CN109217929B - Superspeed all-optical communication system - Google Patents
Superspeed all-optical communication system Download PDFInfo
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- CN109217929B CN109217929B CN201811268983.1A CN201811268983A CN109217929B CN 109217929 B CN109217929 B CN 109217929B CN 201811268983 A CN201811268983 A CN 201811268983A CN 109217929 B CN109217929 B CN 109217929B
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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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
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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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
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- Computer Networks & Wireless Communication (AREA)
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- Optical Communication System (AREA)
Abstract
The invention discloses an ultra-high-speed all-optical communication system, which comprises a signal frequency acquisition circuit, a detection comparison circuit and a frequency modulation output circuit, wherein the signal frequency acquisition circuit acquires signals at the input end of a signal transmission channel at the control end of the ultra-high-speed all-optical communication system, pi-type filter circuit consisting of an inductor L1, a capacitor C2 and a capacitor C3 is used for filtering, the detection comparison circuit locks the signals in an average value range by using an average value detection circuit pair consisting of an operational amplifier AR1, an operational amplifier AR2 and a diode D1, meanwhile, a hysteresis comparison circuit consisting of the operational amplifier AR3, the operational amplifier AR4 and a resistor R10-a resistor R13 is used for filtering noise on the signals, a triode Q1 and a triode Q2 are used for feedback adjustment of the output signal potential of the operational amplifier AR4, and finally the frequency modulation output circuit consists of a triode Q3, a triode Q4 and a capacitor C6, preventing signal frequency hopping and distortion.
Description
Technical Field
The invention relates to the technical field of all-optical communication, in particular to an ultra-high-speed all-optical communication system.
Background
All-optical communication is that signal transmission and exchange between users all adopt the light wave technology, namely the transmission process of data from a source node to a destination node is carried out in an optical domain, and the exchange at each network node adopts the all-optical network exchange technology.
The present invention provides a new solution to this problem.
Disclosure of Invention
In view of the above situation, to overcome the defects of the prior art, the present invention aims to provide an ultra-high speed all-optical communication system, which has the characteristics of ingenious design and humanized design, and can automatically calibrate signals at the input end of a signal transmission channel at the control end of the ultra-high speed all-optical communication system, so as to prevent signal frequency hopping and distortion.
The technical scheme includes that the ultrahigh-speed all-optical communication system comprises a signal frequency acquisition circuit, a detection comparison circuit and a frequency modulation output circuit, wherein the signal frequency acquisition circuit acquires signals at the input end of a signal transmission channel at the control end of the ultrahigh-speed all-optical communication system, pi-type filter circuits consisting of an inductor L1, a capacitor C2 and a capacitor C3 are used for filtering, an average detection circuit pair consisting of an operational amplifier AR1, an operational amplifier AR2 and a diode D1 is used for locking the signals in an average value range, a hysteresis comparison circuit consisting of an operational amplifier AR3, an operational amplifier AR4 and a resistor R10-a resistor R13 is used for filtering noise waves on the signals, a triode Q1 and a triode Q2 are used for feedback adjustment of the output signal potential of the operational amplifier AR4, and finally the frequency modulation circuit consisting of a triode Q3, a triode Q4 and a capacitor C6 is used for output, namely, the signal is input into a signal transmission channel at a control end of the ultra-high-speed all-optical communication system;
the detection and comparison circuit comprises an operational amplifier AR1, wherein a non-inverting input terminal of the operational amplifier AR1 is connected with a cathode of a diode D1, one end of a resistor R1 and a cathode of the diode D1, an inverting input terminal of the operational amplifier AR1 is connected with one end of the resistor R1, the other end of the resistor R1 is grounded, an output terminal of the operational amplifier AR1 is connected with one end of the resistor R1, the anode of the diode D1 and the other end of the resistor R1, the other end of the resistor R1 is connected with a non-inverting input terminal of the operational amplifier AR1, one end of the resistor R1 and one end of a capacitor C1, the inverting input terminal of the operational amplifier AR1 is connected with one end of the resistor R1 and one end of the resistor R1, the other end of the resistor R1 is connected with a collector of a transistor Q1, the cathode of the diode D1 is connected with a base of the diode Q1 and one end of the resistor R1, and one end of the inverting input terminal of the resistor R1, and the inverting input terminal of the operational amplifier R1 are connected with the inverting input terminal of, the other end of the resistor R9 is grounded, the output end of the operational amplifier AR3 is connected with one end of the resistor R12, the other end of the resistor R12 is connected with the other end of the resistor R10, the base of the triode Q2 and one end of the resistor R13, the other end of the resistor R13 is connected with the other end of the resistor R11, the collector of the triode Q1, the output end of the operational amplifier AR4 and the emitter of the triode Q2, the emitter of the triode Q1 is connected with the anode of the diode D2, the inverting input end of the operational amplifier AR4 is connected with one end of the resistor R14, and the other end of the resistor R14 is connected with the cathode.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1, an average detection circuit pair composed of an operational amplifier AR1, an operational amplifier AR2 and a diode D1 is used for locking a signal in an average range, the signal can be stabilized in a certain range, signal frequency modulation is prevented, and meanwhile a hysteresis comparison circuit composed of the operational amplifier AR3, the operational amplifier AR4 and a resistor R10-a resistor R13 is used for filtering noise waves on the signal, so that the stability of the signal is guaranteed.
2, in order to further detect the signal potential and prevent signal distortion, a triode Q1 and a triode Q2 are used for feeding back and adjusting the output signal potential of the operational amplifier AR4, when the output signal of the operational amplifier AR2 is an abnormal high-level signal, the triode Q1 is conducted at the moment, a feedback signal is fed into the non-inverting input end of the operational amplifier AR1, the output signal potential of the average detection circuit is reduced, when the output signal of the operational amplifier AR3 is an abnormal low-level signal, the triode Q2 feeds back a signal into the non-inverting input end of the operational amplifier AR2 at the moment, the output signal potential of the hysteresis comparison circuit is increased, the function of automatically calibrating the signal potential is achieved, and finally, the frequency modulation output circuit uses a frequency modulation circuit formed by a triode Q3, a triode Q4 and a capacitor C6.
Drawings
Fig. 1 is a block diagram of an ultra-high-speed all-optical communication system according to the present invention.
Fig. 2 is a schematic diagram of an ultra-high-speed all-optical communication system 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 2. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
In the first embodiment, an ultra-high-speed all-optical communication system includes a signal frequency acquisition circuit, a detection comparison circuit and a frequency modulation output circuit, where the signal frequency acquisition circuit acquires a signal at an input end of a signal transmission channel at a control end of the ultra-high-speed all-optical communication system, filtering is performed by using a pi-type filter circuit composed of an inductor L1, a capacitor C2 and a capacitor C3, the detection comparison circuit locks the signal in an average value range by using an average value detection circuit pair composed of an operational amplifier AR1, an operational amplifier AR2 and a diode D1, noise on the signal is filtered by using a hysteresis comparison circuit composed of an operational amplifier AR3, an operational amplifier AR4 and a resistor R10-a resistor R13, the signal potential output by using a triode Q1 and a triode Q2 for feedback adjustment, and finally the frequency modulation output circuit composed of a triode Q3, a triode Q4 and a capacitor C6 for frequency modulation output, namely, the signal is input into a signal transmission channel at a control end of the ultra-high-speed all-optical communication system;
the detection comparison circuit locks signals in an average value range by using an average value detection circuit pair consisting of an operational amplifier AR1, an operational amplifier AR2 and a diode D1, the signals can be stabilized in a certain range to prevent the frequency modulation of the signals, meanwhile, a hysteresis comparison circuit consisting of an operational amplifier AR3, an operational amplifier AR4 and a resistor R10-a resistor R13 is used for filtering noise waves on the signals to ensure the stability of the signals, in order to further detect the signal potential and prevent the signal distortion, a triode Q1 and a triode Q2 are used for feedback adjustment of the output signal potential of an operational amplifier AR4, when the output signal of an operational amplifier AR2 is an abnormal high-level signal, the triode Q1 is conducted at the moment, a signal is fed back to the non-phase input end of the operational amplifier AR1, the output signal potential of the average value detection circuit is reduced, when the output signal of the operational amplifier AR3 is an abnormal low-level signal, the triode Q2 feeds back a, the output signal potential of the hysteresis comparison circuit is increased to play a role of automatically calibrating the signal potential, the non-inverting input end of an operational amplifier AR1 is connected with the cathode of a diode D1, one end of a resistor R3 and the cathode of a diode D3, the inverting input end of an operational amplifier AR1 is connected with one end of a resistor R4, the other end of a resistor R4 is grounded, the output end of an operational amplifier AR1 is connected with one end of a resistor R5, the anode of a diode D4 and the other end of a resistor R3, the other end of the resistor R5 is connected with the non-inverting input end of the operational amplifier AR 5, one end of a resistor R5 and one end of a capacitor C5, the inverting input end of the operational amplifier AR 5 is connected with one end of the resistor R5 and the cathode of the resistor R5, the other end of the resistor R5 is grounded, the output end of the operational amplifier AR 5 is connected with the anode of a triode R5, the cathode of the triode R5 and the base of the diode D5 are connected with the collector of the resistor R, One end of a resistor R11, the inverting input end of an operational amplifier AR3 is connected with one end of a resistor R9, the other end of the resistor R9 is grounded, the output end of the operational amplifier AR3 is connected with one end of a resistor R12, the other end of the resistor R12 is connected with the other end of a resistor R10, the base of a triode Q2 and one end of a resistor R13, the other end of a resistor R13 is connected with the other end of a resistor R11, the collector of a triode Q1, the output end of an operational amplifier AR4 and the emitter of a triode Q2, the emitter of a triode Q1 is connected with the anode of a diode D2, the inverting input end of the operational amplifier AR4 is connected with one end of a resistor R14, and the other end of the.
In the second embodiment, on the basis of the first embodiment, the signal frequency acquisition circuit selects a frequency collector J1 with the model of SJ-ADC to acquire a signal at an input end of a signal transmission channel at a control end of an ultra-high-speed all-optical communication system, pi-type filter circuit composed of an inductor L1, a capacitor C2 and a capacitor C3 is used for filtering, a power supply of the frequency collector J1 is connected to one end of a capacitor C1 and one end of a resistor R1 and +5V of a power supply, a ground end of the frequency collector J1 is grounded, an output of the frequency collector J1 is connected to one end of a capacitor C1, the other end of a resistor R1, one end of a capacitor C1 and one end of a capacitor L1, the other end of a capacitor L2 is grounded, the other end of a capacitor L1 is connected to one end of a capacitor C2, the other end of a capacitor C3 is grounded, and the.
In a third embodiment, based on the first embodiment, the frequency-modulated output circuit is output after frequency modulation by using a frequency modulation circuit composed of a transistor Q3, a transistor Q4, and a capacitor C6, that is, the frequency-modulated output circuit is input into a signal transmission channel at a control end of an ultra-high-speed all-optical communication system to stabilize signal frequency, a base of the transistor Q3 is connected to one end of a resistor R15 and one end of a capacitor C5, the other end of the capacitor C5 is connected to an output end of an amplifier AR4, a collector of the transistor Q3 is connected to one end of a resistor R16 and one end of a capacitor C6, the other end of the capacitor C6 is connected to a base of a transistor Q4, a collector of the transistor Q4 is connected to one end of a resistor R18 and a resistor R19, the other end of a resistor R19 is connected to a signal output port, a resistor R15, a resistor R16, the other end of the resistor R16 is connected to one end of a power supply +10V, and an emitter of the transistor Q, The other terminal of the capacitor C7 is connected to ground.
When the invention is used specifically, an ultra-high-speed all-optical communication system comprises a signal frequency acquisition circuit, a detection comparison circuit and a frequency modulation output circuit, wherein the signal frequency acquisition circuit acquires signals at the input end of a signal transmission channel at the control end of the ultra-high-speed all-optical communication system, pi-type filter circuit consisting of an inductor L1, a capacitor C2 and a capacitor C3 is used for filtering, the detection comparison circuit locks the signals in an average value range by using an average value detection circuit pair consisting of an operational amplifier AR1, an operational amplifier AR2 and a diode D1, the signals can be stabilized in a certain range to prevent signal frequency modulation, meanwhile, a hysteresis comparison circuit consisting of an operational amplifier AR3, an operational amplifier AR4 and a resistor R10-a resistor R13 is used for filtering noise waves on the signals to ensure the stability of the signals, and for further detecting the signal potential and preventing signal distortion, a triode Q1 and a triode Q2 are used for feedback adjustment of the output signal, when the output signal of the operational amplifier AR2 is an abnormal high-level signal, the transistor Q1 is turned on, the feedback signal is fed into the non-inverting input terminal of the operational amplifier AR1, the output signal potential of the average detection circuit is reduced, when the output signal of the operational amplifier AR3 is an abnormal low-level signal, the feedback signal of the transistor Q2 is fed into the non-inverting input terminal of the operational amplifier AR2, the output signal potential of the hysteresis comparison circuit is increased, and the function of automatically calibrating the signal potential is achieved, and finally, the frequency modulation output circuit performs frequency modulation by using a frequency modulation circuit composed of the transistor Q3, the transistor Q4 and the capacitor C6 and outputs the frequency modulated signal, namely the frequency modulated signal is input into a signal transmission channel.
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 (3)
1. An ultra-high-speed all-optical communication system comprises a signal frequency acquisition circuit, a detection comparison circuit and a frequency modulation output circuit, and is characterized in that the signal frequency acquisition circuit acquires signals at an input end of a signal transmission channel at a control end of the ultra-high-speed all-optical communication system, pi-type filter circuits consisting of an inductor L1, a capacitor C2 and a capacitor C3 are used for filtering, the detection comparison circuit locks the signals in an average value range by using an average value detection circuit pair consisting of an operational amplifier AR1, an operational amplifier AR2 and a diode D1, meanwhile, a hysteresis comparison circuit consisting of an operational amplifier AR3, an operational amplifier AR4 and a resistor R10-a resistor R13 is used for filtering noise waves on the signals, a triode Q1 and a triode Q2 are used for feedback adjustment of the output signal potential of the operational amplifier AR4, and finally the frequency modulation output circuit consists of a triode Q3, a triode Q4 and a capacitor C6 and, namely, the signal is input into a signal transmission channel at a control end of the ultra-high-speed all-optical communication system;
the detection and comparison circuit comprises an operational amplifier AR1, wherein a non-inverting input terminal of the operational amplifier AR1 is connected with a cathode of a diode D1, one end of a resistor R1 and a cathode of the diode D1, an inverting input terminal of the operational amplifier AR1 is connected with one end of the resistor R1, the other end of the resistor R1 is grounded, an output terminal of the operational amplifier AR1 is connected with one end of the resistor R1, the anode of the diode D1 and the other end of the resistor R1, the other end of the resistor R1 is connected with a non-inverting input terminal of the operational amplifier AR1, one end of the resistor R1 and one end of a capacitor C1, the inverting input terminal of the operational amplifier AR1 is connected with one end of the resistor R1 and one end of the resistor R1, the other end of the resistor R1 is connected with a collector of a transistor Q1, the cathode of the diode D1 is connected with a base of the diode Q1 and one end of the resistor R1, and one end of the inverting input terminal of the resistor R1, and the inverting input terminal of the operational amplifier R1 are connected with the inverting input terminal of, the other end of the resistor R9 is grounded, the output end of the operational amplifier AR3 is connected with one end of the resistor R12, the other end of the resistor R12 is connected with the other end of the resistor R10, the base of the triode Q2 and one end of the resistor R13, the other end of the resistor R13 is connected with the other end of the resistor R11, the collector of the triode Q1, the output end of the operational amplifier AR4 and the emitter of the triode Q2, the emitter of the triode Q1 is connected with the anode of the diode D2, the inverting input end of the operational amplifier AR4 is connected with one end of the resistor R14, and the other end of the resistor R14 is connected with the cathode.
2. The system of claim 1, wherein the signal frequency acquisition circuit comprises a frequency collector J1 of a model SJ-ADC, a power supply of the frequency collector J1 is connected with a capacitor C1, one end of a resistor R1 and a power supply +5V, a ground terminal of the frequency collector J1 is grounded, an output terminal of the frequency collector J1 is connected with one end of a capacitor C1, the other end of a resistor R1, one end of a capacitor C2 and one end of an inductor L1, the other end of the capacitor C2 is grounded, the other end of the inductor L1 is connected with one end of a capacitor C3 and one end of a resistor R2, the other end of the capacitor C3 is grounded, and the other end of the resistor R2 is connected with a non-inverting input terminal of an AR 1.
3. An ultra-high-speed all-optical communication system according to claim 2, wherein the frequency-modulated output circuit comprises a triode Q3, the base of the triode Q3 is connected with one end of a resistor R15 and a capacitor C5, the other end of the capacitor C5 is connected with the output end of an amplifier AR4, the collector of the triode Q3 is connected with one end of a resistor R16 and one end of a capacitor C6, the other end of the capacitor C6 is connected with the base of a triode Q4, the collector of the triode Q4 is connected with one end of a resistor R18 and one end of a resistor R19, the other end of a resistor R19 is connected with a signal output port, the other ends of a resistor R15, a resistor R16 and a resistor R18 are connected with +10V, the emitter of the triode Q4 is connected with one end of a resistor R20, the other end of the resistor R20 is connected with one end of a resistor R21 and one end of a capacitor C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811268983.1A CN109217929B (en) | 2018-10-29 | 2018-10-29 | Superspeed all-optical communication system |
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| CN201811268983.1A CN109217929B (en) | 2018-10-29 | 2018-10-29 | Superspeed all-optical communication system |
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| CN109217929B true CN109217929B (en) | 2020-06-05 |
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| CN111162892B (en) * | 2020-02-25 | 2020-09-15 | 郑州铁路职业技术学院 | Multichannel communication synchronous transmission system |
| CN112260762B (en) * | 2020-10-15 | 2021-05-04 | 上海敏桥信息科技有限公司 | Data security signal transmission system of Internet of things |
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