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CN-122026994-A - High-power high-linearity transceiver for satellite communication

CN122026994ACN 122026994 ACN122026994 ACN 122026994ACN-122026994-A

Abstract

The invention discloses a high-power high-linearity transceiver for satellite communication, wherein one side of the interior of a case is a functional area, the other side of the interior of the case is a heat dissipation area, a frequency conversion module, a control module and a power management module are arranged in the functional area, the frequency conversion module comprises an up-converter and a down-converter, an up-conversion output interface, a power amplification input interface, an up-conversion input interface, a power amplification output interface, a down-conversion input interface and a down-conversion output interface are arranged on the side surface of the case surrounding the functional area, a signal interface of the control module is respectively connected with the up-converter, the down-converter, a power amplifier and the power management module, and the power management module is respectively connected with power supply interfaces of the up-converter, the down-converter and the power amplifier. The invention integrates the uplink channel and the downlink channel into a whole, realizes the signal function requirement and the heat dissipation requirement in the internal partition of the case, is beneficial to mass production of engineering, and realizes independent power supply of each functional module by outputting multiple paths of isolated power sources by the power management module.

Inventors

  • JI XIAN
  • PU WEITAO
  • FANG ZHIHONG
  • ZOU KUN

Assignees

  • 中航光电科技股份有限公司

Dates

Publication Date
20260512
Application Date
20260210

Claims (10)

  1. 1. A high-power high-linearity transceiver for satellite communication is characterized by comprising a case (26), wherein one side in the case is a functional area, the other side is a heat dissipation area for discharging heat generated by the functional area during operation from the case, a frequency conversion module (1), a control module (3) and a power management module (4) are arranged in the functional area, the frequency conversion module comprises an up-converter positioned on an uplink channel and a down-converter positioned on a downlink channel, an up-conversion output interface (14), a power amplification input interface (15), an up-conversion input interface (16), a power amplification output interface (30) and a down-conversion input interface (29) are arranged on the side surface of the case surrounding the functional area, the up-converter output interface (14) of the up-converter is connected with a power amplification input interface (15) of a power amplifier through a cable, the output interface of the power amplifier is connected with an input interface of a combiner module (8), a first signal interface of the control module (3) is connected with a signal interface of the up-converter, a second signal interface of the power amplifier is connected with a signal management interface of a fourth interface of the power amplifier, and a signal management interface of the power amplifier is connected with a signal interface of a fourth interface of the power amplifier, the second output interface of the combiner module (8) is connected with the input interface of the control module (3) through the detection module (6), the first output interface of the power management module is connected with the power supply interface of the up-converter, the second output interface of the power management module is connected with the power supply interface of the down-converter, and the third output interface of the power management module is connected with the power supply interface of the power amplifier.
  2. 2. A high power and high linearity transceiver for satellite communication according to claim 1, wherein a side of the chassis near the functional area is provided with an opening structure, and the opening structure is connected with a chassis cover plate (28), and a conductive sealing rubber strip is arranged between the chassis cover plate and the opening structure.
  3. 3. A high power, high linearity transceiver for satellite communications as defined in claim 1, wherein the up-converter output interface (14) is connected to the power amplifier input interface (15) by a rigid coaxial cable.
  4. 4. A high-power high-linearity transceiver for satellite communication according to claim 1, wherein a downlink channel at the rear side of a down converter is connected with an input interface of an intermediate frequency high-dynamic input processing circuit through an intermediate frequency extraction circuit, the intermediate frequency high-dynamic input processing circuit comprises a matching attenuation circuit (3201), an intermediate frequency coupling monitoring channel (3202), a first single-pole multi-throw switch (3203), a second single-pole multi-throw switch (3204) and a band-pass filter (3205) which are sequentially arranged in series along the signal flow direction, a low-power amplifying channel (3206), a medium-power through channel (3207) and a high-power attenuation channel (3208) which are distributed in parallel are arranged between the gear positions of the first single-pole multi-throw switch and the corresponding gear positions of the second single-pole multi-throw switch, the output interface of the intermediate frequency high-dynamic input processing circuit is connected with a first output interface of a control module (3) respectively.
  5. 5. A high power, high linearity transceiver for satellite communications as defined in claim 1, wherein: the up-channel at the front side of the up-converter and the down-channel at the rear side of the down-converter are respectively connected with the input interface of a clock synchronization circuit through a clock extraction circuit, the clock synchronization circuit comprises a third single-pole multi-throw switch (3301), a first amplifier (3302), a first attenuator (3303), a phase-locked crystal oscillator (3304), a second amplifier (3305) and a first power division circuit (3306), two gears of the third single-pole multi-throw switch are respectively connected with two clock signal up-channels, the third single-pole multi-throw switch (3301) is connected with the second output interface of a control module (3), one output channel of the first power division circuit is provided with a second attenuator (3307), a first low-pass filter (3308) and the other output channel of the first power division circuit are sequentially connected in series, one output channel of the second power division circuit is provided with a third attenuator (3300), a second low-pass filter (3301) and the other output channel of the second power division circuit is provided with a third attenuator (3309) which is connected in series, the other output channel of the second power division circuit is provided with any one output channel of the second power division circuit is connected with the second attenuator (3311) and the other output interface of the second power division circuit is connected with the clock synchronization circuit (100 MHz), and the output interface of the clock synchronization circuit is connected with the clock synchronization circuit (100 MHz, and the output signals of the output channel of the second power division circuit is connected with the second signal (331MHz 3 MHz and the output channel is connected with the output signal through the output interface of the output signal through the second attenuator (phase attenuator (3303) and the output signal communication circuit through the output interface, the remaining one is connected to a down converter.
  6. 6. A high-power high-linearity transceiver for satellite communication according to claim 1, wherein a plurality of fan modules (23) and air duct side plates (25) are arranged on the side surface of the chassis surrounding the heat dissipation area through a fan protection cover (24), a third output interface of the control module (3) is connected with the fan modules (23), and a fourth output interface of the power management module is connected with the fan modules (23).
  7. 7. A high power, high linearity transceiver for satellite communications as defined in claim 6, wherein a plurality of cooling fins (31) are provided on the side of the chassis surrounding the heat dissipation area.
  8. 8. A high power, high linearity transceiver for satellite communications as defined in claim 7 wherein the plurality of fan modules and the plurality of cooling fins are located on opposite sides of the chassis, respectively, and the air duct side plate is located on a side of the chassis between the fan modules and the cooling fins.
  9. 9. The high-power high-linearity transceiver for satellite communication according to any of claims 1-8, wherein a debugging interface (10), an attenuation switch (11), a network reporting interface (12), a transmitting clock indicator lamp (19), a receiving clock indicator lamp (20) and a status indicator lamp (21) which are connected with a control module are further arranged on the side surface of the chassis of the enclosure functional area, an LNA power supply interface (9), a 220V alternating current power supply interface (13) and a power supply status indicator lamp (22) which are connected with a power management module are further arranged on the side surface of the chassis of the enclosure functional area, and a grounding column (18) is further arranged on the side surface of the chassis of the enclosure functional area.
  10. 10. A high power, high linearity transceiver for satellite communication as defined in any of claims 1-8, wherein a retractable handle (27) is further provided on the side of the chassis.

Description

High-power high-linearity transceiver for satellite communication Technical Field The invention belongs to the technical field of satellite communication, and particularly relates to a high-power high-linearity transceiver for satellite communication. Background Along with the rapid promotion of the satellite network engineering, wei Tongtong communication technology is rapidly developed, and a high-power transceiver is used as a core unit for the communication between a ground satellite station and a satellite, so that the rapid promotion is achieved, and an uplink and downlink channel integrated transceiving technology, a high-power high-linearity transmitting technology and a low-cost technology are highly valued by the industry. In order to improve the efficiency of satellite ground station satellite communications and the low cost capability of satellite communications, the development of highly integrated, high power, high linearity transceivers has become a major research context for satellite communications. At present, a transceiver for communicating with a satellite on a satellite ground station is designed separately and independently in an uplink channel (i.e. a transmitting channel) and a downlink channel (i.e. a receiving channel), and mainly a transmitter and a receiver respectively complete the signal transmitting function of the uplink channel and the receiving function of the downlink channel. The satellite communication radio frequency link architecture needs two sets of equipment, has higher communication cost and lower integration level, and has transceivers for integrating uplink and downlink channels at present, but has the defects of excessively complex structure, excessively complex design of a transmitting channel, inconvenience in mass production of engineering, requirement of the same frequency synthesizer for the intermingling of the uplink and downlink channels and complex circuit connection. Disclosure of Invention Aiming at the defects of the existing transceiver, the invention aims to provide a high-power high-linearity transceiver for satellite communication, which integrates the transmitting function of an uplink channel and the receiving function of a downlink channel, thereby being beneficial to mass engineering production. The high-power high-linearity transceiver for satellite communication comprises a case 26, wherein one side of the inside of the case is a functional area, the other side of the inside of the case is a heat dissipation area for discharging heat generated during operation of the functional area from the inside of the case, a frequency conversion module 1, a control module 3 and a power management module 4 are arranged in the functional area, the frequency conversion module comprises an up-converter positioned on an uplink channel and a down-converter positioned on a downlink channel, an up-conversion output interface 14, a power amplifier input interface 15, an up-conversion input interface 16, a power amplifier output interface 30 and a down-conversion input interface 29 are arranged on the side of the case of a fence functional area, the up-converter output interface 14 of the up-converter is connected with the power amplifier input interface 15 through a cable, the output interface of the power amplifier is connected with the input interface of a combiner module 8, the first output interface of the combiner module is connected with the power amplifier output interface 30, the first signal interface of the control module 3 is connected with the signal interface of the up-converter, the second signal interface of the down-converter is connected with the signal interface of the power amplifier output interface 7, the power amplifier output interface of the power module is connected with the power amplifier output interface of the power management module is connected with the power amplifier output interface of the power amplifier through a power amplifier output interface of the power amplifier module through a cable, and the power amplifier output interface of the power module is connected with the power amplifier output interface of the power module. By means of the technical scheme, the high-power high-linearity transceiver for satellite communication has the following effects: (1) The application integrates the uplink channel and the downlink channel, so that the integration level of the transceiver is higher, the number of devices and the use complexity are reduced, the cost is lower, meanwhile, the signal function requirement and the heat dissipation requirement are realized in the internal partition of the case, the structure is simple, the use efficiency of the transceiver is higher, and the mass production of engineering is facilitated; (2) The down converter comprises a frequency synthesis function circuit and a down conversion channel conditioning function circuit, is used for completing the down conversion function of K-band received signal