Satellite-borne low-power-consumption reconfigurable high-isolation multi-channel transceiving channel
Through the modular design and the use of local oscillator frequency control unit, a low-power, reconfigurable, and high isolation multi-channel transceiver channel in the satellite-on-board communication system is realized, solving the problems of complex, large size and large power consumption of traditional channel circuits, achieving the effect of compact design.
Patent Information
- Application Number
- CN202421370125.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-17
AI Technical Summary
Traditional multi-channel channel circuits are complex, large in size and large in power consumption, making it difficult to meet the requirements of low power consumption, reconfigurable, miniaturized, and high isolation in satellite-on-board communication systems.
The modular miniaturization design is adopted, and each channel is designed in a versatile manner. The local oscillator frequency control unit is used to achieve adjustable local oscillator frequency, and the channel isolation is improved in an independent packaging form; the peripheral circuit is simple, the types of components are reduced, the PCB board-level design complexity is simplified, and the radiation-resistant local oscillator and power management unit are integrated.
It realizes a compact, low-power multi-channel transceiver channel design on the satellite, with the characteristics of frequency reconfigurable, significantly reduced power consumption and reduced volume, improving reliability and channel isolation.
Smart Images

Figure CN222602419U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electrical components, and in particular to a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel. Background Art
[0002] In view of the characteristics of multi-satellite networking in satellite communication systems, the multi-channel transceiver channels in satellite communication systems are required to have low power consumption, reconfigurability, miniaturization, and high isolation. As an important part of the satellite communication system, the multi-channel transceiver channel also provides the communication system with the function of frequency conversion for transmission and reception.
[0003] In the past, the main working mode of the transceiver channels in satellite communication systems was a single-frequency conversion transceiver channel, which made it difficult to achieve low power consumption and meet the design requirements of wide bandwidth. Summary of the invention
[0004] The utility model aims to solve the problems of complex circuits, large size and high power consumption of traditional multi-channel channels, and provides a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel. The utility model adopts a modular miniaturized design, and each channel is designed for universality. The local oscillator frequency control unit is used to achieve adjustable local oscillator frequency, so that various frequencies of the multi-channel transceiver channel can be arbitrarily combined, and the independent packaging form can effectively improve channel isolation; the peripheral circuit is simple, the types of components are effectively reduced, the complexity of PCB board-level design is simplified, and the reliability is improved; the radiation-resistant local oscillator unit and the multi-channel transceiver channel are designed to penetrate each other, and the power management unit is integrated at the same time, and finally the satellite-borne compact low-power multi-channel transceiver channel design is completely realized, which has the characteristics of reconfigurable frequency. The utility model provides a low-power, reconfigurable multi-channel transceiver channel for a satellite communication system, with a frequency covering four frequency points of f1, f2, f3, and f4 in the K band to the Ka band, and a total of six channels; high isolation between channels is achieved through a reasonable frequency layout of the multi-channel transceiver channel, and frequency conversion, power amplification, and receiving channel amplification of multiple channels in the satellite communication system are achieved through a local oscillator frequency control unit; the utility model realizes a low-power, reconfigurable, and high-isolation design between channels.
[0005] The utility model provides a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel, comprising an f1-frequency transceiver channel, an f2-frequency transceiver channel, an f3-frequency receiving channel, and an f4-frequency transmitting channel arranged in sequence, an anti-radiation local oscillator unit electrically connected to the f1-frequency transceiver channel, the f2-frequency transceiver channel, the f3-frequency receiving channel, and the f4-frequency transmitting channel, and a power supply module electrically connected to the f1-frequency transceiver channel, the f2-frequency transceiver channel, the f3-frequency receiving channel, the f4-frequency transmitting channel, and the anti-radiation local oscillator unit;
[0006] The f1 frequency transceiver channel, the f2 frequency transceiver channel, the f3 frequency receiving channel, and the f4 frequency transmitting channel are all independently packaged on the front of the multi-channel transceiver channel, and the radiation-resistant local oscillator unit and the power supply module are connected to the back of the multi-channel transceiver channel. The radiation-resistant local oscillator unit is connected to the f1 frequency transceiver channel, the f2 frequency transceiver channel, the f3 frequency receiving channel, and the f4 frequency transmitting channel by a through-through method;
[0007] The f1 frequency point transceiver channel is used to up-convert the intermediate frequency signal to the f1 frequency point radio frequency signal and transmit it, and the f1 frequency point transceiver channel is used to receive the f1 frequency point radio frequency signal and down-convert it to the intermediate frequency signal for output;
[0008] The f2 frequency point transceiver channel is used to up-convert the intermediate frequency signal to the f2 frequency point radio frequency signal and transmit it, and the f2 frequency point transceiver channel is used to receive the f2 frequency point radio frequency signal and down-convert it to the intermediate frequency signal for output;
[0009] The f3 frequency point transceiver channel is used to receive the f3 frequency point radio frequency signal and down-convert it to an intermediate frequency signal for output;
[0010] The f4 frequency transceiver channel is used to up-convert the intermediate frequency signal to the f4 frequency radio frequency signal and transmit it;
[0011] The radiation-resistant local oscillator unit is used to provide a local oscillator signal for mixing to the f1 frequency transceiver channel, the f2 frequency transceiver channel, the f3 frequency receiving channel and the f4 frequency transmitting channel.
[0012] The utility model discloses a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel. As a preferred embodiment, the f1 frequency transceiver channel includes a first radio frequency port connected to the radio frequency, a first circulator, and an f1 frequency receiving channel and an f1 frequency transmitting channel electrically connected to the first circulator respectively;
[0013] The f1 frequency receiving channel and the f1 frequency transmitting channel are respectively integrated in two cavities and are both electrically connected to the radiation-resistant local oscillator unit.
[0014] The utility model discloses a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel. As a preferred embodiment, the f1 frequency receiving channel includes a first limiter, a first filter, a first amplifier, a first mixer, a first bandpass filter, and a first intermediate frequency output port which are electrically connected to a port of a first circulator in sequence;
[0015] The f1 frequency transmission channel comprises a first intermediate frequency input port, a second bandpass filter, a second mixer, a second amplifier, a second filter and a third amplifier which are electrically connected in sequence, and the third amplifier is electrically connected to another port of the first circulator;
[0016] The first mixer and the second mixer are both electrically connected to the radiation-resistant local oscillator unit.
[0017] The utility model discloses a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel. As a preferred embodiment, the f2 frequency transceiver channel includes a second radio frequency port connected to the radio frequency, a second circulator, and an f2 frequency receiving channel and an f2 frequency transmitting channel electrically connected to the second circulator respectively.
[0018] The f2 frequency receiving channel and the f2 frequency transmitting channel are respectively integrated in two cavities and are both electrically connected to the radiation-resistant local oscillator unit.
[0019] The utility model discloses a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel. As a preferred embodiment, the f2 frequency receiving channel includes a third limiter, a third filter, a fourth amplifier, a third mixer, a third bandpass filter, and a second intermediate frequency output port which are electrically connected to a port of the second circulator in sequence;
[0020] The f2 frequency transmission channel comprises a fourth bandpass filter, a fourth mixer, a fifth amplifier, a fourth filter, and a sixth amplifier which are electrically connected in sequence to the second intermediate frequency input port, and the sixth amplifier is electrically connected to another port of the second circulator;
[0021] The third mixer and the fourth mixer are both electrically connected to the radiation-resistant local oscillator unit.
[0022] The utility model discloses a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel. As a preferred embodiment, the f3 frequency receiving channel includes a third radio frequency port, a fifth limiter, a fifth filter, a seventh amplifier, a fifth mixer, a fifth bandpass filter and a third intermediate frequency output port which are electrically connected in sequence, and the fifth mixer is electrically connected to the radiation-resistant local oscillator unit;
[0023] The f3 frequency receiving channel is integrated in one cavity.
[0024] The utility model discloses a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel. As a preferred embodiment, the f4 frequency transmission channel includes a third intermediate frequency input port, a sixth bandpass filter, a sixth mixer, an eighth amplifier, a sixth filter, a ninth amplifier and a fourth radio frequency port which are electrically connected in sequence, and the sixth mixer is electrically connected to the radiation-resistant local oscillator unit;
[0025] The f4 frequency transmission channel is integrated in one cavity.
[0026] The utility model discloses a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel. As a preferred embodiment, the f1 frequency point, the f2 frequency point, the f3 frequency point and the f4 frequency point cover the frequency K band to the Ka band.
[0027] The utility model describes a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel. As a preferred embodiment, the f1 frequency is 24.1GHz to 25.2GHz, the f2 frequency is 25.1GHz to 25.9GHz, the f3 frequency is 25.8GHz to 26.9GHz, and the f4 frequency is 26.8GHz to 27.9GHz.
[0028] The utility model discloses a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel. As a preferred embodiment, the radiation-resistant local oscillator unit includes an electrically connected radiation-resistant local oscillator unit body, a local oscillator frequency control unit and a radiation-resistant local oscillator amplifying driving power division unit. The radiation-resistant local oscillator amplifying driving power division unit and the mixers of the f1 frequency point transceiver channel, the f2 frequency point transceiver channel, the f3 frequency point receiving channel and the f4 frequency point transmitting channel are electrically connected through through-interconnection. The radiation-resistant local oscillator unit body is a phase-locked frequency synthesizer with configurable frequency points.
[0029] The radio frequency sockets and intermediate frequency sockets of the f1 frequency transceiver channel, the f2 frequency transceiver channel, the f3 frequency receiving channel, and the f4 frequency transmitting channel are all located on the front side of the multi-channel transceiver channel.
[0030] The utility model can configure the local oscillator frequency control unit, and realize the switchability of the radiation-resistant local oscillator signal by adjusting the voltage control signal, so as to achieve the effect of multiplexing the local oscillator of the multi-channel receiving and transmitting channels, and realize a significant reduction in power consumption;
[0031] The utility model has the following advantages:
[0032] (1) The utility model adopts a modular miniaturized design, and each channel is designed to be universal. The local oscillator frequency can be adjusted through the local oscillator frequency control unit, so that various frequencies of multi-channel transceiver channels can be arbitrarily combined. The independent packaging form can effectively improve channel isolation; the peripheral circuit is simple, the types of components are effectively reduced, the complexity of PCB board-level design is simplified, and reliability is improved;
[0033] (2) In this technical solution, the radiation-resistant local oscillator unit and the multi-channel transceiver channel are designed to be interpenetrating, and the power management unit is integrated at the same time, finally realizing the design of a compact and low-power multi-channel transceiver channel on board, which has the characteristics of frequency reconfigurability;
[0034] (3) The utility model utilizes a local oscillator frequency control unit to realize the generation of radiation-resistant local oscillators with switchable frequencies and the amplification and driving power division unit of radiation-resistant local oscillators, thereby realizing low power consumption of the transceiver channel;
[0035] (4) The multi-channel transceiver channel includes transceiver channels at four frequencies: f1, f2, f3 and f4. The frequency range covers K-band to Ka-band. The corresponding local oscillator frequency is set through a configurable local oscillator frequency control unit, and the power is divided and output to each channel path to achieve broadband design and cover a wide frequency band.
[0036] (5) The technical state of the utility model is controllable, has the characteristic of expandable frequency band, achieves the effect of frequency reconfiguration, and is suitable for mass production. BRIEF DESCRIPTION OF THE DRAWINGS
[0037] Figure 1 The schematic diagram is a low-power, reconfigurable, high-isolation, multi-channel transceiver channel on board;
[0038] Figure 2 It is a top schematic diagram of a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel embodiment 1;
[0039] Figure 3 The bottom schematic diagram of a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel embodiment 1.
[0040] Reference numerals:
[0041] 1. f1 frequency point transceiver channel; 11. first radio frequency port; 12. first circulator; 13. f1 frequency point receiving channel; 131. first limiter; 132. first filter; 133. first amplifier; 134. first mixer; 135. first bandpass filter; 136. first intermediate frequency output port; 14. f1 frequency point sending channel; 141. first intermediate frequency input port; 142. second bandpass filter; 143. second mixer; 144. second amplifier; 145. second filter; 146. third amplifier; 2. f2 frequency point transceiver channel; 21. second radio frequency port; 22. second circulator; 23. f2 frequency point receiving channel; 231. third limiter; 232. third filter; 233. fourth amplifier; 234. third mixer; 235. third bandpass filter; 236. second intermediate frequency output port; 24 , f2 frequency transmission channel; 241, second intermediate frequency input port; 242, fourth band pass filter; 243, fourth mixer; 244, fifth amplifier; 245, fourth filter; 246, sixth amplifier; 3, f3 frequency receiving channel; 31, third radio frequency port; 32, fifth limiter; 33, fifth filter; 34, seventh amplifier; 35, fifth mixer; 36, fifth band pass filter; 37, third intermediate frequency output port; 4, f4 frequency transmission channel; 41, third intermediate frequency input port; 42, sixth band pass filter; 43, sixth mixer; 44, eighth amplifier; 45, sixth filter; 46, ninth amplifier; 47, fourth radio frequency port; 5, anti-radiation local oscillator unit; 51, anti-radiation local oscillator unit body; 52, local oscillator frequency control unit; 53, anti-radiation local oscillator amplification drive power division unit; 6, power supply module. DETAILED DESCRIPTION
[0042] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0043] Example 1
[0044] like Figures 1 to 3 As shown, a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel includes an f1 frequency transceiver channel 1, an f2 frequency transceiver channel 2, an f3 frequency receiving channel 3, and an f4 frequency transmitting channel 4 which are sequentially arranged, an anti-radiation local oscillator unit 5 which is electrically connected to the f1 frequency transceiver channel 1, the f2 frequency transceiver channel 2, the f3 frequency receiving channel 3, and the f4 frequency transmitting channel 4, and a power supply module 6 which is electrically connected to the f1 frequency transceiver channel 1, the f2 frequency transceiver channel 2, the f3 frequency receiving channel 3, the f4 frequency transmitting channel 4, and the anti-radiation local oscillator unit 5;
[0045] The f1 frequency transceiver channel 1, the f2 frequency transceiver channel 2, the f3 frequency receiving channel 3, and the f4 frequency transmitting channel 4 are all independently packaged on the front of the multi-channel transceiver channel, and the radiation-resistant local oscillator unit 5 and the power supply module 6 are connected to the back of the multi-channel transceiver channel. The radiation-resistant local oscillator unit 5 is connected to the f1 frequency transceiver channel 1, the f2 frequency transceiver channel 2, the f3 frequency receiving channel 3, and the f4 frequency transmitting channel 4 in a through-through manner;
[0046] The f1 frequency point transceiver channel 1 is used to up-convert the intermediate frequency signal to the f1 frequency point radio frequency signal and transmit it, and the f1 frequency point transceiver channel 1 is used to receive the f1 frequency point radio frequency signal and down-convert it to the intermediate frequency signal for output;
[0047] The f2 frequency point transceiver channel 2 is used to up-convert the intermediate frequency signal to the radio frequency signal of the f2 frequency point and transmit it, and the f2 frequency point transceiver channel 2 is used to receive the radio frequency signal of the f2 frequency point and down-convert it to the intermediate frequency signal for output;
[0048] The f3 frequency point transceiver channel 3 is used to receive the f3 frequency point radio frequency signal and down-convert it to an intermediate frequency signal for output;
[0049] The f4 frequency point transceiver channel 4 is used to up-convert the intermediate frequency signal to the f4 frequency point radio frequency signal and transmit it;
[0050] The radiation-resistant local oscillator unit 5 is used to provide a local oscillator signal for mixing to the transceiver channel 1 at the frequency point f1, the transceiver channel 2 at the frequency point f2, the receiving channel 3 at the frequency point f3 and the transmitting channel 4 at the frequency point f4;
[0051] The f1 frequency point transceiver channel 1 comprises a first radio frequency port 11 connected to radio frequency, a first circulator 12, and an f1 frequency point receiving channel 13 and an f1 frequency point transmitting channel 14 electrically connected to the first circulator 12 respectively;
[0052] The f1 frequency receiving channel 13 and the f1 frequency transmitting channel 14 are respectively integrated in two cavities and are both electrically connected to the radiation-resistant local oscillator unit 5;
[0053] The f1 frequency receiving channel 13 comprises a first limiter 131, a first filter 132, a first amplifier 133, a first mixer 134, a first bandpass filter 135, and a first intermediate frequency output port 136 which are electrically connected to one port of the first circulator 12 in sequence;
[0054] The f1 frequency transmission channel 14 comprises a first intermediate frequency input port 141, a second bandpass filter 142, a second mixer 143, a second amplifier 144, a second filter 145 and a third amplifier 146 which are electrically connected in sequence, and the third amplifier 146 is electrically connected to another port of the first circulator 12;
[0055] The first mixer 134 and the second mixer 143 are both electrically connected to the radiation-resistant local oscillator unit 5;
[0056] The f2 frequency point transceiver channel 2 comprises a second radio frequency port 21 connected to radio frequency, a second circulator 22, and an f2 frequency point receiving channel 23 and an f2 frequency point transmitting channel 24 electrically connected to the second circulator 22 respectively;
[0057] The f2 frequency receiving channel 23 and the f2 frequency transmitting channel 24 are respectively integrated in two cavities and are both electrically connected to the radiation-resistant local oscillator unit 5;
[0058] The f2 frequency receiving channel 23 includes a third limiter 231, a third filter 232, a fourth amplifier 233, a third mixer 234, a third bandpass filter 235, and a second intermediate frequency output port 236 which are electrically connected to one port of the second circulator 22 in sequence;
[0059] The f2 frequency transmission channel 24 comprises a second intermediate frequency input port 241, a fourth bandpass filter 242, a fourth mixer 243, a fifth amplifier 244, a fourth filter 245, and a sixth amplifier 246 which are electrically connected in sequence, and the sixth amplifier 246 is electrically connected to another port of the second circulator 22;
[0060] The third mixer 234 and the fourth mixer 243 are both electrically connected to the radiation-resistant local oscillator unit 5;
[0061] The f3 frequency receiving channel 3 comprises a third RF port 31, a fifth limiter 32, a fifth filter 33, a seventh amplifier 34, a fifth mixer 35, a fifth bandpass filter 36 and a third intermediate frequency output port 37 which are electrically connected in sequence, and the fifth mixer 35 is electrically connected to the radiation-resistant local oscillator unit 5;
[0062] The f3 frequency receiving channel 3 is integrated in one cavity;
[0063] The f4 frequency transmission channel 4 comprises a third intermediate frequency input port 41, a sixth bandpass filter 42, a sixth mixer 43, an eighth amplifier 44, a sixth filter 45, a ninth amplifier 46 and a fourth radio frequency port 47 which are electrically connected in sequence, and the sixth mixer 43 is electrically connected to the radiation-resistant local oscillator unit 5;
[0064] The f4 frequency transmission channel 4 is integrated in one cavity;
[0065] The frequency points f1, f2, f3 and f4 cover the frequency bands K to Ka;
[0066] The f1 frequency is 24.1GHz~25.2GHz, the f2 frequency is 25.1GHz~25.9GHz, the f3 frequency is 25.8GHz~26.9GHz, and the f4 frequency is 26.8GHz~27.9GHz;
[0067] The radiation-resistant local oscillator unit 5 includes an electrically connected radiation-resistant local oscillator unit body 51, a local oscillator frequency control unit 52 and an radiation-resistant local oscillator amplifying driving power division unit 53. The radiation-resistant local oscillator amplifying driving power division unit 53 is electrically connected to the mixers of the f1 frequency point transceiver channel 1, the f2 frequency point transceiver channel 2, the f3 frequency point receiving channel 3 and the f4 frequency point transmitting channel 4 through through-interconnection. The radiation-resistant local oscillator unit body 51 is a phase-locked frequency synthesizer with configurable frequency points.
[0068] The RF sockets and IF sockets of the f1 frequency transceiver channel 1, the f2 frequency transceiver channel 2, the f3 frequency receiving channel 3, and the f4 frequency transmitting channel 4 are all located on the front side of the multi-channel transceiver channel.
[0069] The utility model adopts a composite shared structure to realize the sharing of the satellite-borne low-power reconfigurable multi-channel transceiver channel and the radiation-resistant local oscillator unit 5, wherein the satellite-borne low-power multi-channel channel is on the front of the structure, and the power management unit 6, the radiation-resistant local oscillator unit 51, the local oscillator frequency control unit 52, and the radiation-resistant local oscillator amplification drive power division unit 53 are on the back of the module structure. The local oscillator distribution is realized by the local oscillator penetration method, so as to achieve the effect of high isolation, low power consumption and miniaturization.
[0070] The design method of the utility model is:
[0071] (1) First determine the frequency and number of channels of the multi-channel transceiver.
[0072] (2) Determine the electrical performance indicators and the frequency range of the radiation-resistant local oscillator through ADS simulation software.
[0073] (3) Obtain the setting range and circuit form of the local oscillator frequency conversion unit through calculation and device manual.
[0074] (4) Determine the structural dimensions of each functional part and the overall structure of the machine through Creo software.
[0075] The local oscillation frequency control unit 5 includes a voltage-frequency conversion circuit for controlling the frequency point of the anti-radiation local oscillation.
[0076] The multi-channel transceiver channel of the utility model provides a working layout model of six transceiver channels, including four frequency points of f1, f2, f3, and f4 covering the K-band to Ka-band, and includes six parts, wherein the first part is a transceiver channel with the function of up-conversion and down-conversion of the f1 frequency, the second part is a transceiver channel with the function of up-conversion and down-conversion of the f2 frequency, the third part is a receiving channel with the function of down-conversion of the f3 frequency, and the fourth part is a transmitting channel with the function of up-conversion of the f4 frequency. These four parts are on the front of the layout, the fifth part is an anti-radiation local oscillator generating and amplifying driving power division unit associated with the transceiver channel, and the sixth part is a power supply associated with the transceiver channel and the anti-radiation local oscillator generating and amplifying driving power division unit, which is on the back of the layout, and the power management unit controls and manages the power supply of the entire channel to realize power supply and power off. Through the method of through-interconnection and the like, the circuits such as the anti-radiation local oscillator generating and amplifying driving power division unit, the power management unit, and the local oscillator frequency control unit are connected with the transceiver channel on the front of the layout. This technical solution is used to provide six transceiver channels for the satellite communication system at the same time, which involves four frequency conversions. The radiation-resistant local oscillator unit is placed on the back of the multi-channel transceiver channel, and the connection between the local oscillator and the multi-channel transceiver channel is achieved by cross-penetration. The design takes into account the high isolation, low power consumption, and reconfigurable technical indicators of the transceiver channel, which significantly improves the performance of the entire satellite communication system.
[0077] The radiation-resistant local oscillator generation and amplification drive power division unit can switch the frequency. Considering that the intersatellite communication machine needs to have the frequency exchange function, a frequency-configurable phase-locked frequency synthesizer is used to realize the configuration change of the frequency. The frequency configuration is realized through the setting unit, and the frequency can be set to cover the K band to the Ka band, realizing the frequency switchable function of the radiation-resistant local oscillator.
[0078] The multi-channel transceiver channel realizes four channels, f1, f2, f3 and f4, and shares the radiation-resistant local oscillator unit 5, so as to achieve the effect of low power consumption, and realizes the reconfigurable design of the multi-channel transceiver channel through the reasonable frequency layout of the channel. The radiation-resistant local oscillator generation with switchable frequency and the radiation-resistant local oscillator amplification driving power division unit are realized through the local oscillator frequency control unit 52.
[0079] In this embodiment, the final size of the satellite-borne low-power reconfigurable multi-channel transceiver channel is 90mm×100mm×20mm. Compared with conventional satellite-borne channels, its volume is only about 30% of that of traditional PCBs, and its power consumption is 40% of that of traditional channels, effectively reducing power consumption and weight and improving reliability.
[0080] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A low-power, reconfigurable, high-isolation, multi-channel transceiver channel on board, characterized by: The invention comprises a f1 frequency transceiver channel (1), an f2 frequency transceiver channel (2), an f3 frequency receiving channel (3), and an f4 frequency transmitting channel (4) which are arranged in sequence; an anti-radiation local oscillator unit (5) which is electrically connected to the f1 frequency transceiver channel (1), the f2 frequency transceiver channel (2), the f3 frequency receiving channel (3), and the f4 frequency transmitting channel (4); and a power supply module (6) which is electrically connected to the f1 frequency transceiver channel (1), the f2 frequency transceiver channel (2), the f3 frequency receiving channel (3), the f4 frequency transmitting channel (4), and the anti-radiation local oscillator unit (5); The f1 frequency transceiver channel (1), the f2 frequency transceiver channel (2), the f3 frequency receiving channel (3), and the f4 frequency transmitting channel (4) are all independently packaged on the front of the multi-channel transceiver channel, the radiation-resistant local oscillator unit (5) and the power supply module (6) are both connected to the back of the multi-channel transceiver channel, and the radiation-resistant local oscillator unit (5) is connected to the f1 frequency transceiver channel (1), the f2 frequency transceiver channel (2), the f3 frequency receiving channel (3), and the f4 frequency transmitting channel (4) in a through-through manner; The f1 frequency point transceiver channel (1) is used to up-convert the intermediate frequency signal to the radio frequency signal of the f1 frequency point and transmit it, and the f1 frequency point transceiver channel (1) is used to receive the radio frequency signal of the f1 frequency point and down-convert it to the intermediate frequency signal for output; The f2 frequency point transceiver channel (2) is used to up-convert the intermediate frequency signal to a radio frequency signal at the f2 frequency point and transmit it, and the f2 frequency point transceiver channel (2) is used to receive the radio frequency signal at the f2 frequency point and down-convert it to an intermediate frequency signal for output; The f3 frequency receiving channel (3) is used to receive the radio frequency signal of the f3 frequency and down-convert it into an intermediate frequency signal for output; The f4 frequency transmission channel (4) is used to up-convert the intermediate frequency signal to a radio frequency signal at the f4 frequency and transmit it; The radiation-resistant local oscillator unit (5) is used to provide a local oscillator signal for mixing to the f1 frequency point transceiver channel (1), the f2 frequency point transceiver channel (2), the f3 frequency point receiving channel (3) and the f4 frequency point transmitting channel (4).
2. According to claim 1, a satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel is characterized by: The f1 frequency point transceiver channel (1) comprises a first radio frequency port (11) connected to radio frequency, a first circulator (12), and an f1 frequency point receiving channel (13) and an f1 frequency point transmitting channel (14) electrically connected to the first circulator (12) respectively; The f1 frequency point receiving channel (13) and the f1 frequency point transmitting channel (14) are respectively integrated in two cavities and are both electrically connected to the radiation-resistant local oscillator unit (5).
3. The satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel according to claim 2, characterized in that: The f1 frequency point receiving channel (13) comprises a first limiter (131), a first filter (132), a first amplifier (133), a first mixer (134), a first bandpass filter (135), and a first intermediate frequency output port (136) which are electrically connected in sequence to a port of the first circulator (12); The f1 frequency point transmission channel (14) comprises a first intermediate frequency input port (141), a second bandpass filter (142), a second mixer (143), a second amplifier (144), a second filter (145) and a third amplifier (146) which are electrically connected in sequence, and the third amplifier (146) is electrically connected to another port of the first circulator (12); The first mixer (134) and the second mixer (143) are both electrically connected to the radiation-resistant local oscillator unit (5).
4. The satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel according to claim 1, characterized in that: The f2 frequency point transceiver channel (2) comprises a second radio frequency port (21) connected by radio frequency, a second circulator (22), and an f2 frequency point receiving channel (23) and an f2 frequency point transmitting channel (24) respectively electrically connected to the second circulator (22); The f2 frequency point receiving channel (23) and the f2 frequency point transmitting channel (24) are respectively integrated in two cavities and are both electrically connected to the radiation-resistant local oscillator unit (5).
5. The satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel according to claim 4, characterized in that: The f2 frequency point receiving channel (23) comprises a third limiter (231), a third filter (232), a fourth amplifier (233), a third mixer (234), a third bandpass filter (235), and a second intermediate frequency output port (236) which are electrically connected in sequence to a port of the second circulator (22); The f2 frequency transmission channel (24) comprises a second intermediate frequency input port (241), a fourth bandpass filter (242), a fourth mixer (243), a fifth amplifier (244), a fourth filter (245), and a sixth amplifier (246) which are electrically connected in sequence, and the sixth amplifier (246) is electrically connected to another port of the second circulator (22); The third mixer (234) and the fourth mixer (243) are both electrically connected to the radiation-resistant local oscillator unit (5).
6. The satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel according to claim 1, characterized in that: The f3 frequency receiving channel (3) comprises a third radio frequency port (31), a fifth limiter (32), a fifth filter (33), a seventh amplifier (34), a fifth mixer (35), a fifth bandpass filter (36) and a third intermediate frequency output port (37) which are electrically connected in sequence, and the fifth mixer (35) is electrically connected to the radiation-resistant local oscillator unit (5); The f3 frequency point receiving channel (3) is integrated in a cavity.
7. The satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel according to claim 1, characterized in that: The f4 frequency transmission channel (4) comprises a third intermediate frequency input port (41), a sixth bandpass filter (42), a sixth mixer (43), an eighth amplifier (44), a sixth filter (45), a ninth amplifier (46) and a fourth radio frequency port (47) which are electrically connected in sequence, and the sixth mixer (43) is electrically connected to the radiation-resistant local oscillator unit (5); The f4 frequency point transmission channel (4) is integrated in a cavity.
8. The satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel according to claim 1, characterized in that: The f1 frequency point, the f2 frequency point, the f3 frequency point and the f4 frequency point cover the frequency K band to the Ka band.
9. The satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel according to claim 1, characterized in that: The frequency of f1 is 24.1GHz~25.2GHz, the frequency of f2 is 25.1GHz~25.9GHz, the frequency of f3 is 25.8GHz~26.9GHz, and the frequency of f4 is 26.8GHz~27.9GHz.
10. The satellite-borne low-power reconfigurable high-isolation multi-channel transceiver channel according to claim 1, characterized in that: The radiation-resistant local oscillator unit (5) comprises an electrically connected radiation-resistant local oscillator unit body (51), a local oscillator frequency control unit (52) and a radiation-resistant local oscillator amplifying driving power division unit (53); the radiation-resistant local oscillator amplifying driving power division unit (53) and the mixers of the f1 frequency point transceiver channel (1), the f2 frequency point transceiver channel (2), the f3 frequency point receiving channel (3) and the f4 frequency point transmitting channel (4) are all electrically connected via through-interconnection; the radiation-resistant local oscillator unit body (51) is a phase-locked frequency synthesizer with configurable frequency points; The radio frequency sockets and intermediate frequency sockets of the f1 frequency transceiver channel (1), the f2 frequency transceiver channel (2), the f3 frequency receiving channel (3), and the f4 frequency transmitting channel (4) are all located on the front side of the multi-channel transceiver channel.