifier AR3, and finally the non-inverting amplified signal of the operational amplifier AR3 is sent into an internet node signal receiver by a signal, and converting the signal into a compensation calibration signal of the internet node signal receiver.
Description
Technical Field
The invention relates to the technical field of circuits, in particular to an internet carrier signal regulating circuit.
Background
At present, the internet develops rapidly, and the signal transmission that the internet adopted is mostly carrier signal, but carrier signal can accumulate the noise in wireless transmission module, especially when a certain period of time, when internet transmission signal is great, user's internet received signal time delay phenomenon can appear more, leads to the signal failure that signal control terminal received, appears wrong signal even, seriously influences internet carrier signal transmission effect.
Disclosure of Invention
In view of the above situation, and in order to overcome the drawbacks of the prior art, an object of the present invention is to provide an internet carrier signal adjusting circuit, which has the characteristics of ingenious design and humanized design, and can calibrate a carrier signal of an internet node signal transmitter and convert the carrier signal into a compensation calibration signal of an internet node signal receiver.
The technical scheme includes that the internet carrier signal adjusting circuit comprises a waveform collecting module and a detection frequency modulation module, wherein the waveform collecting module collects the carrier signal waveform of an internet node signal transmitter by using a waveform collector J1 with the model number of AD8318, one path of the detection frequency modulation module uses a peak circuit consisting of an operational amplifier AR1, a diode D2 and a diode D3 to screen out a peak signal, simultaneously uses an operational amplifier AR2 to compare the signal and then inputs the signal into an in-phase input end of an operational amplifier AR3, the other path of the detection frequency modulation module uses a capacitor C2, a capacitor C3 and an inductor L4 to form a frequency modulation circuit to adjust the signal frequency, simultaneously uses a noise reduction circuit consisting of an operational amplifier AR4 and a triode Q3 to reduce the signal noise ratio and then inputs the signal frequency into an in-phase input end of the operational amplifier AR3, uses a triode Q2 and a triode Q4 to detect the potential difference of, and finally, the operational amplifier AR3 amplifies the signals in phase and sends the amplified signals to the internet node signal receiver through the signal transmitter E1.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1. the frequency modulation circuit is formed by a capacitor C2, a capacitor C3 and an inductor L4 to adjust the signal frequency, the noise reduction circuit is formed by an operational amplifier AR4 and a triode Q3 to reduce the signal-to-noise ratio and then the noise reduction circuit is input into the in-phase input end of the operational amplifier AR3, the peak signal frequency modulation and the peak signal screening are output by the waveform acquisition module, the peak signal screening can be used for ensuring the filtering of the peak signal in the signal, the frequency modulation effect on the signal can be realized, the signal can be synchronously adjusted, the interference signals of the signal caused by the signal adjustment can be ensured, and the reliability is high;
2. the triode Q2 and the triode Q4 are used for detecting the potential difference of the two paths of signals, the potential difference is discharged to the ground end through the resistor R8, the effect of the two paths of signals is adjusted, the accuracy of the compensation calibration signal is ensured, and finally the operational amplifier AR3 amplifies the signals in phase and then sends the amplified signals to the internet node signal receiver through the signal transmitter E1, namely the compensation calibration signal of the internet node signal receiver, the signals received by the internet node signal receiver are adjusted, and the signal noise is reduced.
Drawings
Fig. 1 is a detection frequency modulation block diagram of the internet carrier signal conditioning circuit of the present invention.
Fig. 2 is a block diagram of a waveform acquisition of an internet carrier signal conditioning circuit of the present invention.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1-2. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
In the first embodiment, the internet carrier signal adjusting circuit comprises a waveform acquisition module and a detection frequency modulation module, the waveform acquisition module adopts a waveform collector J1 with the model number of AD8318 to acquire the carrier signal waveform of the signal emitter of the internet node, one path of the detection frequency modulation module utilizes an operational amplifier AR1, a diode D2 and a diode D3 to form a peak circuit to screen out a peak signal, meanwhile, the operational amplifier AR2 is used for comparing signals and inputting the signals into the non-inverting input end of the operational amplifier AR3, the two paths of signals use a capacitor C2, a capacitor C3 and an inductor L4 to form a frequency modulation circuit for adjusting the signal frequency, meanwhile, an operational amplifier AR4 and a triode Q3 are used to form a noise reduction circuit to reduce the signal-to-noise ratio and then input the noise reduction circuit into the non-inverting input end of an operational amplifier AR3, the triode Q2 and the triode Q4 are used for detecting the potential difference of the two paths of signals, the two paths of signals are discharged to the ground end through the resistor R8, the effect of the two paths of signals is adjusted, and finally the operational amplifier AR3 amplifies the signals in phase and sends the amplified signals to the internet node signal receiver through the signal emitter E1;
the detection frequency modulation module receives the output signal of the waveform acquisition module, one path of the detection frequency modulation module utilizes an operational amplifier AR1, a diode D2 and a diode D3 to form a peak value circuit to screen out a peak value signal, the operational amplifier AR2 in-phase input end and an output end signal are limited by the diode D2 and the diode D3 to screen out the peak value signal, meanwhile, the operational amplifier AR2 is utilized to compare the signals and then input the signals into the in-phase input end of the operational amplifier AR3, the other path of the detection frequency modulation module utilizes a capacitor C2, a capacitor C3 and an inductor L4 to form a frequency modulation circuit to adjust the signal frequency, meanwhile, the operational amplifier AR4 and a triode Q3 are utilized to form a noise reduction circuit to reduce the signal noise ratio and then input the signals into the in-phase input end of the operational amplifier AR3, the peak value signal and the peak value signal are screened out of the waveform, interference signals of signals caused by signal adjustment can be guaranteed, the triode Q2 and the triode Q4 are used for detecting potential differences of two paths of signals, the signals are discharged to the ground end through the resistor R8, the effect of spikes of the two paths of signals is adjusted, the accuracy of compensation calibration signals is guaranteed, and finally the operational amplifier AR3 amplifies the signals in phase and then sends the amplified signals to the internet node signal receiver through the signal transmitter E1, namely the compensation calibration signals of the internet node signal receiver, the signals received by the internet node signal receiver are adjusted, and signal noise is reduced;
the detection frequency modulation module has a specific structure that a non-inverting input end of an operational amplifier AR1 is connected with an anode of a diode D2, a base of a transistor Q1 and one end of an inductor L4, a resistor R2 and a capacitor C2, an inverting input end of the operational amplifier AR1 is connected with one end of a resistor R1, the other end of the resistor R1 is grounded, an output end of the operational amplifier AR1 is connected with a cathode of the diode D1 and an anode of the diode D1, a cathode of the diode D1 is connected with a non-inverting input end of the operational amplifier AR1, an inverting input end of the operational amplifier AR1 is connected with the other end of the resistor R1 and a base of the transistor Q1, a collector of the transistor Q1 is connected with +5V, one end of the transistor Q1 is connected with an emitter resistor R1, one end of the capacitor C1 and the other end of the capacitor C1, the other end of the capacitor C1 is connected with the other end of the resistor R1, one end of the resistor R1 and the other end of the inductor L36, an emitter of the transistor Q2 is connected to an emitter of the transistor Q4 and one end of the resistor R8, the other end of the resistor R8 is grounded, an output of the operational amplifier AR2 is connected to a collector of the transistor Q4 and one end of the resistor R13, the other end of the resistor R5 is connected to a non-inverting input terminal of the operational amplifier AR4 and one end of the capacitor C6, an inverting input terminal of the operational amplifier AR 6 is connected to the other end of the resistor R6 and one end of the resistor R6, the other end of the resistor R6 is connected to a base of the transistor Q6, a collector of the transistor Q6 is connected to an output terminal of the operational amplifier AR 6 and the other end of the capacitor C6, an emitter of the transistor Q6 is connected to one end of the capacitor C6 and the other end of the resistor R6 and the non-inverting input terminal of the operational amplifier AR 6, the other end of the resistor R6 is connected to the ground, and the other end of the operational amplifier AR 6 is connected to the signal emitter E6.
On the basis of the scheme, the waveform acquisition module adopts a waveform collector J1 with the model number of AD8318 to acquire the carrier signal waveform of the internet node signal transmitter, a voltage stabilizing tube D1 is used for stabilizing voltage, the power supply end of the waveform collector J1 is connected with +5V, the grounding end of the waveform collector J1 is grounded, the output end of the waveform collector J1 is connected with one end of a resistor R1 and the negative electrode of a voltage stabilizing tube D1, the positive electrode of the voltage stabilizing tube D1 is grounded, the other end of the resistor R1 is connected with one end of a capacitor C1 and the non-inverting input end of an operational amplifier AR1, and the other end of the capacitor C1 is grounded.
When the invention is used in particular, the internet carrier signal regulating circuit comprises a waveform collecting module and a detection frequency modulation module, wherein the waveform collecting module collects the carrier signal waveform of an internet node signal transmitter by using a waveform collector J1 with the model number of AD8318, one path of the detection frequency modulation module utilizes a peak circuit consisting of an operational amplifier AR1, a diode D2 and a diode D3 to screen out a peak signal, a diode D2 and a diode D3 are utilized to limit the peak signal at the in-phase input end and the output end of an operational amplifier AR2, namely the peak signal is screened out, the operational amplifier AR2 is utilized to compare the signal and input the signal into the in-phase input end of an operational amplifier AR3, the other path of the detection frequency modulation module utilizes a frequency modulation circuit consisting of a capacitor C2, a capacitor C3 and an inductor L4 to regulate the signal frequency, a noise reduction circuit consisting of an operational amplifier AR4 and a triode Q3 is utilized to reduce the signal noise ratio and input the, both can utilize the screening peak signal to guarantee the spike signal in the filtering signal, can realize the effect to the frequency modulation of signal again, and go on in step, can guarantee that the signal adjusts the signal that leads to respectively and appears interfering signal, and application triode Q2, triode Q4 detects two way signal potential differences, discharge to the ground end through resistance R8, adjust the effect of two way signal spikes, guarantee the accuracy of compensation calibration signal, at last fortune ware AR3 is in-phase to amplify in the signal back through signal transmitter E1 and send to internet node signal receiver in, also be internet node signal receiver's compensation calibration signal, adjust the signal that internet node signal receiver received, reduce signal noise.
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 (2)
1. The internet carrier signal adjusting circuit comprises a waveform acquisition module and a detection frequency modulation module, and is characterized in that the waveform acquisition module acquires the carrier signal waveform of an internet node signal transmitter by using a waveform collector J1 with the model number of AD8318, the detection frequency modulation module filters a peak signal by using a peak circuit formed by an operational amplifier AR1, a diode D2 and a diode D3, compares the signal by using an operational amplifier AR2 and inputs the signal into an in-phase input end of an operational amplifier AR3, adjusts the signal frequency by using a frequency modulation circuit formed by a capacitor C2, a capacitor C3 and an inductor L4, reduces the signal noise ratio by using a noise reduction circuit formed by the operational amplifier AR4 and a triode Q3, inputs the signal into an in-phase input end of the operational amplifier AR3, detects the potential difference of two paths of signals by using a triode Q2 and a triode Q4, releases the signal to the ground end through a resistor R8 to adjust the peak effect of the two paths of the signals, finally, the operational amplifier AR Internal;
the detection frequency modulation module comprises an operational amplifier AR1, wherein the non-inverting input end of the operational amplifier AR1 is connected with the anode of a diode D2, the base of a transistor Q1 and one end of an inductor L1, a resistor R1 and one end of a capacitor C1, the inverting input end of the operational amplifier AR1 is connected with one end of the resistor R1, the other end of the resistor R1 is grounded, the output end of the operational amplifier AR1 is connected with the cathode of the diode D1 and the anode of the diode D1, the cathode of the diode D1 is connected with the non-inverting input end of the operational amplifier AR1, the inverting input end of the operational amplifier AR1 is connected with the other end of the resistor R1 and the base of the transistor Q1, the collector of the transistor Q1 is connected with the resistor R1, one end of the capacitor C1 and the other end of the capacitor C1, the other end of the resistor R1 and the other end of the resistor R1, one end of the resistor R1 and one end of the base of the transistor Q1, the collector, an emitter of the transistor Q2 is connected to an emitter of the transistor Q4 and one end of the resistor R8, the other end of the resistor R8 is grounded, an output of the operational amplifier AR2 is connected to a collector of the transistor Q4 and one end of the resistor R13, the other end of the resistor R5 is connected to a non-inverting input terminal of the operational amplifier AR4 and one end of the capacitor C6, an inverting input terminal of the operational amplifier AR 6 is connected to the other end of the resistor R6 and one end of the resistor R6, the other end of the resistor R6 is connected to a base of the transistor Q6, a collector of the transistor Q6 is connected to an output terminal of the operational amplifier AR 6 and the other end of the capacitor C6, an emitter of the transistor Q6 is connected to one end of the capacitor C6 and the other end of the resistor R6 and the non-inverting input terminal of the operational amplifier AR 6, the other end of the resistor R6 is connected to the ground, and the other end of the operational amplifier AR 6 is connected to the signal emitter E6.
2. The internet carrier signal conditioning circuit according to claim 1, wherein the waveform acquisition module comprises a waveform collector J1 with a model number AD8318, a power supply end of a waveform collector J1 is connected with +5V, a ground end of the waveform collector J1 is grounded, an output end of the waveform collector J1 is connected with one end of a resistor R1 and a cathode of a voltage regulator tube D1, an anode of the voltage regulator tube D1 is grounded, the other end of the resistor R1 is connected with one end of a capacitor C1 and a non-inverting input end of an operational amplifier AR1, and the other end of the capacitor C1 is grounded.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010023801.5A CN111082818B (en) | 2020-01-09 | 2020-01-09 | Internet carrier signal regulating circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010023801.5A CN111082818B (en) | 2020-01-09 | 2020-01-09 | Internet carrier signal regulating circuit |
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| CN111082818A true CN111082818A (en) | 2020-04-28 |
| CN111082818B CN111082818B (en) | 2020-09-25 |
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