A frequency point configurable V-band satellite-borne high-power communication transmitter

Abstract

The application discloses a frequency point configurable V-band satellite-borne high-power communication transmitter, which comprises a frequency source module, a V-band up-conversion module and a V-band power amplifier module.The frequency source module is used for receiving an external clock signal, generating a clock output signal for intermediate frequency signal processing and a primary local oscillation signal and a secondary local oscillation signal; the V-band up-conversion module is used for receiving the intermediate frequency signal, the primary local oscillation signal and the secondary local oscillation signal, amplifying and twice frequency-converting the intermediate frequency signal to generate a V-band signal; and the V-band power amplifier module is used for receiving the V-band signal for power amplification and outputting to an antenna.The frequency source module comprises a single-chip microcomputer and a configurable frequency source, the single-chip microcomputer configures the configurable frequency source according to a frequency control signal to change the frequency of the local oscillation signal, so that the configuration of different transmission signal frequencies is realized.The application adopts a unified hardware platform, can realize the flexible configuration of a low-orbit satellite intersatellite communication transmitter in a V-band, and further reduces the device cost and improves the process maturity.

Description

Technical Field

[0001] This application relates to the field of inter-satellite communication technology, and in particular to a V-band spaceborne high-power communication transmitter with configurable frequency. Background Technology

[0002] In satellite engineering, onboard link design is becoming increasingly complex, and onboard electromagnetic interference (EMI) issues encountered in payload, telemetry, tracking, command and control, data transmission, and inter-satellite communication are becoming more prominent. Traditional onboard frequency bands include L-band, S-band, C-band, and Ka-band. To optimize onboard EMI design, the demand for V-band inter-satellite communication is becoming increasingly urgent. However, V-band communication equipment suffers from high component costs, immature manufacturing processes, and complex testing systems. Summary of the Invention

[0003] The purpose of this application is to provide a V-band spaceborne high-power communication transmitter with configurable frequency points, in order to solve the problems of high device cost and immature technology in V-band spaceborne communication transmitters for low-Earth orbit satellites, and to achieve flexible configuration of V-band spaceborne communication transmitter frequency points.

[0004] The technical solution provided in this application is: a V-band spaceborne high-power communication transmitter with configurable frequency points, comprising: The frequency source module is used to receive external clock signals and generate clock output signals for intermediate frequency signal processing, as well as primary and secondary local oscillator signals. The V-band upconversion module is used to receive intermediate frequency signals, primary local oscillator signals, and secondary local oscillator signals, and to amplify and perform secondary frequency conversion on the intermediate frequency signals to generate V-band signals. V-band power amplifier module, used to receive the V-band signal, amplify the power, and output it to the antenna; The frequency source module includes a microcontroller and a configurable frequency source. The microcontroller configures the configurable frequency source according to the frequency control signal to change the frequency of the local oscillator signal, thereby realizing the configuration of different transmission signal frequencies.

[0005] Preferably, the frequency source module includes a phase-locked temperature-controlled crystal oscillator, a first amplifier, a first power divider, a first filter, a second power divider, a first configurable frequency source, a second amplifier, a frequency multiplier, a second filter, a third amplifier, a second configurable frequency source, and a microcontroller. The phase-locked thermostatic crystal oscillator receives the clock input signal, which passes through the first amplifier and the first power divider in sequence, and then passes through the first filter to output a high-stability clock output signal. The other output of the first power divider is split into two paths after passing through the second power divider. One path passes through the second configurable frequency source and generates the variable frequency local oscillator signal under the control of the microcontroller. The other path of the second power divider sequentially passes through a first configurable frequency source, a second amplifier, a frequency multiplier, a second filter, and a third amplifier to generate the variable-frequency secondary local oscillator signal.

[0006] Preferably, in the frequency source module: The first configurable frequency source receives the synchronous clock generated by the frequency source module, outputs a clock signal, and outputs a secondary local oscillator signal after amplification and frequency multiplication. The second configurable frequency source receives the synchronous clock generated by the frequency source module and outputs a local oscillator signal.

[0007] Preferably, the V-band upconversion module includes a third filter, a fourth amplifier, a fourth filter, a first mixer, a fifth filter, a fifth amplifier, a sixth filter, a sixth amplifier, a second mixer, a seventh filter, a seventh amplifier, an eighth filter, an eighth amplifier, a ninth filter, a ninth amplifier, and a first waveguide converter; The intermediate frequency input signal is sequentially passed through the third filter, the fourth amplifier, and the fourth filter before being input into the first mixer; the primary local oscillator signal is passed through the fifth amplifier and the fifth filter before being input into the first mixer for mixing to obtain the primary up-converted signal; The first up-converted signal is sequentially passed through the sixth filter and the sixth amplifier before being input into the second mixer; the second local oscillator signal is passed through the seventh amplifier and the seventh filter before being input into the second mixer for mixing to obtain the V-band signal after the second up-conversion. The V-band signal is sequentially output to the V-band power amplifier module via the eighth filter, the eighth amplifier, the ninth filter, the ninth amplifier, and the first waveguide converter.

[0008] Preferably, the second mixer integrates a frequency multiplier to multiply the received clock signal to generate a secondary local oscillator signal, which is then mixed with a primary up-converted signal.

[0009] Preferably, the V-band power amplifier module includes a tenth filter, a second waveguide converter, a tenth amplifier, a third waveguide converter, a magic-T power divider, an eleventh amplifier, a twelfth amplifier, a magic-T combiner, a waveguide coupler, a detector, a waveguide isolator, and an eleventh filter. The V-band signal passes sequentially through the tenth filter, the second waveguide converter, the tenth amplifier, and the third waveguide converter, and is then split into two signals by the Magic-T power divider. The two signals are amplified by the eleventh amplifier and the twelfth amplifier respectively, and then combined by the magic-T combiner. The combined signal is output as a high-power V-band transmission signal via a waveguide coupler, a waveguide isolator, and an eleventh filter. The detector is connected to the waveguide coupler and is used to output a power detection voltage signal.

[0010] Preferably, the surface coating of the Magic-T power divider and Magic-T combiner is silver-plated to reduce insertion loss.

[0011] Preferably, the V-band upconverter module and the V-band power amplifier module are separate structural components, and the two are connected by a BJ620 waveguide.

[0012] Preferably, the microcontroller has a general-purpose I / O interface and an SPI interface, and receives frequency control signals to configure the output frequency of the first configurable frequency source and the second configurable frequency source.

[0013] Preferably, the V-band power amplifier module has two states: transmitter on and transmitter off, and the power on / off state can be switched according to the transmitter switch control signal.

[0014] Compared with the prior art, this application has the following advantages: This application is based on a unified hardware platform and achieves different transmission signal frequencies by changing the configuration software. It does not require the replacement of components, thus achieving a universal design, reducing development costs, and improving process maturity. It is particularly suitable for large-scale satellite networking engineering applications in mass production. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the system composition of a V-band spaceborne high-power communication transmitter with configurable frequency points as described in this application. Detailed Implementation

[0016] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. This application can also be implemented or applied through other different specific embodiments, and various details in this specification can be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0017] It should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0018] Example Inter-satellite communication equipment is used to fulfill the communication and networking needs between different satellites, and typically consists of an inter-satellite communication transmitter and an inter-satellite communication receiver. Inter-satellite communication systems mainly include time division multiple access (TDMA) and frequency division multiple access (FDMA), both involving the design of different frequency points. To effectively avoid electromagnetic interference on satellites, support different communication systems, reduce development costs, improve process maturity, and adapt to large-scale satellite networking projects requiring mass production, a V-band inter-satellite communication transmitter with a unified hardware platform needs to be designed. Different V-band transmission signal frequencies can be achieved by modifying the configuration software.

[0019] like Figure 1 As shown, this embodiment provides a frequency-configurable V-band spaceborne high-power communication transmitter, including: The frequency source module is used to receive external clock signals to generate clock output signals for intermediate frequency signal processing, as well as primary and secondary local oscillator signals; V-band upconverter module, used to receive intermediate frequency signals and amplify and convert them in stages; The V-band power amplifier module is used to receive V-band signals, amplify them at high power, and then output them to the antenna.

[0020] This embodiment uses a unified hardware platform and achieves different transmission signal frequencies by changing the configuration software. It does not require replacing components, thus achieving a universal design, reducing development costs, and improving process maturity. It is particularly suitable for large-scale satellite networking engineering applications in mass production.

[0021] The frequency source module, located within the V-band upconverter module, includes a phase-locked cryogenic crystal oscillator 1, a first amplifier 2, a first power divider 3, a first filter 4, a second power divider 5, a first configurable frequency source 6, a second amplifier 7, a frequency multiplier 8, a second filter 9, a third amplifier 10, a second configurable frequency source 11, and a microcontroller 12. The connection relationships of each component are shown in the attached figure. Figure 1 As shown. In this embodiment, the frequency source module receives the clock input signal, passes through a phase-locked crystal oscillator 1, a first amplifier 2, a first power divider 3, and a first filter 4, and outputs a high-stability clock output signal. Another signal from the first power divider 3 passes through a second power divider 5 and a second configurable frequency source 11. The microcontroller 12 configures the primary local oscillator signal frequency according to the frequency control signal. Another signal from the second power divider 5 passes through a first configurable frequency source 6. The microcontroller 12 configures the clock output signal according to the frequency control signal, and then passes through a second amplifier 7, a frequency multiplier 8, a second filter 9, and a third amplifier 10 to generate a secondary local oscillator signal. The generated variable primary and secondary local oscillator signals are mixed twice with the intermediate frequency input signal to obtain the V-band transmission signal. Specifically, the input clock signal frequency is 10MHz, and the power range is 6~10dBm. The main module functions are as follows: The phase-locked crystal oscillator 1 is used to synchronize the output clock signal with the input clock and output a highly stable clock signal. Preferably, the input frequency of the phase-locked crystal oscillator 1 is 10MHz, the clock output signal frequency is 100MHz, and the clock output signal power range is 3~7dBm.

[0022] The first filter 4 is used to filter out harmonics and outputs a synchronous, high-stability, low-spurious-frequency clock signal to serve as the operating clock for the intermediate frequency processing module, ensuring that the modulated signal can be used for inter-satellite ranging and intermediate frequency signal processing. Preferably, the first filter 4 has a harmonic suppression greater than 30dBc.

[0023] The first configurable frequency source 6 is controlled by a microcontroller 12 and is used to generate a secondary local oscillator signal from the received signal. Preferably, the first configurable frequency source 6 has an input frequency of 100MHz, an output signal frequency of 10.3GHz, and an output signal power range of 0~2dBm.

[0024] The frequency multiplier 8 is used to double the frequency of the received signal to obtain a secondary local oscillator signal. Preferably, the frequency of the secondary local oscillator signal output by the frequency multiplier 8 is 20.6 GHz, and the output signal power is greater than 0 dBm.

[0025] The third amplifier 10 is used to amplify the received secondary local oscillator signal. Preferably, the amplification gain of the third amplifier 10 is greater than 15dB.

[0026] The second configurable frequency source 11 is controlled by a microcontroller 12 and outputs a variable primary local oscillator signal for primary upconversion of the V-band upconversion module. In this embodiment, the second configurable frequency source 11 has an input frequency of 100MHz, an output primary local oscillator signal frequency range of 6.5~6.6GHz and 7.3~7.4GHz, and an output signal power range of 0~2dBm.

[0027] The microcontroller 12 receives frequency control signals and configures the frequencies of the first configurable frequency source 6 and the second configurable frequency source 11. In this embodiment, the microcontroller 12 is selected to have radiation resistance specifications and is equipped with a general-purpose I / O interface and an SPI interface.

[0028] The V-band upconverter module includes a third filter 13, a fourth amplifier 14, a fourth filter 15, a first mixer 16, a fifth filter 17, a fifth amplifier 18, a sixth filter 19, a sixth amplifier 20, a second mixer 21, a seventh filter 22, a seventh amplifier 23, an eighth filter 24, an eighth amplifier 25, a ninth filter 26, a ninth amplifier 27, and a first waveguide converter 28. The connection relationships of each component are shown in the attached figure. Figure 1As shown in the diagram. In this embodiment, the V-band upconversion module receives the intermediate frequency input signal, which is then passed sequentially through the third filter 13, the fourth amplifier 14, and the fourth filter 15, and mixed with the primary local oscillator signal obtained through the fifth amplifier 18 and the fifth filter 17 to obtain the signal after primary upconversion. The signal is then passed through the sixth filter 19 and the sixth amplifier 20, and mixed with the secondary local oscillator signal obtained through the seventh amplifier 23 and the seventh filter 22 to obtain the V-band signal after secondary upconversion. Finally, the signal passes through the eighth filter 24, the eighth amplifier 25, the ninth filter 26, the ninth amplifier 27, and the first waveguide converter 28, and outputs the V-band transmission signal to the V-band power amplifier module for amplification, resulting in a high-power V-band transmission signal. Specifically, the intermediate frequency input range is 1740~1860MHz. After one frequency conversion, a signal with a frequency range of 8300~8400MHz and 9100~9200MHz is obtained. After a second frequency conversion, a signal with a frequency range of V-band is obtained. This signal is output to the V-band power amplifier module with an output power of 10~12dBm. The main module functions are as follows: The third filter 13 filters the received intermediate frequency signal to reduce signal spurious signals. Preferably, the passband frequency range of the third filter 13 is 1740~1860MHz, the suppression at a frequency 200MHz away from the center frequency is greater than 40dBc, and the insertion loss is less than 3.2dB.

[0029] The first mixer 16 is used to mix the intermediate frequency signal after pre-stage filtering and amplification with the primary local oscillator signal to generate a variable up-converted signal. Preferably, the local oscillator power of the first mixer is greater than 13dBm, the RF output frequency range is 3~12GHz, and the conversion loss is less than 8dB.

[0030] The sixth filter 19 filters the received first-converted signal to reduce signal spurious signals. Preferably, the passband frequency range of the sixth filter 19 is 8290~8410MHz and 9090~9210MHz, the suppression at 200MHz away from the center frequency of the passband is greater than 40dBc, and the insertion loss is less than 2dB.

[0031] The second mixer 21 is used to mix the variable first-stage up-converted signal after filtering and amplification by the pre-stage mixer with the frequency-multiplied second-stage local oscillator signal to generate a variable V-band transmission signal. Preferably, the second mixer 21 integrates a frequency multiplier, has a local oscillator power greater than 16dBm, an RF output frequency range of V-band, and a conversion loss of less than 10dB.

[0032] The eighth filter 24 is used for local oscillator and broadband suppression. In this embodiment, a quartz filter is used, which has a suppression degree of more than 30dBc for local oscillator signals and out-of-band signals.

[0033] The eighth amplifier 25 is used for the first stage of amplification after the second mixing. In this embodiment, the transmit signal power output by the second mixer 21 is -10dBm, requiring four stages of power amplification to ultimately amplify the transmitter's signal power to 33dBm. Preferably, the eighth amplifier 25 has an amplification gain greater than 21dB and a noise figure less than 1.8dB.

[0034] The ninth amplifier 27 performs a second-stage amplification on the V-band signal. In this embodiment, the ninth amplifier 27 has an amplification gain greater than 21dB and a noise figure less than 3.2dB.

[0035] The first waveguide converter 28 converts microstrip line transmission to waveguide transmission, and its output is connected to a variable V-band transmit signal via a waveguide to be amplified by a V-band power amplifier module. Preferably, the first waveguide converter 28 adopts a probe sintering sealed structure, with a differential loss of less than 0.5dB.

[0036] The V-band power amplifier module and the V-band upconverter module are separated into two structural components, including the tenth filter 29, the second waveguide converter 30, the tenth amplifier 31, the third waveguide converter 32, the magic-T power divider 33, the eleventh amplifier 34, the twelfth amplifier 35, the magic-T combiner 36, the waveguide coupler 37, the detector 38, the waveguide isolator 39, and the eleventh filter 40. The connection relationship of each component unit is shown in the attached figure. Figure 1 As shown. In this embodiment, the V-band power amplifier module receives the signal from the V-band upconverter module, which then passes sequentially through the tenth filter 29, the second waveguide converter 30, the tenth amplifier 31, and the third waveguide converter 32. The signal is then split by the magic-T power divider 33 and sent to the eleventh amplifier 34 and the twelfth amplifier 35 for fourth-stage amplification. After being combined by the magic-T combiner 36, the signal passes through the waveguide coupler 37, the waveguide isolator 39, and the eleventh filter 40 to obtain a high-power V-band transmit signal. The detector 38 is connected to the waveguide coupler 37 and outputs a transmit power voltage telemetry signal. Specifically, the power of the variable V-band transmit signal output by the V-band power amplifier module is 33dBm. The main module functions are as follows: The tenth filter 29 filters the received variable V-band signal to reduce signal spurious signals. Preferably, the passband frequency range of the tenth filter 29 is the V-band, with a suppression degree greater than 50 dBc at a deviation of 5 GHz from the center frequency and an insertion loss of less than 0.5 dB.

[0037] The second waveguide converter 30 converts waveguide transmission to microstrip line transmission; the third waveguide converter 32 converts microstrip line transmission to waveguide transmission. Preferably, both the second waveguide converter 30 and the third waveguide converter 32 employ a probe-sintered sealed structure, with a differential loss of less than 0.5 dB.

[0038] The Magic-T power divider 33 splits the V-band signal into two paths for power amplification. Preferably, the Magic-T power divider 33 has a silver-plated surface coating, with a differential loss of less than 0.1dB and a return loss of less than -25dB.

[0039] The eleventh amplifier 34 and the twelfth amplifier 35 respectively perform fourth-stage amplification on the V-band transmitted signal. Preferably, the amplification gain of the eleventh amplifier 34 and the twelfth amplifier 35 is greater than 20dB. The Magic-T combiner 36 combines two V-band signals after power amplification into one. Preferably, the Magic-T combiner 36 has a silver-plated surface coating, with a differential loss of less than 0.1dB and a return loss of less than -25dB.

[0040] The waveguide coupler 37 is used to couple out one signal and output it to the detector 38 to generate a power detection voltage; and to couple out another signal to generate a transmission signal and output it. Preferably, the waveguide coupler 37 is a waveguide double cross directional coupler with a coupling degree of 29dB, a return loss of less than -30dB, and an isolation port energy of less than 48dB.

[0041] The detector 38 is used to perform power detection on one coupled signal and output a transmit power telemetry voltage output signal. In this embodiment, the level range of the transmit power voltage telemetry signal output by the detector 38 is 0~3.3V.

[0042] The waveguide isolator 39 is used to suppress back-reflected signals, ensuring stable operation of the transmitter and protecting internal components. In this embodiment, the insertion loss of the waveguide isolator 39 is less than 0.8 dB.

[0043] The eleventh filter 40 is used to filter high-power signals in the variable V-band to suppress noise signals. Preferably, the passband frequency range of the eleventh filter 40 is the V-band, with a suppression degree greater than 50 dBc at a distance of 5 GHz from the center frequency and an insertion loss of less than 0.5 dB.

[0044] The V-band power amplifier module has two states: transmitter on and transmitter off. It can switch between the on / off states according to the transmitter switch control signal, and outputs a high-power transmission signal normally or no transmission signal output. When the transmitter is on, the V-band power amplifier module outputs a high-power transmission signal with an output power greater than 33dBm; When the transmitter is in the active state, the V-band power amplifier module has no transmit signal output and the output power is less than -40dBm.

[0045] The V-band upconverter module and the V-band power amplifier module are connected using BJ620 waveguides. The maximum length of the BJ620 waveguide is 1 meter. The positions of the V-band upconverter module and the V-band power amplifier module are flexibly arranged according to the thermal design of the satellite platform layout and the feeder loss requirements.

[0046] The embodiments of this application have been described in detail above with reference to the accompanying drawings, but this application is not limited to the above embodiments. Even if various changes are made to this application, if these changes fall within the scope of the claims of this application and their equivalents, they shall still fall within the protection scope of this application.

Claims

1. A frequency-configurable V-band spaceborne high-power communication transmitter, characterized in that, include: The frequency source module is used to receive external clock signals and generate clock output signals for intermediate frequency signal processing, as well as primary and secondary local oscillator signals. The V-band upconversion module is used to receive intermediate frequency signals, primary local oscillator signals, and secondary local oscillator signals, and to amplify and perform secondary frequency conversion on the intermediate frequency signals to generate V-band signals. V-band power amplifier module, used to receive the V-band signal, amplify the power, and output it to the antenna; The frequency source module includes a microcontroller and a configurable frequency source. The microcontroller configures the configurable frequency source according to the frequency control signal to change the frequency of the local oscillator signal, thereby realizing the configuration of different transmission signal frequencies.

2. The V-band spaceborne high-power communication transmitter with configurable frequency points as described in claim 1, characterized in that, The frequency source module includes a phase-locked temperature-controlled crystal oscillator, a first amplifier, a first power divider, a first filter, a second power divider, a first configurable frequency source, a second amplifier, a frequency multiplier, a second filter, a third amplifier, a second configurable frequency source, and a microcontroller. The phase-locked thermostatic crystal oscillator receives the clock input signal, which passes through the first amplifier and the first power divider in sequence, and then passes through the first filter to output a high-stability clock output signal. The other output of the first power divider is split into two paths after passing through the second power divider. One path passes through the second configurable frequency source and generates the variable frequency local oscillator signal under the control of the microcontroller. The other path of the second power divider sequentially passes through a first configurable frequency source, a second amplifier, a frequency multiplier, a second filter, and a third amplifier to generate the variable-frequency secondary local oscillator signal.

3. The frequency-configurable V-band spaceborne high-power communication transmitter as described in claim 2, characterized in that, In the frequency source module: The first configurable frequency source receives the synchronous clock generated by the frequency source module, outputs a clock signal, and outputs a secondary local oscillator signal after amplification and frequency multiplication. The second configurable frequency source receives the synchronous clock generated by the frequency source module and outputs a local oscillator signal.

4. The V-band spaceborne high-power communication transmitter with configurable frequency points as described in claim 1, characterized in that, The V-band upconversion module includes a third filter, a fourth amplifier, a fourth filter, a first mixer, a fifth filter, a fifth amplifier, a sixth filter, a sixth amplifier, a second mixer, a seventh filter, a seventh amplifier, an eighth filter, an eighth amplifier, a ninth filter, a ninth amplifier, and a first waveguide converter; The intermediate frequency input signal is sequentially passed through the third filter, the fourth amplifier, and the fourth filter before being input into the first mixer; the primary local oscillator signal is passed through the fifth amplifier and the fifth filter before being input into the first mixer for mixing to obtain the primary up-converted signal; The first up-converted signal is sequentially passed through the sixth filter and the sixth amplifier before being input into the second mixer; the second local oscillator signal is passed through the seventh amplifier and the seventh filter before being input into the second mixer for mixing to obtain the V-band signal after the second up-conversion. The V-band signal is sequentially output to the V-band power amplifier module via the eighth filter, the eighth amplifier, the ninth filter, the ninth amplifier, and the first waveguide converter.

5. The frequency-configurable V-band spaceborne high-power communication transmitter as described in claim 4, characterized in that, The second mixer integrates a frequency multiplier to multiply the received clock signal to generate a secondary local oscillator signal, which is then mixed with the primary up-converted signal.

6. The V-band spaceborne high-power communication transmitter with configurable frequency points as described in claim 1, characterized in that, The V-band power amplifier module includes a tenth filter, a second waveguide converter, a tenth amplifier, a third waveguide converter, a magic-T power divider, an eleventh amplifier, a twelfth amplifier, a magic-T combiner, a waveguide coupler, a detector, a waveguide isolator, and an eleventh filter. The V-band signal passes sequentially through the tenth filter, the second waveguide converter, the tenth amplifier, and the third waveguide converter, and is then split into two signals by the Magic-T power divider. The two signals are amplified by the eleventh amplifier and the twelfth amplifier respectively, and then combined by the magic-T combiner. The combined signal is output as a high-power V-band transmission signal via a waveguide coupler, a waveguide isolator, and an eleventh filter. The detector is connected to the waveguide coupler and is used to output a power detection voltage signal.

7. The frequency-configurable V-band spaceborne high-power communication transmitter as described in claim 6, characterized in that, The surface coating of the Magic-T power divider and Magic-T combiner is silver-plated to reduce insertion loss.

8. The V-band spaceborne high-power communication transmitter with configurable frequency points as described in claim 1, characterized in that, The V-band upconverter module and the V-band power amplifier module are separate structural components, connected by a BJ620 waveguide.

9. The frequency-configurable V-band spaceborne high-power communication transmitter as described in claim 2, characterized in that, The microcontroller has a general-purpose I / O interface and an SPI interface, and receives frequency control signals to configure the output frequency of the first configurable frequency source and the second configurable frequency source.

10. The frequency-configurable V-band spaceborne high-power communication transmitter as described in claim 1, characterized in that, The V-band power amplifier module has two states: transmitter on and transmitter off. The on / off state can be switched according to the transmitter switch control signal.

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