CN111585584B - 5G communication cable signal transmission system - Google Patents
5G communication cable signal transmission system Download PDFInfo
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- CN111585584B CN111585584B CN202010371126.5A CN202010371126A CN111585584B CN 111585584 B CN111585584 B CN 111585584B CN 202010371126 A CN202010371126 A CN 202010371126A CN 111585584 B CN111585584 B CN 111585584B
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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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0067—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands
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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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0096—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges where a full band is frequency converted into another full band
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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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The invention discloses a 5G communication cable signal transmission system, which comprises a signal sampling module and a feedback comparison module, wherein the signal sampling module samples a 5G communication cable signal, the signal sampling module is connected with the feedback comparison module, the feedback comparison module uses an operational amplifier AR1 and a variable resistor RW2 to form an amplitude modulation circuit to adjust the amplitude of the signal, the operational amplifier AR1 outputs the amplitude of the signal through a variable resistor RW2, the divided signal is sent to the in-phase input end of an operational amplifier AR3, the operational amplifier AR2 buffers the signal and then inputs the signal to the in-phase input end of an operational amplifier AR4, the operational amplifier AR3 compares the signal to adjust the anti-phase input end of an operational amplifier AR4 to limit the amplitude of the signal output by the operational amplifier AR4, the operational amplifier AR3 and the operational amplifier AR4 play a role of comparing the signal, the operational amplifier AR3 is a first-stage amplitude limit, the operational amplifier AR4 is a second-stage, and the distortion signal in the amplitude limit filtering is realized by a method of deepening the signal depth, the terminal of the 5G communication cable signal transmission system receives signals and actively matches the 5G communication cable signal transmission frequency with the cable in time.
Description
Technical Field
The invention relates to the technical field of 5G communication, in particular to a 5G communication cable signal transmission system.
Background
The research and development heat of 5G technology around the world is high at present, mainstream standardization organizations at home and abroad recognize the urgency of 5G technology development at the present stage and make related 5G research and development plans, along with the development from 4G to 5G, the user demand is continuously improved, the indoor and outdoor data services are greatly expanded, the carrier frequency is also greatly improved, and the requirement on 5G communication cables is higher and higher on the basis of the improvement of the carrier frequency;
the traditional cable has limited information carrying capacity, once a 5G communication signal is transmitted in the cable, the signal is lost, the hardware of the cable cannot be changed at present, the current method is to widen the information carrying capacity of the cable by adjusting the signal transmission frequency of the 5G communication cable, and the signal transmission frequency of the 5G communication cable needs to be matched with the cable, so that the signal transmission quality of the 5G communication cable needs to be actively adjusted.
Disclosure of Invention
In view of the above situation, an object of the present invention is to provide a 5G communication cable signal transmission system, which can sample, frequency-modulate and calibrate a 5G communication multichannel signal, and convert the multichannel signal into a trigger signal of a 5G communication cable signal transmission system terminal.
The technical scheme for solving the problem is that the 5G communication cable signal transmission system comprises a signal sampling module and a feedback comparison module, wherein the signal sampling module is used for sampling a 5G communication cable signal, the signal sampling module is connected with the feedback comparison module, and a signal output by the feedback comparison module is sent to a 5G communication cable signal transmission system terminal through a signal emitter E1;
the feedback comparison module comprises a triode Q1, a variable resistor RW1, a variable resistor RW2, an inductor L1, a capacitor C7, a capacitor C8, an inductor L4, a triode Q2, a capacitor C6, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, an operational amplifier AR1, an operational amplifier AR2, an operational amplifier AR3, an operational amplifier AR4, a diode D2 and a signal transmitter E1, wherein the collector of the triode Q1 is connected with one end of the variable resistor RW1 and the signal output port of the signal sampling module, the other end of the variable resistor RW1 is connected with the sliding end of the variable resistor RW1 and the resistor R1, the inductor L1, one end of the emitter R1 of the transistor Q1, one end of the inductor L1 and the collector of the transistor Q1, the base of the inductor L1, one end of the capacitor C1 and the other end of the capacitor C1 are connected with the resistor R1, the other end of the resistor R4 is connected with the non-inverting input end of the amplifier AR1, the other end of the capacitor C8, the other end of the capacitor C6 and one end of the resistor R5, the other end of the resistor R5 is connected with the non-inverting input end of the amplifier AR3 and one end of the variable resistor RW2, the inverting input end of the amplifier AR3 is connected with one end of the resistor R6, the other end of the resistor R6 is connected with the emitter of the triode Q2, the sliding end of the variable resistor RW2 is connected with the inverting input end of the amplifier AR1, the other end of the variable resistor RW2 is connected with the output end of the amplifier AR1 and the non-inverting input end of the amplifier AR2, the inverting input end of the amplifier AR2 is connected with one end of the resistor R7, the output end of the amplifier AR2 is connected with the other end of the resistor R7 and the non-inverting input end of the amplifier AR4, the inverting input end of the amplifier AR4 is connected with the output end of the amplifier AR3 and one end of the resistor R8, the other end of the resistor R8 is grounded, the output end of the amplifier AR4 is connected with the anode of the diode D2, and the cathode of the diode D2 is connected with 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 inductor L1 is used for filtering abnormal high-frequency components of signals, the capacitor C7 and the capacitor C8 are used for filtering low-frequency components of the signals, the effect of stabilizing the signal frequency is achieved, meanwhile, the inductor L4 and the capacitor C6 are used for filtering signal noise waves, the stability of the signal frequency is ensured, in addition, the triode Q1 and the triode Q2 are used for detecting distortion signals, in order to prevent distortion signals from being contained in output signals of a signal sampling module and influencing the analysis result of a G communication cable signal transmission system terminal, therefore, the triode Q1 is used for detecting high-level signals, then, the triode Q2 is used for further detecting abnormal signals in the high-level signals, namely distortion signals, the feedback signals are fed back to the reverse-phase input end of the operational amplifier AR3, the distortion signals in the signals are filtered by a method of reducing the source signal amplitude, and the practical value is very high;
2. in order to ensure the accuracy of the terminal receiving signals of the 5G communication cable signal transmission system, an amplitude modulation circuit consisting of an operational amplifier AR1 and a variable resistor RW2 is used for adjusting the amplitude of the signals, the variable resistor RW2 is used for adjusting the amplitude of the signals output by the operational amplifier AR1, the divided voltage signal is sent to the non-inverting input terminal of the operational amplifier AR3, the operational amplifier AR2 buffers the signal and then inputs the signal to the non-inverting input terminal of the operational amplifier AR4, meanwhile, the operational amplifier AR3 compares signals to adjust the inverted input end of the operational amplifier AR4, the amplitude of signals output by the operational amplifier AR4 is limited, the operational amplifier AR3 and the operational amplifier AR4 play a role in comparing the signals, the operational amplifier AR3 is a first-level amplitude limiting, the operational amplifier AR4 is a second-level amplitude limiting, distortion signals in the signals are filtered by means of deepening the signal amplitude limiting depth, and finally the signals are sent to a 5G communication cable signal transmission system terminal through a signal transmitter E1, and the 5G communication cable signal transmission system terminal receives the signals and actively matches the 5G communication cable signal transmission frequency with the cables in time.
Drawings
Fig. 1 is a schematic diagram of a 5G communication cable signal transmission 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.
In the first embodiment, a 5G communication cable signal transmission system includes a signal sampling module and a feedback comparison module, where the signal sampling module samples a 5G communication cable signal, the signal sampling module is connected to the feedback comparison module, and an output signal of the feedback comparison module is sent to a 5G communication cable signal transmission system terminal through a signal transmitter E1;
the feedback comparison module utilizes a variable resistor RW1 to adjust the voltage division of the output signal of the signal sampling module, utilizes an inductor L1 to filter abnormal high-frequency components of the signal, utilizes a capacitor C7 and a capacitor C8 to filter low-frequency components of the signal, plays a role in stabilizing the signal frequency, utilizes an inductor L4 and a capacitor C6 to filter noise waves, ensures the stability of the signal frequency, utilizes a triode Q1 and a triode Q2 to detect distortion signals, in order to prevent the output signal of the signal sampling module from containing distortion signals and influencing the analysis result of a G communication cable signal transmission system terminal, therefore, the triode Q1 is utilized to detect high-level signals, then utilizes a triode Q2 to further detect abnormal signals in the high-level signals, namely distortion signals, and feeds back the signals to the reverse phase input end of an operational amplifier AR3, and filters the distortion signals in the signals by reducing the amplitude of source signals, meanwhile, in order to ensure the accuracy of the terminal receiving signals of the 5G communication cable signal transmission system, an amplitude modulation circuit consisting of the operational amplifier AR1 and the variable resistor RW2 is used for adjusting the amplitude of the signals, the variable resistor RW2 is used for adjusting the amplitude of the signals output by the operational amplifier AR1, the divided voltage signal is sent to the non-inverting input terminal of the operational amplifier AR3, the operational amplifier AR2 buffers the signal and then inputs the signal to the non-inverting input terminal of the operational amplifier AR4, meanwhile, the operational amplifier AR3 compares signals to adjust the inverted input end of the operational amplifier AR4 and limits the amplitude of the signals output by the operational amplifier AR4, the operational amplifier AR3 and the operational amplifier AR4 play a role in comparing the signals, the operational amplifier AR3 is a first-level amplitude limit, the operational amplifier AR4 is a second-level amplitude limit, a method of deepening the depth of the signal amplitude limit is adopted to filter distortion signals in the signals, the signals are finally sent to a 5G communication cable signal transmission system terminal through a signal transmitter E1, and the 5G communication cable signal transmission system terminal receives the signals and actively matches the transmission frequency of the 5G communication cable signals with the cables in time;
the feedback comparison module has a specific structure that a collector of the transistor Q1 is connected to one end of the variable resistor RW1 and a signal output port of the signal sampling module, the other end of the variable resistor RW1 is connected to a sliding end of the variable resistor RW1 and one end of the resistor R3, the inductor L1 and the capacitor C7, an emitter of the transistor Q1 is connected to the other end of the resistor R3, one end of the inductor L4 and a collector of the transistor Q4, the other end of the inductor L4 is connected to a base of the transistor Q4 and one end of the capacitor C4, the other end of the inductor L4 is connected to one end of the resistor R4, one end of the capacitor C4 and the other end of the capacitor C4, the other end of the resistor R4 is connected to a non-inverting input end of the operational amplifier AR4, one end of the variable resistor R4 is connected to an inverting input end of the operational amplifier R4, and the other end of the emitter of the transistor R4 is connected to an inverting amplifier of the operational amplifier R4. The sliding end of the variable resistor RW2 is connected with the inverting input end of the amplifier AR1, the other end of the variable resistor RW2 is connected with the output end of the amplifier AR1 and the non-inverting input end of the amplifier AR2, the inverting input end of the amplifier AR2 is connected with one end of the resistor R7, the output end of the amplifier AR2 is connected with the other end of the resistor R7 and the non-inverting input end of the amplifier AR4, the inverting input end of the amplifier AR4 is connected with the output end of the amplifier AR3 and one end of the resistor R8, the other end of the resistor R8 is grounded, the output end of the amplifier AR4 is connected with the anode of the diode D2, and the cathode of the diode D2 is connected with the signal transmitter E1.
In a second embodiment, on the basis of the first embodiment, the signal sampling module selects a signal sampler J1 with a model of DAM-3056AH to sample a 5G communication cable signal, a voltage regulator tube D1 is used for voltage regulation, a power supply end of the signal sampler J1 is connected to +5V, a ground end of the signal sampler J1 is grounded, an output end of the signal sampler J1 is connected to a negative electrode of a voltage regulator tube D1 and one end of a resistor R1, an anode of the voltage regulator tube D1 is grounded, the other end of the resistor R1 is connected to one end of a capacitor C2, the other end of the capacitor C2 is connected to one end of a resistor R2 and a signal input port of the feedback comparison module, and the other end of the resistor R2 is grounded.
When the invention is used particularly, the 5G communication cable signal transmission system comprises a signal sampling module and a feedback comparison module, wherein the signal sampling module is used for sampling a 5G communication cable signal, the signal sampling module is connected with the feedback comparison module, the feedback comparison module is used for performing partial pressure adjustment on the signal output by the signal sampling module by using a variable resistor RW1, meanwhile, an inductor L1 is used for filtering abnormal high-frequency components of the signal, a capacitor C7 and a capacitor C8 are used for filtering low-frequency components of the signal to stabilize the signal frequency, meanwhile, an inductor L4 and a capacitor C6 are used for filtering signal noise waves to ensure the stability of the signal frequency, a triode Q1 and a triode Q2 are used for detecting distorted signals, in order to prevent the distorted signals from being contained in the signal output by the signal sampling module and influencing the analysis result of a G communication cable signal transmission system terminal, therefore, the triode Q1 is used for detecting high-level signals, then, a triode Q2 is used for further detecting abnormal signals, namely distortion signals, in the high-level signals, feedback signals are fed into the inverting input end of an operational amplifier AR3, the distortion signals in the signals are filtered by a method of reducing the amplitude of source signals, meanwhile, in order to ensure the accuracy of signals received by a 5G communication cable signal transmission system terminal, an amplitude modulation circuit is formed by the operational amplifier AR1 and a variable resistor RW2 to adjust the amplitude of signals output by the operational amplifier AR1 through the variable resistor RW2, voltage division signals are sent to the non-inverting input end of the operational amplifier AR3, the operational amplifier AR2 buffers the signals and then inputs the signals to the non-inverting input end of the operational amplifier AR4, meanwhile, the operational amplifier AR3 compares the signals to adjust the inverting input end of the operational amplifier AR4 and limits the amplitude of the signals output by the operational amplifier AR4, the operational amplifier AR3 and the operational amplifier AR4 play a role of comparing signals, the operational amplifier AR3 is a first-stage amplitude limiter, the operational amplifier AR4 is a second-stage amplitude limiter, the distorted signals in the signals are filtered by a method of deepening the signal amplitude limiting depth, and finally the distorted signals are sent to a 5G communication cable signal transmission system terminal through a signal transmitter E1, and the 5G communication cable signal transmission system terminal receives signals and actively matches the 5G communication cable signal transmission frequency with the cables.
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. A5G communication cable signal transmission system comprises a signal sampling module and a feedback comparison module, and is characterized in that the signal sampling module samples a 5G communication cable signal, the signal sampling module is connected with the feedback comparison module, and a signal output by the feedback comparison module is sent to a 5G communication cable signal transmission system terminal through a signal transmitter E1;
the feedback comparison module comprises a triode Q1, a variable resistor RW1, a variable resistor RW2, an inductor L1, a capacitor C7, a capacitor C8, an inductor L4, a triode Q2, a capacitor C6, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, an operational amplifier AR1, an operational amplifier AR2, an operational amplifier AR3, an operational amplifier AR4, a diode D2 and a signal transmitter E1, wherein the collector of the triode Q1 is connected with one end of the variable resistor RW1 and the signal output port of the signal sampling module, the other end of the variable resistor RW1 is connected with the sliding end of the variable resistor RW1 and the resistor R1, the inductor L1, one end of the emitter R1 of the transistor Q1, one end of the inductor L1 and the collector of the transistor Q1, the base of the inductor L1, one end of the capacitor C1 and the other end of the capacitor C1 are connected with the resistor R1, the other end of the resistor R4 is connected with the non-inverting input end of the amplifier AR1, the other end of the capacitor C8, the other end of the capacitor C6 and one end of the resistor R5, the other end of the resistor R5 is connected with the non-inverting input end of the amplifier AR3 and one end of the variable resistor RW2, the inverting input end of the amplifier AR3 is connected with one end of the resistor R6, the other end of the resistor R6 is connected with the emitter of the triode Q2, the sliding end of the variable resistor RW2 is connected with the inverting input end of the amplifier AR1, the other end of the variable resistor RW2 is connected with the output end of the amplifier AR1 and the non-inverting input end of the amplifier AR2, the inverting input end of the amplifier AR2 is connected with one end of the resistor R7, the output end of the amplifier AR2 is connected with the other end of the resistor R7 and the non-inverting input end of the amplifier AR4, the inverting input end of the amplifier AR4 is connected with the output end of the amplifier AR3 and one end of the resistor R8, the other end of the resistor R8 is grounded, the output end of the amplifier AR4 is connected with the anode of the diode D2, and the cathode of the diode D2 is connected with the signal transmitter E1.
2. The 5G communication cable signal transmission system as claimed in claim 1, wherein the signal sampling module comprises a DAM-3056AH signal sampler J1, a power supply terminal of the signal sampler J1 is connected with +5V, a ground terminal of the signal sampler J1 is connected with ground, an output terminal of the signal sampler J1 is connected with a negative electrode of a voltage regulator D1 and one end of a resistor R1, an anode of the voltage regulator D1 is connected with ground, the other end of the resistor R1 is connected with one end of a capacitor C2, the other end of the capacitor C2 is connected with one end of the resistor R2 and a signal input port of the feedback comparison module, and the other end of the resistor R2 is connected with ground.
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| CN202010371126.5A CN111585584B (en) | 2020-05-06 | 2020-05-06 | 5G communication cable signal transmission system |
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| CN202010371126.5A CN111585584B (en) | 2020-05-06 | 2020-05-06 | 5G communication cable signal transmission system |
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| CN110290359B (en) * | 2019-07-31 | 2020-04-17 | 深圳市众安威视技术有限公司 | Camera signal transmission system |
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| CN109596483A (en) * | 2019-01-11 | 2019-04-09 | 河南鑫安利安全科技股份有限公司 | A kind of operating environment detection system |
| CN109612886A (en) * | 2019-01-11 | 2019-04-12 | 河南鑫安利安全科技股份有限公司 | Operating environment precaution device |
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