Short-wave optical transceiver signal transmission system

Abstract

The utility model relates to the technical field of short-wave optical transceivers, in particular to a signal transmission system of a short-wave optical transceiver, which comprises a signal transmitter, a signal processor connected with the signal transmitter, a photoelectric signal conversion unit connected with the signal processor, and a short-wave optical transceiver main control unit connected with the photoelectric signal conversion unit. The short-wave optical transceiver main control unit is connected with an antenna unit; the signal processor comprises a protection circuit, a filter, a signal amplification circuit and a voltage stabilizing circuit. The output end of the protection circuit is coupled with the input end of the filter, the output end of the filter is coupled with the input end of the signal amplification circuit, and the output end of the signal amplification circuit is coupled with the input end of the voltage stabilizing circuit. The utility model has the advantages of high reliability and low cost, and is suitable for different transmitting antennas.

Description

Technical Field

[0001] This utility model relates to the field of shortwave optical transceiver technology, specifically a shortwave optical transceiver signal transmission system. Background Technology

[0002] The existing shortwave receiving fiber optic transmission system, with application number CN201113984Y, addresses the lack of secure and reliable transmission methods between receivers and antennas at long distances in existing shortwave receiving systems. It includes multiple parallel remote channel processing units equipped with antennas. Each remote channel processing unit is connected to a digital switching unit via its own optical cable. The digital switching unit is then connected to multiple receivers corresponding to the remote channel processing units. Each remote channel processing unit includes a protection circuit, filter, LNA, AGC circuit, wideband / narrowband signal processor, AGC circuit, and photoelectric converter, sequentially connected from the antenna to the optical cable. The wideband / narrowband signal processor is also connected to the optical cable via a remote return control module and the photoelectric converter.

[0003] The above-mentioned signal transmission scheme has relatively poor anti-interference signal capability. During the signal transmission process, the signal is easily weakened, leading to problems such as signal malfunctions. To address this, we propose a shortwave optical transceiver signal transmission system. Utility Model Content

[0004] The purpose of this invention is to provide a shortwave optical transceiver signal transmission system to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A shortwave optical transceiver signal transmission system, comprising:

[0007] The signal transmitter, the signal processor connected to the signal transmitter, the photoelectric signal conversion unit connected to the signal processor, and the shortwave optical transceiver main control unit connected to the photoelectric signal conversion unit, wherein the shortwave optical transceiver main control unit is connected to an antenna unit;

[0008] The signal processor is used to filter and amplify the transmitted signal;

[0009] The signal processor includes: a protection circuit, a filter, a signal amplification circuit, and a voltage regulator circuit;

[0010] The output terminal of the protection circuit is coupled to the input terminal of the filter, the output terminal of the filter is coupled to the input terminal of the signal amplification circuit, and the output terminal of the signal amplification circuit is coupled to the input terminal of the voltage regulator circuit.

[0011] Preferably, the output terminal of the signal transmitter is coupled to the input terminal of the signal processor.

[0012] Preferably, the output terminal of the signal processor is coupled to the input terminal of the photoelectric signal conversion unit.

[0013] Preferably, the output terminal of the photoelectric signal conversion unit is coupled to the input terminal of the shortwave optical transceiver main control unit.

[0014] Preferably, the output terminal of the shortwave optical transceiver main control unit is coupled to the input terminal of the antenna unit.

[0015] Preferably, the antenna element is a shortwave antenna.

[0016] Preferably, the signal transmitter and photoelectric signal conversion unit are located at the bottom of the antenna tower, while the photoelectric signal conversion unit, the shortwave optical transceiver main control unit, and the antenna unit are located at the top of the antenna tower.

[0017] Preferably, the signal amplification circuit includes:

[0018] A surface acoustic wave resonator X1, wherein a resistor R1 is connected to the first end of the surface acoustic wave resonator X1, and a capacitor C1 is connected to the other end of the resistor R1.

[0019] The second end of the surface acoustic wave resonator X1 is connected to a resistor R3. One end of the resistor R3 is connected to the base of the transistor Q1. The emitter of the transistor Q1 is connected to a resistor R2. One end of the resistor R2 is connected to a capacitor C2. One end of the capacitor C2 is connected to an inductor L3.

[0020] Preferably, the collector of the transistor is connected to capacitor C5, one end of capacitor C5 is connected to inductor L1, the two ends of inductor L1 are respectively connected to resistor R5 and resistor R6, one end of resistor R5 is connected to capacitor C6, one end of resistor R6 is connected to capacitor C7, and one end of capacitor C6 and capacitor C7 is grounded.

[0021] Preferably, the third terminal of the surface acoustic wave resonator X1 is connected to the inductor L2, and one end of the inductor L2 is input to the power supply VCC;

[0022] The other end of resistor R3 is connected to resistor R4, and the two ends of resistor R4 are connected to capacitor C4 and capacitor C3 respectively. One end of capacitor C4 and capacitor C3 is grounded.

[0023] Compared with the prior art, the beneficial effects of this utility model are:

[0024] This invention is highly reliable, low in cost, and suitable for different transmitting antennas. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of this utility model;

[0026] Figure 2 This is a schematic diagram of the circuit structure of the signal processor of this utility model. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1:

[0029] Please see Figure 1-2 A shortwave optical transceiver signal transmission system, comprising:

[0030] The signal transmitter, the signal processor connected to the signal transmitter, the photoelectric signal conversion unit connected to the signal processor, and the shortwave optical transceiver main control unit connected to the photoelectric signal conversion unit, wherein the shortwave optical transceiver main control unit is connected to an antenna unit;

[0031] The output terminal of the signal transmitter is coupled to the input terminal of the signal processor; the output terminal of the signal processor is coupled to the input terminal of the photoelectric signal conversion unit; the output terminal of the photoelectric signal conversion unit is coupled to the input terminal of the shortwave optical transceiver main control unit; and the output terminal of the shortwave optical transceiver main control unit is coupled to the input terminal of the antenna unit.

[0032] The signal transmitter and photoelectric signal conversion unit are located at the bottom of the antenna tower, while the photoelectric signal conversion unit, the shortwave optical transceiver main control unit, and the antenna unit are located at the top of the antenna tower.

[0033] The signal processor is used to filter and amplify the transmitted signal;

[0034] The signal processor includes: a protection circuit, a filter, a signal amplification circuit, and a voltage regulator circuit;

[0035] The output terminal of the protection circuit is coupled to the input terminal of the filter, the output terminal of the filter is coupled to the input terminal of the signal amplification circuit, and the output terminal of the signal amplification circuit is coupled to the input terminal of the voltage regulator circuit.

[0036] In the above technical solution, further:

[0037] The protection circuit of the signal processor can be used to prevent the circuit from exceeding the load and protect the stable operation of the circuit. The filter can be used to eliminate interference signals and ensure stable signal transmission. The signal amplification circuit increases the signal transmission strength, and the voltage regulation circuit works together to ensure stable signal transmission. The photoelectric signal conversion unit converts the input electrical signal into an optical signal by interacting with the optical carrier, and then transmits the signal to the shortwave optical transceiver main control unit. The antenna unit is a shortwave antenna. Because shortwave antennas have advantages such as large effective height, high radiation resistance, high efficiency, good directivity, high gain, and wide bandwidth, the signal transmitting device of the shortwave communication system provided in this embodiment has better performance.

[0038] Example 2:

[0039] Based on Embodiment 1, a signal amplification circuit is further disclosed.

[0040] like Figure 2 As shown, the signal amplification circuit includes:

[0041] A surface acoustic wave resonator X1, wherein a resistor R1 is connected to the first end of the surface acoustic wave resonator X1, and a capacitor C1 is connected to the other end of the resistor R1.

[0042] The second end of the surface acoustic wave resonator X1 is connected to resistor R3. One end of resistor R3 is connected to the base of transistor Q1. The emitter of transistor Q1 is connected to resistor R2. One end of resistor R2 is connected to capacitor C2. One end of capacitor C2 is connected to inductor L3.

[0043] The collector of the transistor is connected to capacitor C5. One end of capacitor C5 is connected to inductor L1. Resistors R5 and R6 are connected to the two ends of inductor L1 respectively. One end of resistor R5 is connected to capacitor C6. One end of resistor R6 is connected to capacitor C7. One end of capacitors C6 and C7 is grounded.

[0044] The third terminal of the surface acoustic wave resonator X1 is connected to the inductor L2, and one end of the inductor L2 is input to the power supply VCC;

[0045] The other end of resistor R3 is connected to resistor R4, and the two ends of resistor R4 are connected to capacitor C4 and capacitor C3 respectively. One end of capacitor C4 and capacitor C3 is grounded.

[0046] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A shortwave optical transceiver signal transmission system, characterized in that, include: The signal transmitter, the signal processor connected to the signal transmitter, the photoelectric signal conversion unit connected to the signal processor, and the shortwave optical transceiver main control unit connected to the photoelectric signal conversion unit, wherein the shortwave optical transceiver main control unit is connected to an antenna unit; The signal processor is used to filter and amplify the transmitted signal; The signal processor includes: a protection circuit, a filter, a signal amplification circuit, and a voltage regulator circuit; The output terminal of the protection circuit is coupled to the input terminal of the filter, the output terminal of the filter is coupled to the input terminal of the signal amplification circuit, and the output terminal of the signal amplification circuit is coupled to the input terminal of the voltage regulator circuit.

2. The shortwave optical transceiver signal transmission system according to claim 1, characterized in that, The output terminal of the signal transmitter is coupled to the input terminal of the signal processor.

3. The shortwave optical transceiver signal transmission system according to claim 1, characterized in that, The output terminal of the signal processor is coupled to the input terminal of the photoelectric signal conversion unit.

4. The shortwave optical transceiver signal transmission system according to claim 1, characterized in that, The output of the photoelectric signal conversion unit is coupled to the input of the shortwave optical transceiver main control unit.

5. The shortwave optical transceiver signal transmission system according to claim 1, characterized in that, The output terminal of the shortwave optical transceiver main control unit is coupled to the input terminal of the antenna unit.

6. The shortwave optical transceiver signal transmission system according to claim 1, characterized in that, The antenna element is a shortwave antenna.

7. The shortwave optical transceiver signal transmission system according to claim 1, characterized in that, The signal transmitter and photoelectric signal conversion unit are located at the bottom of the antenna tower, while the photoelectric signal conversion unit, the shortwave optical transceiver main control unit, and the antenna unit are located at the top of the antenna tower.

8. The shortwave optical transceiver signal transmission system according to claim 1, characterized in that, The signal amplification circuit includes: A surface acoustic wave resonator X1, wherein a resistor R1 is connected to the first end of the surface acoustic wave resonator X1, and a capacitor C1 is connected to the other end of the resistor R1. The second end of the surface acoustic wave resonator X1 is connected to a resistor R3. One end of the resistor R3 is connected to the base of the transistor Q1. The emitter of the transistor Q1 is connected to a resistor R2. One end of the resistor R2 is connected to a capacitor C2. One end of the capacitor C2 is connected to an inductor L3.

9. A shortwave optical transceiver signal transmission system according to claim 8, characterized in that, The collector of the transistor is connected to capacitor C5. One end of capacitor C5 is connected to inductor L1. Resistors R5 and R6 are connected to the two ends of inductor L1 respectively. One end of resistor R5 is connected to capacitor C6. One end of resistor R6 is connected to capacitor C7. One end of capacitors C6 and C7 is grounded.

10. A shortwave optical transceiver signal transmission system according to claim 9, characterized in that, The third terminal of the surface acoustic wave resonator X1 is connected to the inductor L2, and one end of the inductor L2 is input to the power supply VCC; The other end of resistor R3 is connected to resistor R4, and the two ends of resistor R4 are connected to capacitor C4 and capacitor C3 respectively. One end of capacitor C4 and capacitor C3 is grounded.

Images