WO2017113501A1 - Signal transceiver and manufacturing method therefor - Google Patents

Signal transceiver and manufacturing method therefor Download PDF

Info

Publication number
WO2017113501A1
WO2017113501A1 PCT/CN2016/074867 CN2016074867W WO2017113501A1 WO 2017113501 A1 WO2017113501 A1 WO 2017113501A1 CN 2016074867 W CN2016074867 W CN 2016074867W WO 2017113501 A1 WO2017113501 A1 WO 2017113501A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
frequency
unit
filter
module
Prior art date
Application number
PCT/CN2016/074867
Other languages
French (fr)
Chinese (zh)
Inventor
程子凡
姚建可
丁庆
Original Assignee
深圳市华讯方舟卫星通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市华讯方舟卫星通信有限公司 filed Critical 深圳市华讯方舟卫星通信有限公司
Publication of WO2017113501A1 publication Critical patent/WO2017113501A1/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18517—Transmission equipment in earth stations

Definitions

  • the invention relates to a signal transceiver, in particular to a transceiver for a Ka-band satellite signal and a method of manufacturing the same.
  • satellite communication transceiver components have lower operating frequency bands (such as C-band and Ku-band, etc., such as patent CN201310717841.X, a portable Ku-band marine motion).
  • Zhongtong Satellite Communication Antenna System which has a problem of bandwidth congestion in the frequency band, has been unable to meet the increasing requirements of satellite communication for transmission rate and stability.
  • some satellite communication transceivers use a variable-frequency heterodyne structure.
  • the receiving link demodulates the output signal only after one-time conversion, and has poor frequency selection characteristics, wide passband, and easy interference. .
  • a signal transceiver includes an antenna radiation module, a transmission module, a duplexer, a transmitting module, and a receiving module, wherein
  • the antenna radiating module is configured to receive and transmit a microwave signal of a Ka band, and connect the first end of the duplexer through the transmission module;
  • a second end of the duplexer is connected to the transmitting module, and a third end of the duplexer is connected to the receiving module;
  • the transmitting module is configured to: after the intermediate frequency signal input by the baseband of the satellite modem is frequency-converted, transmit to the antenna radiation module through the duplexer and the transmission module;
  • the receiving module is configured to connect through the antenna radiation module, the transmission module, and the duplexer After receiving the Ka-band microwave signal, the frequency signal is output, and the appropriate intermediate frequency signal is output to the baseband of the satellite modem;
  • Both the transmitting module and the receiving module adopt a double-conversion super-heterodyne structure.
  • the invention also provides a method for manufacturing a signal transceiver, the method comprising:
  • the signal transceiver is realized by using a monolithic microwave integrated circuit board and a forsterite ceramic substrate composite structure, wherein
  • the radio frequency substrate is made of a forsterite ceramic substrate, and the material thereof is a Limestone ceramic composite material of a Li 1-x Mg 1+x Si x P 1-x O 4 orthorhombic Pmnb space point group, and x is a Adjusting the coefficient between 0.1 and 0.3;
  • the circuit portion of the above signal transceiver implemented by a monolithic microwave integrated circuit board.
  • the signal transceiver of the present invention faces a Ka-band satellite modem, has high frequency, rich frequency band resources, and the antenna can provide a large gain, and the signal transceiver of the present invention adopts a double-conversion super-heterodyne structure.
  • the gain is high, stable, adjustable, has good illusion image rejection, image rejection ratio and high sensitivity, and is easy to achieve high linear mixing and corresponding bandwidth requirements.
  • FIG. 1 is a schematic diagram of a preferred embodiment of a signal transceiver of the present invention.
  • FIG. 2 is an X-ray diffraction pattern of a radio frequency substrate material of a signal transceiver of the present invention.
  • the signal transceiver 100 of the present invention is used to connect a baseband 200 of a Ka-band satellite modem to receive and transmit a corresponding intermediate frequency signal.
  • the signal transceiver 100 includes an antenna radiation module 10, a transmission module 20, a duplexer 30, a transmitting module 40, and a receiving module 50.
  • the antenna radiating module 10 is connected to the first end of the duplexer 30 through the transmission module 20, and the baseband 200 of the Ka-band satellite modem is connected to the second end of the duplexer 30 through the transmitting module 40.
  • the antenna radiation module 10 emits.
  • the third end of the duplexer 30 is connected to the baseband 200 through the receiving module 50 such that the baseband 200 receives the antenna radiating module 10 through the first end and the third end of the duplexer 30.
  • Microwave signal is used to connect a baseband 200 of a Ka-band satellite modem to receive and transmit a corresponding intermediate frequency
  • the transmitting module 40 and the receiving module 50 all adopt a double-conversion super-heterodyne structure.
  • the receiving module 50 can receive a radio frequency range of 18.3 GHz to 20.2 GHz, and the output is The RF frequency range is from 1.03 GHz to 1.53 GHz; the RF frequency range that the transmitting module 40 can receive is from 1.83 GHz to 2.33 GHz, and the output RF frequency ranges from 28.1 GHz to 30.0 GHz.
  • the antenna radiating module 10 is a biasing antenna
  • the transmitting module 20 includes a waveguide phase shifter 21 and a cavity high-pass filter 22.
  • the cavity high pass filter 22 is connected to the antenna radiation module 10 through the waveguide phase shifter 21 to filter the microwave signal received by the antenna radiation module 10.
  • the cavity high-pass filter 22 is used to pass a high-frequency signal having a frequency higher than or within the Ka range, thereby attenuating noise below the Ka-band.
  • the cavity high pass filter 22 is also coupled to the first end of the duplexer 30.
  • the receiving module 50 includes a receiving signal processing unit 51, a control monitoring unit 52, a first receiving frequency converting unit 53 and a second receiving frequency converting unit 54.
  • the signal receiving processing unit 51 includes a filter 511, a predistorter 512, an amplifier 513, an attenuator 514, and a filter 515 that are sequentially connected.
  • the filter 511 is connected to the third end of the duplexer 30.
  • the filter 511 is a broadband bandpass filter, which is composed of an LC passive network, and the filter 511 is configured to output the received signal to the predistorter 512 after preliminary filtering. .
  • the predistorter 512 employs a baseband digital predistortion technique.
  • the control and monitoring unit 52 is further connected to the baseband 200 and the predistorter 512, the amplifier 513 and the attenuator 514, and the control monitoring unit 52 is configured to receive the control signal sent by the baseband 200 to control the predistorter.
  • the pre-distortion is performed on the received signal by the 512, and the amplifier 513 and the attenuator 514 are controlled to adaptively amplify the signal, and the amplified signal is matched with the impedance of the subsequent stage by the attenuator 514 to adjust the system gain.
  • the filter 515 is configured to filter out the out-of-band interference signal and output the signal to the first receiving frequency conversion unit 53.
  • the first receiving frequency conversion unit 53 includes a frequency converter 531, a filter 532, and an amplifier 533. And a first local oscillator 534.
  • the frequency converter 531 is coupled to the filter 515 and downconverts the received signal.
  • the frequency converter 531 also sequentially connects the filter 532 and the amplifier 533 to output signals to the second receiving frequency conversion unit 54.
  • the first local oscillator 534 is connected to the frequency converter 531 for outputting a local oscillation signal to the frequency converter 531.
  • the first local oscillator 534 is used to provide a low phase noise and frequency adjustable local oscillator signal.
  • the filter 532 is an image rejection bandpass filter for filtering out the image signals of the mixing.
  • the amplifier 533 is an intermediate frequency amplifier for amplifying the signal and outputting it to the second receiving and converting unit 54.
  • the second receiving and converting unit 54 includes a frequency converter 541, a filter 542, an amplifier 543, and a second local oscillator 544.
  • the second local oscillator 544 is configured to output a local oscillator signal to the frequency converter 521.
  • the second local oscillator 544 is used to provide a low phase noise and frequency adjustable local oscillator signal.
  • the frequency converter 541 is configured to perform secondary frequency conversion on the received signal
  • the filter 542 is configured to filter the received signal
  • the amplifier 543 is configured to amplify the received signal and output the signal to the baseband 200. Perform demodulation.
  • the transmitting module 40 includes a first transmitting and converting unit 41, a second transmitting and converting unit 42, and a transmitting signal processing unit 43.
  • the first transmit variable frequency unit 41 includes an amplifier 411, a frequency converter 412, and a filter 413 that are sequentially connected.
  • the amplifier 411 is configured to receive and amplify an intermediate frequency signal from the baseband 200, such as an intermediate frequency signal of 2.0 GHz, and the frequency converter 412 is coupled to the second local oscillator 544 for receiving and receiving according to a low phase.
  • the noise and frequency adjustable local oscillator signal is upconverted, and the filter 413 is configured to filter the received signal and output an intermediate frequency signal between 14.97 and 16.17 GHz to the second transmit variable frequency unit 42.
  • the second transmit variable frequency unit 42 includes an amplifier 421, a frequency converter 422 and a filter 423 connected in sequence, and the frequency converter 422 is connected to the first local oscillator 534 for receiving low phase noise and frequency adjustable Vibration signal.
  • the second transmit and transform unit 42 is configured to perform amplification, secondary frequency conversion, and filtering on the received signal, and output the signal to the transmit signal processing unit 43.
  • the transmit signal processing unit 43 includes an amplifier 431, an isolator 432, and a filter 433 that are sequentially connected.
  • the transmit signal processing unit 43 performs power amplification on the received signal via the amplifier 431, prevents output mismatch via the isolator 432, and is filtered by the filter 433 and transmitted to the duplexer 30.
  • the second end of the duplexer 30 passes through the second end and the first end of the duplexer 30 and the pass
  • the transmission module 20 outputs to the antenna radiation module 10 for transmission.
  • the receiving module 50 includes: a receiving signal processing unit 51, a control monitoring unit 52, a first receiving and converting unit 53 and a second receiving and converting unit 54;
  • the receiving signal processing unit 51 is connected to the third end of the duplexer 30 for processing the microwave signal received by the duplexer 30 according to the control signal of the control monitoring unit 52;
  • the control monitoring unit 52 is configured to control the received signal processing unit 51 according to the control signal of the satellite modem baseband;
  • the first receiving and converting unit 53 is configured to cooperate with the first local oscillator 534 to perform a first-stage down-conversion of the microwave signal output by the received signal processing unit 51, and output the first to the second receiving and converting unit 54. a down-converted signal;
  • the second receiving and converting unit 54 is configured to cooperate with the second local oscillator 544 to perform a second-stage down-conversion of the first down-converted signal to output a suitable intermediate frequency signal to the satellite modem baseband.
  • the transmitting module 40 includes: a first transmitting and converting unit 41, a second transmitting and converting unit 42 and a transmitting signal processing unit 43;
  • the first transmit and receive unit 41 is configured to cooperate with the second local oscillator 544 to perform the first stage up-conversion of the intermediate frequency signal input by the satellite modem baseband, and output the first to the second transmit and output unit 42.
  • One-up frequency signal ;
  • the second transmit and receive unit 42 is configured to cooperate with the first local oscillator 534 to perform a second-stage up-conversion of the first up-converted signal, and output a second up-conversion to the transmit signal processing unit 43. signal;
  • the transmitting signal processing unit 43 is connected to the second end of the duplexer for processing the second up-converted signal, and then transmitting the antenna to the antenna radiating module through the duplexer and the transmitting module. emission.
  • the first local oscillator 534 and the second local oscillator 544 both provide a low phase noise and a frequency adjustable local oscillator signal using a barium titanate dielectric resonator oscillator.
  • the inverters 531, 541, 412, 422 are given.
  • the first local oscillator 534 has a frequency range of 8.63 GHz to 13.83 GHz;
  • the second local oscillator 544 has a frequency range of 8.64 GHz to 13.84 GHz;
  • the satellite modem baseband signal has a frequency range of L-band.
  • the first receiving frequency conversion unit and the second receiving frequency conversion unit actually each include a frequency converter, a filter, and an amplifier;
  • the radio frequency (RF) end of the frequency converter is connected to the signal input end of the unit, the local oscillator (LO) end is connected to the local oscillator corresponding to the unit, and the intermediate frequency (IF) end is connected to one end of the unit filter;
  • the other end of the unit filter is connected to the amplifier of the unit, and the down-converted signal is outputted through the amplifier of the unit.
  • the first transmit variable frequency unit and the second transmit variable frequency unit each include an amplifier, a frequency converter, and a filter;
  • the input end of the amplifier is a signal input end of the unit, and the output end of the amplifier is connected to an intermediate frequency (IF) end of the frequency converter of the unit;
  • IF intermediate frequency
  • the local oscillator (LO) end of the unit inverter is connected to the local oscillator corresponding to the unit, and the radio frequency (RF) end of the unit inverter is connected to one end of the filter of the unit;
  • the other end of the filter of this unit is the output end of the unit, and the up-converted signal is output to the outside.
  • the Ka-band microwave signal delivered by the satellite such as between 18.3 GHz and 20.2 GHz
  • the antenna radiating module 10 receives a signal
  • the Ka-band microwave signal delivered by the satellite such as between 18.3 GHz and 20.2 GHz
  • the phaser 21 enters the cavity high pass filter 22 to pass a high frequency signal having a frequency higher than or within the Ka range, attenuating noise below the Ka band.
  • the microwave signal is processed by the received signal processing unit 51 and then converted by the first receiving frequency conversion unit 53 to output a signal between 9.67 GHz and 10.87 GHz, and then passed through the second receiving frequency conversion unit 54 twice. After the frequency conversion, an intermediate frequency signal of between 1.03 GHz and 1.53 GHz is outputted to the baseband 200 of the satellite modem for demodulation.
  • the baseband 200 of the satellite modem feeds the modulated intermediate frequency signal, such as a band between 1.83 GHz and 2.33 GHz, through the first After the frequency conversion unit 41 is up-converted, a signal such as a band between 14.97 and 16.17 GHz is output, and then a second frequency conversion by the second transmission frequency conversion unit 42 is performed to obtain a signal between the bands of 28.1 GHz to 30.0 GHz.
  • the transmit signal processing unit 43 and the transmission module 20 output to the antenna radiating module 10 for transmission.
  • the signal transceiver 100 adopts a single-chip microwave integrated circuit board and a forsterite ceramic substrate composite structure design.
  • 0% to 30% by mass of CaTiO 3 can be incorporated as a resonance frequency temperature coefficient modifier.
  • FIG. 2 is an X-ray diffraction spectrum of the RF substrate material of the signal transceiver of the present invention.
  • the radio frequency substrate is made of the olivine-based ceramic composite radio frequency substrate when the material is Li 0.7 Mg 1.3 Si 0.3 P 0.7 O 4 and the temperature coefficient modifier is not incorporated.
  • the signal transceiver 100 adopts a single-chip microwave integrated circuit board and a forsterite ceramic substrate composite structure design, and has high quality factor, low dielectric constant, low temperature coefficient of resonance frequency, light weight, good thermal stability and strong thermal conductivity. The advantages of easy processing and chemical compatibility with electrode materials make the unloaded quality factor of 2770 at 14 GHz, thereby ensuring the reliability of the entire signal transceiver 100.
  • the CaTiO 3 temperature coefficient modifier may also be replaced with BaTi 4 O 9 and TiO 2 with 2% by mass of CuO.
  • the radio frequency substrate can also be made of one of silicon aluminum material, aluminum silicon carbide or kovar alloy.
  • the signal transceiver 100 of the invention adopts a novel system design scheme and a substrate material design scheme, and is oriented to a Ka-band satellite modem.
  • the frequency is high and the frequency band resources are abundant, and the antenna can provide a large gain.
  • the signal transceiver 100 of the invention also adopts a double-conversion super-heterodyne structure, has high gain, stability, and adjustable, has good imaginary image frequency suppression capability, image frequency rejection ratio and high sensitivity, and is easy to realize high linear mixing and The corresponding bandwidth requirements.
  • the temperature stability is high (the temperature coefficient of the resonant frequency is less than 1.5 ppm at 10 GHz), and the quality The factor is high (the unloaded quality factor is 8000 at 4 GHz, the unloaded quality factor is 3500 at 10 GHz), and the phase noise coefficient performance is good.
  • the novel microwave substrate and waveguide material of the signal transceiver 100 of the present invention have a high quality factor (no load quality factor of 2770 at 14 GHz), Low dielectric constant, low temperature coefficient of resonance frequency, light weight, good thermal stability, strong thermal conductivity, easy processing and good chemical compatibility with electrode materials. Guarantee the reliability of the entire transceiver system.
  • the receiving module 50 of the signal transceiver 100 of the present invention employs a baseband digital predistortion technique to achieve a lower error rate.
  • the invention also provides a method for manufacturing a signal transceiver, the method comprising:
  • the signal transceiver is realized by using a monolithic microwave integrated circuit board and a forsterite ceramic substrate composite structure, wherein
  • the radio frequency substrate is made of a forsterite ceramic substrate, and the material thereof is a Limestone ceramic composite material of a Li 1-x Mg 1+x Si x P 1-x O 4 orthorhombic Pmnb space point group, and x is a Adjusting the coefficient between 0.1 and 0.3;
  • a circuit portion of any of the signal transceivers as described above implemented by a monolithic microwave integrated circuit board.
  • the manufacturing method further includes:
  • the radio frequency substrate of the signal transceiver is doped with 0% to 30% by mass of CaTiO 3 as a resonance frequency temperature coefficient regulator.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Radio Relay Systems (AREA)

Abstract

Provided are a signal transceiver and a manufacturing method therefor. The signal transceiver comprises an antenna radiation module, a transmission module, a duplexer, an emission module and a receiving module, wherein the emission module and the receiving module both use a double conversion superheterodyne structure. The signal transceiver in the present invention is oriented at a Ka-frequency-band satellite modem, has high frequencies and rich frequency band resources. Furthermore, the signal transceiver in the present invention uses a double conversion superheterodyne structure, which makes it easy to realise the requirements for a high linear mixed frequency and the corresponding bandwidth.

Description

信号收发机及其制造方法Signal transceiver and manufacturing method thereof 【技术领域】[Technical Field]
本发明涉及一种信号收发机，特别是一种Ka频段卫星信号的收发机及其制造方法。The invention relates to a signal transceiver, in particular to a transceiver for a Ka-band satellite signal and a method of manufacturing the same.
【背景技术】【Background technique】
随着宽带卫星通讯的飞速发展和广泛应用，频谱资源日趋有限，现有的卫星通讯收发组件工作频带较低(如C波段和Ku波段等，如专利CN201310717841.X《一种便携式Ku波段海上动中通卫星通信天线***》)，其在频段资源拥挤问题，已经无法满足卫星通信对传输速率、稳定性日益提高的要求。另外，目前部分卫星通讯用收发机使用一次变频外差式结构，其接收链路仅由一次变频放大后就解调输出信号，存在选频特性较差、通频带较宽、容易受干扰等问题。With the rapid development and wide application of broadband satellite communication, spectrum resources are becoming more and more limited, and existing satellite communication transceiver components have lower operating frequency bands (such as C-band and Ku-band, etc., such as patent CN201310717841.X, a portable Ku-band marine motion). Zhongtong Satellite Communication Antenna System), which has a problem of bandwidth congestion in the frequency band, has been unable to meet the increasing requirements of satellite communication for transmission rate and stability. In addition, some satellite communication transceivers use a variable-frequency heterodyne structure. The receiving link demodulates the output signal only after one-time conversion, and has poor frequency selection characteristics, wide passband, and easy interference. .
【发明内容】[Summary of the Invention]
鉴于以上内容，有必要提供一种具有较高增益的信号收发机。In view of the above, it is necessary to provide a signal transceiver with a higher gain.
一种信号收发机，所述信号收发机包括天线辐射模块、传输模块、双工器、发射模块及接收模块，其中，A signal transceiver includes an antenna radiation module, a transmission module, a duplexer, a transmitting module, and a receiving module, wherein
所述天线辐射模块，用于接收和发射Ka频段的微波信号，通过所述传输模块连接所述双工器的第一端；The antenna radiating module is configured to receive and transmit a microwave signal of a Ka band, and connect the first end of the duplexer through the transmission module;
所述双工器的第二端连接所述发射模块，所述双工器的第三端连接所述接收模块；a second end of the duplexer is connected to the transmitting module, and a third end of the duplexer is connected to the receiving module;
所述发射模块，用于将卫星调制解调器的基带输入的中频信号经过变频后，通过所述双工器、传输模块传输给所述天线辐射模块发射；The transmitting module is configured to: after the intermediate frequency signal input by the baseband of the satellite modem is frequency-converted, transmit to the antenna radiation module through the duplexer and the transmission module;
所述接收模块，用于将通过所述天线辐射模块、传输模块和双工器接 收的Ka频段的微波信号经过变频后，输出合适的中频信号给所述卫星调制解调器的基带；The receiving module is configured to connect through the antenna radiation module, the transmission module, and the duplexer After receiving the Ka-band microwave signal, the frequency signal is output, and the appropriate intermediate frequency signal is output to the baseband of the satellite modem;
所述发射模块及所述接收模块均采用二次变频超外差式结构。Both the transmitting module and the receiving module adopt a double-conversion super-heterodyne structure.
本发明还提供一种信号收发机的制造方法，该方法包括：The invention also provides a method for manufacturing a signal transceiver, the method comprising:
采用单片微波集成电路板和镁橄榄石系陶瓷基板复合结构实现所述信号收发机，其中，The signal transceiver is realized by using a monolithic microwave integrated circuit board and a forsterite ceramic substrate composite structure, wherein
射频基板利用镁橄榄石系陶瓷基板制作，其材料为Li1-xMg1+xSixP1-xO4正交晶系Pmnb空间点群的镁橄榄石系陶瓷复合材料，x为一调节范围在0.1～0.3之间的系数；The radio frequency substrate is made of a forsterite ceramic substrate, and the material thereof is a Limestone ceramic composite material of a Li 1-x Mg 1+x Si x P 1-x O 4 orthorhombic Pmnb space point group, and x is a Adjusting the coefficient between 0.1 and 0.3;
单片微波集成电路板实现的上述信号收发机的电路部分。The circuit portion of the above signal transceiver implemented by a monolithic microwave integrated circuit board.
相对于现有技术，本发明的信号收发机面向Ka频段卫星调制解调器，频率高、频带资源丰富，天线可以提供较大的增益，且本发明的信号收发机采用二次变频超外差式结构，增益较高、稳定、可调节，具有良好的假象镜频抑制能力、像频抗拒比和高灵敏度，易于实现高线性混频和相应带宽需求。Compared with the prior art, the signal transceiver of the present invention faces a Ka-band satellite modem, has high frequency, rich frequency band resources, and the antenna can provide a large gain, and the signal transceiver of the present invention adopts a double-conversion super-heterodyne structure. The gain is high, stable, adjustable, has good illusion image rejection, image rejection ratio and high sensitivity, and is easy to achieve high linear mixing and corresponding bandwidth requirements.
【附图说明】[Description of the Drawings]
图1为本发明信号收发机的较佳实施方式的示意图。1 is a schematic diagram of a preferred embodiment of a signal transceiver of the present invention.
图2为本发明信号收发机射频基板材料的X射线衍射图谱。2 is an X-ray diffraction pattern of a radio frequency substrate material of a signal transceiver of the present invention.
【具体实施方式】【detailed description】
下面结合附图和实施方式对本发明作进一步说明。The invention will now be further described with reference to the drawings and embodiments.
请参阅图1，本发明信号收发机100用于连接一Ka频段卫星调制解调器的基带200以接收及发送对应的中频信号。所述信号收发机100包括天线辐射模块10、传输模块20、双工器30、发射模块40及接收模块50。所述天线辐射模块10通过所述传输模块20连接所述双工器30的第一端，所述Ka频段卫星调制解调器的基带200通过所述发射模块40连接所述双工器30的第二端以通过所述双工器30的第一端及第二端输出一中频信号给 所述天线辐射模块10发射。所述双工器30的第三端通过所述接收模块50连接所述基带200使得所述基带200通过所述双工器30的第一端及第三端接收来自所述天线辐射模块10的微波信号。Referring to FIG. 1, the signal transceiver 100 of the present invention is used to connect a baseband 200 of a Ka-band satellite modem to receive and transmit a corresponding intermediate frequency signal. The signal transceiver 100 includes an antenna radiation module 10, a transmission module 20, a duplexer 30, a transmitting module 40, and a receiving module 50. The antenna radiating module 10 is connected to the first end of the duplexer 30 through the transmission module 20, and the baseband 200 of the Ka-band satellite modem is connected to the second end of the duplexer 30 through the transmitting module 40. Outputting an intermediate frequency signal to the first end and the second end of the duplexer 30 The antenna radiation module 10 emits. The third end of the duplexer 30 is connected to the baseband 200 through the receiving module 50 such that the baseband 200 receives the antenna radiating module 10 through the first end and the third end of the duplexer 30. Microwave signal.
本实施方式中，所述发射模块40及所述接收模块50均采用二次变频超外差式结构，具体的，所述接收模块50可接收的射频频率范围为18.3GHz～20.2GHz，输出的射频频率范围为1.03GHz～1.53GHz；所述发射模块40可接收的射频频率范围为1.83GHz～2.33GHz，输出的射频频率范围为28.1GHz～30.0GHz。In this embodiment, the transmitting module 40 and the receiving module 50 all adopt a double-conversion super-heterodyne structure. Specifically, the receiving module 50 can receive a radio frequency range of 18.3 GHz to 20.2 GHz, and the output is The RF frequency range is from 1.03 GHz to 1.53 GHz; the RF frequency range that the transmitting module 40 can receive is from 1.83 GHz to 2.33 GHz, and the output RF frequency ranges from 28.1 GHz to 30.0 GHz.
具体的，本实施方式中，所述天线辐射模块10为一偏馈天线，所述传输模块20包括一波导移相器21及一腔体高通滤波器22。所述腔体高通滤波器22通过所述波导移相器21连接所述天线辐射模块10以对所述天线辐射模块10接收的微波信号滤波。本实施方式中，所述腔体高通滤波器22用于使频率高于或位于Ka范围内的高频信号通过，削弱Ka波段以下的杂讯。所述腔体高通滤波器22还连接所述双工器30的第一端。Specifically, in the embodiment, the antenna radiating module 10 is a biasing antenna, and the transmitting module 20 includes a waveguide phase shifter 21 and a cavity high-pass filter 22. The cavity high pass filter 22 is connected to the antenna radiation module 10 through the waveguide phase shifter 21 to filter the microwave signal received by the antenna radiation module 10. In the present embodiment, the cavity high-pass filter 22 is used to pass a high-frequency signal having a frequency higher than or within the Ka range, thereby attenuating noise below the Ka-band. The cavity high pass filter 22 is also coupled to the first end of the duplexer 30.
所述接收模块50包括一接收信号处理单元51、一控制监控单元52，一第一接收变频单元53及一第二接收变频单元54。所述信号接收处理单元51包括依序连接的滤波器511、预失真器512、放大器513、衰减器514及滤波器515。所述滤波器511连接所述双工器30的第三端。本实施方式中，所述滤波器511为一宽频带带通滤波器，其由LC无源网络组成，所述滤波器511用于将接收的信号经初步滤波后输出给所述预失真器512。所述预失真器512采用基带数字预失真技术。所述控制监控单元52还分别连接所述基带200及所述预失真器512、放大器513及衰减器514，所述控制监控单元52用于接收由基带200发出的控制信号控制所述预失真器512对所接收的信号进行预失真，并控制所述放大器513及衰减器514对信号进行自适应式放大并通过所述衰减器514对放大后的信号进行与后级的阻抗匹配，调节***增益和线性度。所述滤波器515用于滤除带外干扰信号后输出给所述第一接收变频单元53。The receiving module 50 includes a receiving signal processing unit 51, a control monitoring unit 52, a first receiving frequency converting unit 53 and a second receiving frequency converting unit 54. The signal receiving processing unit 51 includes a filter 511, a predistorter 512, an amplifier 513, an attenuator 514, and a filter 515 that are sequentially connected. The filter 511 is connected to the third end of the duplexer 30. In this embodiment, the filter 511 is a broadband bandpass filter, which is composed of an LC passive network, and the filter 511 is configured to output the received signal to the predistorter 512 after preliminary filtering. . The predistorter 512 employs a baseband digital predistortion technique. The control and monitoring unit 52 is further connected to the baseband 200 and the predistorter 512, the amplifier 513 and the attenuator 514, and the control monitoring unit 52 is configured to receive the control signal sent by the baseband 200 to control the predistorter. The pre-distortion is performed on the received signal by the 512, and the amplifier 513 and the attenuator 514 are controlled to adaptively amplify the signal, and the amplified signal is matched with the impedance of the subsequent stage by the attenuator 514 to adjust the system gain. And linearity. The filter 515 is configured to filter out the out-of-band interference signal and output the signal to the first receiving frequency conversion unit 53.
所述第一接收变频单元53包括变频器531、滤波器532、放大器533 及一第一本地振荡器534。所述变频器531连接所述滤波器515并对接收的信号进行降频。所述变频器531还依序连接所述滤波器532及所述放大器533输出信号给所述第二接收变频单元54。所述第一本地振荡器534连接所述变频器531用于输出一本振信号给所述变频器531。本实施方案中，所述第一本地振荡器534用于提供低相位噪声且频率可调节的本振信号。所述滤波器532为一镜像抑制带通滤波器用于滤除混频的镜像信号。所述放大器533为一中频放大器用于将信号放大后输出给所述第二接收变频单元54。所述第二接收变频单元54包括变频器541、滤波器542、放大器543及一第二本地振荡器544，所述第二本地振荡器544用于输出一本振信号给所述变频器521，所述第二本地振荡器544用于提供低相位噪声且频率可调节的本振信号。所述变频器541用于对接收的信号进行二次变频，所述滤波器542用于对接收的信号进行滤波，所述放大器543用于对所接收的信号进行放大后输出给所述基带200进行解调。The first receiving frequency conversion unit 53 includes a frequency converter 531, a filter 532, and an amplifier 533. And a first local oscillator 534. The frequency converter 531 is coupled to the filter 515 and downconverts the received signal. The frequency converter 531 also sequentially connects the filter 532 and the amplifier 533 to output signals to the second receiving frequency conversion unit 54. The first local oscillator 534 is connected to the frequency converter 531 for outputting a local oscillation signal to the frequency converter 531. In this embodiment, the first local oscillator 534 is used to provide a low phase noise and frequency adjustable local oscillator signal. The filter 532 is an image rejection bandpass filter for filtering out the image signals of the mixing. The amplifier 533 is an intermediate frequency amplifier for amplifying the signal and outputting it to the second receiving and converting unit 54. The second receiving and converting unit 54 includes a frequency converter 541, a filter 542, an amplifier 543, and a second local oscillator 544. The second local oscillator 544 is configured to output a local oscillator signal to the frequency converter 521. The second local oscillator 544 is used to provide a low phase noise and frequency adjustable local oscillator signal. The frequency converter 541 is configured to perform secondary frequency conversion on the received signal, the filter 542 is configured to filter the received signal, and the amplifier 543 is configured to amplify the received signal and output the signal to the baseband 200. Perform demodulation.
所述发射模块40包括一第一发射变频单元41、第二发射变频单元42及一发射信号处理单元43。所述第一发射变频单元41包括依序连接的放大器411、变频器412及滤波器413。所述放大器411用于接收来自所述基带200的中频信号，如2.0GHz的中频信号，并进行放大，所述变频器412连接所述第二本地振荡器544用于接收并根据接收的低相位噪声且频率可调节的本振信号升频，所述滤波器413用于对所接收的信号进行滤波并输出如14.97～16.17GHz之间的中频信号给所述第二发射变频单元42。所述第二发射变频单元42包括依序连接的放大器421、变频器422及滤波器423，所述变频器422连接所述第一本地振荡器534用于接收低相位噪声且频率可调节的本振信号。所述第二发射变频单元42用于对所接收的信号进行放大、二次变频及滤波后输出给所述发射信号处理单元43。所述发射信号处理单元43包括依序连接的放大器431、隔离器432及滤波器433。所述发射信号处理单元43对所接收的信号经所述放大器431进行功率放大后，经所述隔离器432防止输出失配，并经所述滤波器433滤波后传输给所述双工器30的第二端以通过所述双工器30的第二端及第一端及所述传 输模块20输出给所述天线辐射模块10进行发射。The transmitting module 40 includes a first transmitting and converting unit 41, a second transmitting and converting unit 42, and a transmitting signal processing unit 43. The first transmit variable frequency unit 41 includes an amplifier 411, a frequency converter 412, and a filter 413 that are sequentially connected. The amplifier 411 is configured to receive and amplify an intermediate frequency signal from the baseband 200, such as an intermediate frequency signal of 2.0 GHz, and the frequency converter 412 is coupled to the second local oscillator 544 for receiving and receiving according to a low phase. The noise and frequency adjustable local oscillator signal is upconverted, and the filter 413 is configured to filter the received signal and output an intermediate frequency signal between 14.97 and 16.17 GHz to the second transmit variable frequency unit 42. The second transmit variable frequency unit 42 includes an amplifier 421, a frequency converter 422 and a filter 423 connected in sequence, and the frequency converter 422 is connected to the first local oscillator 534 for receiving low phase noise and frequency adjustable Vibration signal. The second transmit and transform unit 42 is configured to perform amplification, secondary frequency conversion, and filtering on the received signal, and output the signal to the transmit signal processing unit 43. The transmit signal processing unit 43 includes an amplifier 431, an isolator 432, and a filter 433 that are sequentially connected. The transmit signal processing unit 43 performs power amplification on the received signal via the amplifier 431, prevents output mismatch via the isolator 432, and is filtered by the filter 433 and transmitted to the duplexer 30. The second end of the duplexer 30 passes through the second end and the first end of the duplexer 30 and the pass The transmission module 20 outputs to the antenna radiation module 10 for transmission.
换句话说，上述接收模块50包括：接收信号处理单元51、控制监控单元52，第一接收变频单元53和第二接收变频单元54；其中，In other words, the receiving module 50 includes: a receiving signal processing unit 51, a control monitoring unit 52, a first receiving and converting unit 53 and a second receiving and converting unit 54;
所述接收信号处理单元51，与所述双工器30第三端连接，用于根据所述控制监控单元52的控制信号对通过所述双工器30接收到的微波信号进行处理；The receiving signal processing unit 51 is connected to the third end of the duplexer 30 for processing the microwave signal received by the duplexer 30 according to the control signal of the control monitoring unit 52;
所述控制监控单元52，用于根据所述卫星调制解调器基带的控制信号，控制所述接收信号处理单元51；The control monitoring unit 52 is configured to control the received signal processing unit 51 according to the control signal of the satellite modem baseband;
所述第一接收变频单元53，用于与第一本地振荡器534配合，将所述接收信号处理单元51输出的微波信号进行第一级降频，向所述第二接收变频单元54输出第一降频信号；The first receiving and converting unit 53 is configured to cooperate with the first local oscillator 534 to perform a first-stage down-conversion of the microwave signal output by the received signal processing unit 51, and output the first to the second receiving and converting unit 54. a down-converted signal;
所述第二接收变频单元54，用于与第二本地振荡器544配合，将所述第一降频信号进行第二级降频，向所述卫星调制解调器基带输出合适的中频信号。The second receiving and converting unit 54 is configured to cooperate with the second local oscillator 544 to perform a second-stage down-conversion of the first down-converted signal to output a suitable intermediate frequency signal to the satellite modem baseband.
所述发射模块40包括：第一发射变频单元41、第二发射变频单元42和发射信号处理单元43；其中，The transmitting module 40 includes: a first transmitting and converting unit 41, a second transmitting and converting unit 42 and a transmitting signal processing unit 43;
所述第一发射变频单元41，用于与所述第二本地振荡器544配合，将所述卫星调制解调器基带输入的中频信号进行第一级升频，向所述第二发射变频单元42输出第一升频信号；The first transmit and receive unit 41 is configured to cooperate with the second local oscillator 544 to perform the first stage up-conversion of the intermediate frequency signal input by the satellite modem baseband, and output the first to the second transmit and output unit 42. One-up frequency signal;
所述第二发射变频单元42，用于与所述第一本地振荡器534配合，将所述第一升频信号进行第二级升频，向所述发射信号处理单元43输出第二升频信号；The second transmit and receive unit 42 is configured to cooperate with the first local oscillator 534 to perform a second-stage up-conversion of the first up-converted signal, and output a second up-conversion to the transmit signal processing unit 43. signal;
所述发射信号处理单元43，与所述双工器的第二端相连，用于将所述第二升频信号进行处理后，经过所述双工器、传输模块传输给所述天线辐射模块发射。The transmitting signal processing unit 43 is connected to the second end of the duplexer for processing the second up-converted signal, and then transmitting the antenna to the antenna radiating module through the duplexer and the transmitting module. emission.
本实施方式中，所述第一本地振荡器534及所述第二本地振荡器544均使用钛酸钡介质谐振振荡器提供低相位噪声且频率可调节的本振信号送 给所述变频器531、541、412、422。所述第一本地振荡器534的频率范围为8.63GHz～13.83GHz；所述第二本地振荡器544的频率范围为8.64GHz～13.84GHz；所述卫星调制解调器基带信号的频率范围为L波段。In this embodiment, the first local oscillator 534 and the second local oscillator 544 both provide a low phase noise and a frequency adjustable local oscillator signal using a barium titanate dielectric resonator oscillator. The inverters 531, 541, 412, 422 are given. The first local oscillator 534 has a frequency range of 8.63 GHz to 13.83 GHz; the second local oscillator 544 has a frequency range of 8.64 GHz to 13.84 GHz; and the satellite modem baseband signal has a frequency range of L-band.
换句话说，所述第一接收变频单元和所述第二接收变频单元其实各自包括一变频器、一滤波器和一放大器；其中，In other words, the first receiving frequency conversion unit and the second receiving frequency conversion unit actually each include a frequency converter, a filter, and an amplifier;
所述变频器的射频(RF)端与本单元的信号输入端相连，本振(LO)端与本单元对应的本地振荡器相连，中频(IF)端与本单元滤波器的一端相连；The radio frequency (RF) end of the frequency converter is connected to the signal input end of the unit, the local oscillator (LO) end is connected to the local oscillator corresponding to the unit, and the intermediate frequency (IF) end is connected to one end of the unit filter;
本单元滤波器的另一端与本单元的放大器相连，经过本单元的放大器向外输出降频信号。The other end of the unit filter is connected to the amplifier of the unit, and the down-converted signal is outputted through the amplifier of the unit.
想要的，所述第一发射变频单元和所述第二发射变频单元其实各自包括一放大器、一变频器和一滤波器；其中，Desirably, the first transmit variable frequency unit and the second transmit variable frequency unit each include an amplifier, a frequency converter, and a filter;
所述放大器的输入端为本单元的信号输入端，所述放大器的输出端连接本单元的变频器的中频(IF)端；The input end of the amplifier is a signal input end of the unit, and the output end of the amplifier is connected to an intermediate frequency (IF) end of the frequency converter of the unit;
本单元变频器的本振(LO)端连接本单元对应的本地振荡器，本单元变频器的射频(RF)端与本单元的滤波器的一端相连；The local oscillator (LO) end of the unit inverter is connected to the local oscillator corresponding to the unit, and the radio frequency (RF) end of the unit inverter is connected to one end of the filter of the unit;
本单元滤波器的另一端为本单元的输出端，向外输出升频信号。The other end of the filter of this unit is the output end of the unit, and the up-converted signal is output to the outside.
本发明信号收发机100在接收信号时，由卫星下发的Ka频段微波信号，如频率为18.3GHz～20.2GHz之间，被所述天线辐射模块10接收，所述微波信号通过所述波导移相器21进入所述腔体高通滤波器22，使频率高于或位于Ka范围内的高频信号通过，削弱Ka波段以下的杂讯。所述微波信号经所述接收信号处理单元51处理后通过所述第一接收变频单元53变频后，输出如9.67GHz～10.87GHz之间的信号，再经所述第二接收变频单元54二次变频后，输出如1.03GHz～1.53GHz之间的中频信号至所述卫星调制解调器的基带200进行解调。When the signal transceiver 100 of the present invention receives a signal, the Ka-band microwave signal delivered by the satellite, such as between 18.3 GHz and 20.2 GHz, is received by the antenna radiating module 10, and the microwave signal is transmitted through the waveguide. The phaser 21 enters the cavity high pass filter 22 to pass a high frequency signal having a frequency higher than or within the Ka range, attenuating noise below the Ka band. The microwave signal is processed by the received signal processing unit 51 and then converted by the first receiving frequency conversion unit 53 to output a signal between 9.67 GHz and 10.87 GHz, and then passed through the second receiving frequency conversion unit 54 twice. After the frequency conversion, an intermediate frequency signal of between 1.03 GHz and 1.53 GHz is outputted to the baseband 200 of the satellite modem for demodulation.
本发明信号收发机100在发射信号时，由所述卫星调制解调器的基带200送入调制后的如波段1.83GHz～2.33GHz之间的中频信号，经所述第一 发射变频单元41升频后输出如波段14.97～16.17GHz之间的信号，接着再经所述第二发射变频单元42二次变频后得到如波段28.1GHz～30.0GHz之间的信号并经所述发射信号处理单元43及所述传输模块20输出给所述天线辐射模块10发射。When the signal transceiver 100 of the present invention transmits a signal, the baseband 200 of the satellite modem feeds the modulated intermediate frequency signal, such as a band between 1.83 GHz and 2.33 GHz, through the first After the frequency conversion unit 41 is up-converted, a signal such as a band between 14.97 and 16.17 GHz is output, and then a second frequency conversion by the second transmission frequency conversion unit 42 is performed to obtain a signal between the bands of 28.1 GHz to 30.0 GHz. The transmit signal processing unit 43 and the transmission module 20 output to the antenna radiating module 10 for transmission.
本实施方式中，所述信号收发机100采用单片微波集成电路板和镁橄榄石系陶瓷基板复合结构设计。使用Li1-xMg1+xSixP1-xO4正交晶系Pmnb空间点群的镁橄榄石系陶瓷复合材料进行射频基板的制作，其中x为一调节范围在0.1～0.3之间的系数。同时可以掺入0％～30％质量分数的CaTiO3作为谐振频率温度系数调节剂。请一并参考图2，图2为本发明信号收发机射频基板材料的X射线衍射图谱。其中射频基板是采用材料为Li0.7Mg1.3Si0.3P0.7O4且未掺入温度系数调节剂时的镁橄榄石系陶瓷复合材料射频基板制作。上述信号收发机100采用单片微波集成电路板和镁橄榄石系陶瓷基板复合结构设计，具有品质因数高、介电常数低、谐振频率温度系数低、重量轻、热稳定性好、导热能力强、易于加工且与电极材料化学兼容性好等优势，使得14GHz条件下无载品质因数为2770，从而保证整个信号收发机100的可靠性。其他实施方式中，所述CaTiO3温度系数调节剂还可利用BaTi4O9以及TiO2与2％质量分数的CuO代替。所述射频基板同样可以采用硅铝材料、铝碳化硅或可伐合金等其中之一种材料制作。In the embodiment, the signal transceiver 100 adopts a single-chip microwave integrated circuit board and a forsterite ceramic substrate composite structure design. The use of Li 1-x Mg 1+x Si x P 1-x O 4 orthorhombic Pmnb space point group of forsterite ceramic composite material for RF substrate fabrication, wherein x is an adjustment range of 0.1-0.3 Coefficient between. At the same time, 0% to 30% by mass of CaTiO 3 can be incorporated as a resonance frequency temperature coefficient modifier. Please refer to FIG. 2 together. FIG. 2 is an X-ray diffraction spectrum of the RF substrate material of the signal transceiver of the present invention. The radio frequency substrate is made of the olivine-based ceramic composite radio frequency substrate when the material is Li 0.7 Mg 1.3 Si 0.3 P 0.7 O 4 and the temperature coefficient modifier is not incorporated. The signal transceiver 100 adopts a single-chip microwave integrated circuit board and a forsterite ceramic substrate composite structure design, and has high quality factor, low dielectric constant, low temperature coefficient of resonance frequency, light weight, good thermal stability and strong thermal conductivity. The advantages of easy processing and chemical compatibility with electrode materials make the unloaded quality factor of 2770 at 14 GHz, thereby ensuring the reliability of the entire signal transceiver 100. In other embodiments, the CaTiO 3 temperature coefficient modifier may also be replaced with BaTi 4 O 9 and TiO 2 with 2% by mass of CuO. The radio frequency substrate can also be made of one of silicon aluminum material, aluminum silicon carbide or kovar alloy.
本发明信号收发机100采用全新的***设计方案和基板材料设计方案，面向Ka频段卫星调制解调器，频率高、频带资源丰富，天线可以提供较大的增益。本发明信号收发机100还采用二次变频超外差式结构，增益较高、稳定、可调节，具有良好的假象镜频抑制能力、像频抗拒比和高灵敏度，易于实现高线性混频和相应带宽需求。由于本发明信号收发机100的第一及第二本地振荡器534，544采用钛酸钡介质谐振器产生信号频率源，具有温度稳定性高(10GHz条件下谐振频率温度系数小于1.5ppm)、品质因数高(4GHz条件下无载品质因数为8000，10GHz下无载品质因数为3500)、相位噪声系数性能好等优点。本发明信号收发机100的全新的微波基板和波导材料具有品质因数高(14GHz条件下无载品质因数为2770)、 介电常数低、谐振频率温度系数低、重量轻、热稳定性好、导热能力强、易于加工且与电极材料化学兼容性好等优势。保证整个收发***的可靠性。另外，本发明信号收发机100的接收模块50采用基带数字预失真技术从而获得更低的误码率。The signal transceiver 100 of the invention adopts a novel system design scheme and a substrate material design scheme, and is oriented to a Ka-band satellite modem. The frequency is high and the frequency band resources are abundant, and the antenna can provide a large gain. The signal transceiver 100 of the invention also adopts a double-conversion super-heterodyne structure, has high gain, stability, and adjustable, has good imaginary image frequency suppression capability, image frequency rejection ratio and high sensitivity, and is easy to realize high linear mixing and The corresponding bandwidth requirements. Since the first and second local oscillators 534, 544 of the signal transceiver 100 of the present invention generate a signal frequency source using a barium titanate dielectric resonator, the temperature stability is high (the temperature coefficient of the resonant frequency is less than 1.5 ppm at 10 GHz), and the quality The factor is high (the unloaded quality factor is 8000 at 4 GHz, the unloaded quality factor is 3500 at 10 GHz), and the phase noise coefficient performance is good. The novel microwave substrate and waveguide material of the signal transceiver 100 of the present invention have a high quality factor (no load quality factor of 2770 at 14 GHz), Low dielectric constant, low temperature coefficient of resonance frequency, light weight, good thermal stability, strong thermal conductivity, easy processing and good chemical compatibility with electrode materials. Guarantee the reliability of the entire transceiver system. In addition, the receiving module 50 of the signal transceiver 100 of the present invention employs a baseband digital predistortion technique to achieve a lower error rate.
本发明还提供一种信号收发机的制造方法，该方法包括：The invention also provides a method for manufacturing a signal transceiver, the method comprising:
采用单片微波集成电路板和镁橄榄石系陶瓷基板复合结构实现所述信号收发机，其中，The signal transceiver is realized by using a monolithic microwave integrated circuit board and a forsterite ceramic substrate composite structure, wherein
射频基板利用镁橄榄石系陶瓷基板制作，其材料为Li1-xMg1+xSixP1-xO4正交晶系Pmnb空间点群的镁橄榄石系陶瓷复合材料，x为一调节范围在0.1～0.3之间的系数；The radio frequency substrate is made of a forsterite ceramic substrate, and the material thereof is a Limestone ceramic composite material of a Li 1-x Mg 1+x Si x P 1-x O 4 orthorhombic Pmnb space point group, and x is a Adjusting the coefficient between 0.1 and 0.3;
单片微波集成电路板实现的如上所述的任意一种信号收发机的电路部分。A circuit portion of any of the signal transceivers as described above implemented by a monolithic microwave integrated circuit board.
上述方案中，所述制造方法还包括：In the above solution, the manufacturing method further includes:
向所述信号收发机的射频基板掺入0％～30％质量分数的CaTiO3，作为谐振频率温度系数调节剂。The radio frequency substrate of the signal transceiver is doped with 0% to 30% by mass of CaTiO 3 as a resonance frequency temperature coefficient regulator.
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。 The above is only the embodiment of the present invention, and it should be noted that those skilled in the art can make improvements without departing from the inventive concept, but these are all of the present invention. The scope of protection.

Claims (14)

  1. 一种信号收发机，其特征在于，所述信号收发机包括天线辐射模块、传输模块、双工器、发射模块及接收模块，其中，A signal transceiver, comprising: an antenna radiation module, a transmission module, a duplexer, a transmitting module, and a receiving module, wherein
    所述天线辐射模块，用于接收和发射Ka频段的微波信号，通过所述传输模块连接所述双工器的第一端；The antenna radiating module is configured to receive and transmit a microwave signal of a Ka band, and connect the first end of the duplexer through the transmission module;
    所述双工器的第二端连接所述发射模块，所述双工器的第三端连接所述接收模块；a second end of the duplexer is connected to the transmitting module, and a third end of the duplexer is connected to the receiving module;
    所述发射模块，用于将卫星调制解调器的基带输入的中频信号经过变频后，通过所述双工器、传输模块传输给所述天线辐射模块发射；The transmitting module is configured to: after the intermediate frequency signal input by the baseband of the satellite modem is frequency-converted, transmit to the antenna radiation module through the duplexer and the transmission module;
    所述接收模块，用于将通过所述天线辐射模块、传输模块和双工器接收的Ka频段的微波信号经过变频后，输出合适的中频信号给所述卫星调制解调器的基带；The receiving module is configured to: after converting the microwave signal of the Ka-band received by the antenna radiating module, the transmitting module, and the duplexer, output a suitable intermediate frequency signal to a baseband of the satellite modem;
    所述发射模块及所述接收模块均采用二次变频超外差式结构。Both the transmitting module and the receiving module adopt a double-conversion super-heterodyne structure.
  2. 根据权利要求1所述的信号收发机，其特征在于，所述接收模块包括：接收信号处理单元、控制监控单元，第一接收变频单元和第二接收变频单元；其中，The signal transceiver according to claim 1, wherein the receiving module comprises: a receiving signal processing unit, a control monitoring unit, a first receiving frequency converting unit and a second receiving frequency converting unit; wherein
    所述接收信号处理单元，与所述双工器第三端连接，用于根据所述控制监控单元的控制信号对通过所述双工器接收到的微波信号进行处理；The receiving signal processing unit is connected to the third end of the duplexer for processing a microwave signal received by the duplexer according to a control signal of the control monitoring unit;
    所述控制监控单元，用于根据所述卫星调制解调器基带的控制信号，控制所述接收信号处理单元；The control monitoring unit is configured to control the received signal processing unit according to a control signal of the baseband of the satellite modem;
    所述第一接收变频单元，用于与第一本地振荡器配合，将所述接收信号处理单元输出的微波信号进行第一级降频，向所述第二接收变频单元输出第一降频信号；The first receiving frequency conversion unit is configured to cooperate with the first local oscillator, perform frequency reduction of the microwave signal output by the received signal processing unit, and output a first frequency down signal to the second receiving frequency conversion unit. ;
    所述第二接收变频单元，用于与第二本地振荡器配合，将所述第一降频信号进行第二级降频，向所述卫星调制解调器基带输出合适的中频信号。The second receiving frequency conversion unit is configured to cooperate with the second local oscillator to perform a second level down-conversion of the first down-converted signal to output a suitable intermediate frequency signal to the satellite modem baseband.
  3. 根据权利要求2所述的信号收发机，其特征在于，所述发射模块包 括：第一发射变频单元、第二发射变频单元和发射信号处理单元；其中，The transceiver of claim 2 wherein said transmitting module package The first transmitting frequency conversion unit, the second transmitting frequency converting unit and the transmitting signal processing unit; wherein
    所述第一发射变频单元，用于与所述第二本地振荡器配合，将所述卫星调制解调器基带输入的中频信号进行第一级升频，向所述第二发射变频单元输出第一升频信号；The first transmit variable frequency unit is configured to cooperate with the second local oscillator to perform an initial frequency up-conversion of the intermediate frequency signal input by the satellite modem baseband, and output a first up-conversion frequency to the second transmit variable frequency unit. signal;
    所述第二发射变频单元，用于与所述第一本地振荡器配合，将所述第一升频信号进行第二级升频，向所述发射信号处理单元输出第二升频信号；The second transmit variable frequency unit is configured to cooperate with the first local oscillator to perform a second stage up-conversion of the first up-converted signal, and output a second up-converted signal to the transmit signal processing unit;
    所述发射信号处理单元，与所述双工器的第二端相连，用于将所述第二升频信号进行处理后，经过所述双工器、传输模块传输给所述天线辐射模块发射。The transmitting signal processing unit is connected to the second end of the duplexer for processing the second up-converted signal, and transmitting to the antenna radiating module through the duplexer and the transmission module. .
  4. 根据权利要求2或3所述的信号收发机，其特征在于，所述第一本地振荡器的频率范围为8.63GHz～13.83GHz；所述第二本地振荡器的频率范围为8.64GHz～13.84GHz；所述卫星调制解调器基带信号的频率范围为L波段。The signal transceiver according to claim 2 or 3, wherein the first local oscillator has a frequency range of 8.63 GHz to 13.83 GHz; and the second local oscillator has a frequency range of 8.64 GHz to 13.84 GHz. The satellite modem baseband signal has a frequency range of L-band.
  5. 根据权利要求1所述的信号收发机，其特征在于：所述天线辐射模块为一偏馈天线，所述传输模块包括一波导移相器及一腔体高通滤波器，所述腔体高通滤波器通过所述波导移相器连接所述天线辐射模块以对所述天线辐射模块接收的微波信号滤波，所述腔体高通滤波器还连接所述双工器的第一端，所述腔体高通滤波器用于使频率高于或位于Ka范围内的高频信号通过，削弱Ka波段以下的杂讯。The signal transceiver of claim 1 wherein said antenna radiating module is a biasing antenna, said transmitting module comprising a waveguide phase shifter and a cavity high pass filter, said cavity high pass filtering The antenna radiation module is coupled to the antenna radiation module by the waveguide phase shifter to filter a microwave signal received by the antenna radiation module, the cavity high-pass filter further connecting a first end of the duplexer, the cavity The high pass filter is used to pass high frequency signals with frequencies above or within the Ka range, attenuating noise below the Ka band.
  6. 根据权利要求2所述的信号收发机，其特征在于，所述信号接收处理单元包括依序连接的第一滤波器、预失真器、第一放大器、衰减器及第二滤波器；其中，The signal transceiver according to claim 2, wherein the signal receiving processing unit comprises a first filter, a predistorter, a first amplifier, an attenuator and a second filter connected in sequence;
    所述第一滤波器连接所述双工器的第三端，所述第一滤波器为一宽频带带通无源滤波器，所述第一滤波器用于将接收的信号经初步滤波后输出给所述预失真器；The first filter is connected to the third end of the duplexer, the first filter is a broadband band pass passive filter, and the first filter is configured to output the received signal after preliminary filtering. Giving the predistorter;
    所述预失真器，用于实现基带数字预失真技术，对所接收的信号进行预失真处理；The predistorter is configured to implement a baseband digital predistortion technique, and perform predistortion processing on the received signal;
    所述第一放大器，用于对所接收的信号进行自适应式放大； The first amplifier is configured to perform adaptive amplification on the received signal;
    所述衰减器，用于对放大后的信号进行与后级的阻抗匹配；The attenuator is configured to perform impedance matching on the amplified signal with the subsequent stage;
    所述第二滤波器，用于滤除带外干扰信号后输出给所述第一接收变频单元；The second filter is configured to filter out the out-of-band interference signal and output the signal to the first receiving frequency conversion unit;
    所述预失真器、第一放大器及衰减器均受所述控制监控单元控制。The predistorter, the first amplifier, and the attenuator are both controlled by the control and monitoring unit.
  7. 根据权利要求2所述的信号收发机，其特征在于，所述第一接收变频单元和所述第二接收变频单元各自包括一变频器、一滤波器和一放大器；其中，The signal transceiver according to claim 2, wherein said first receiving frequency converting unit and said second receiving frequency converting unit each comprise a frequency converter, a filter and an amplifier;
    所述变频器的射频(RF)端与本单元的信号输入端相连，本振(LO)端与本单元对应的本地振荡器相连，中频(IF)端与本单元滤波器的一端相连；The radio frequency (RF) end of the frequency converter is connected to the signal input end of the unit, the local oscillator (LO) end is connected to the local oscillator corresponding to the unit, and the intermediate frequency (IF) end is connected to one end of the unit filter;
    本单元滤波器的另一端与本单元的放大器相连，经过本单元的放大器向外输出降频信号。The other end of the unit filter is connected to the amplifier of the unit, and the down-converted signal is outputted through the amplifier of the unit.
  8. 根据权利要求3所述的信号收发机，其特征在于，所述第一发射变频单元和所述第二发射变频单元各自包括一放大器、一变频器和一滤波器；其中，The signal transceiver according to claim 3, wherein said first transmit variable frequency unit and said second transmit variable frequency unit each comprise an amplifier, a frequency converter and a filter;
    所述放大器的输入端为本单元的信号输入端，所述放大器的输出端连接本单元的变频器的中频(IF)端；The input end of the amplifier is a signal input end of the unit, and the output end of the amplifier is connected to an intermediate frequency (IF) end of the frequency converter of the unit;
    本单元变频器的本振(LO)端连接本单元对应的本地振荡器，本单元变频器的射频(RF)端与本单元的滤波器的一端相连；The local oscillator (LO) end of the unit inverter is connected to the local oscillator corresponding to the unit, and the radio frequency (RF) end of the unit inverter is connected to one end of the filter of the unit;
    本单元滤波器的另一端为本单元的输出端，向外输出升频信号。The other end of the filter of this unit is the output end of the unit, and the up-converted signal is output to the outside.
  9. 根据权利要求3所述的信号收发机，其特征在于：所述发射信号处理单元包括依序连接的第六放大器、隔离器及第七滤波器，所述发射信号处理单元对所接收的信号经所述第六放大器进行功率放大后，经所述隔离器防止输出失配，并经所述第七滤波器滤波后传输给所述双工器的第二端。The signal transceiver according to claim 3, wherein said transmission signal processing unit comprises a sixth amplifier, an isolator and a seventh filter which are sequentially connected, said transmission signal processing unit After the sixth amplifier performs power amplification, the output mismatch is prevented by the isolator, and is filtered by the seventh filter and transmitted to the second end of the duplexer.
  10. 根据权利要求2所述的信号收发机，其特征在于：所述第一本地振荡器及所述第二本地振荡器均由钛酸钡介质谐振振荡器实现，用于提供低相位噪声且频率可调节的本振信号。The signal transceiver according to claim 2, wherein said first local oscillator and said second local oscillator are each implemented by a barium titanate dielectric resonator oscillator for providing low phase noise and having a frequency Adjusted local oscillator signal.
  11. 根据权利要求1所述的信号收发机，其特征在于，所述信号收发机 采用单片微波集成电路板和镁橄榄石系陶瓷基板复合结构设计，其中，射频基板利用镁橄榄石系陶瓷基板制作，其材料为Li1-xMg1+xSixP1-xO4正交晶系Pmnb空间点群的镁橄榄石系陶瓷复合材料，x为一调节范围在0.1～0.3之间的系数。The signal transceiver according to claim 1, wherein the signal transceiver adopts a monolithic microwave integrated circuit board and a forsterite ceramic substrate composite structure design, wherein the radio frequency substrate is made of a forsterite ceramic substrate. The material is Li -x Mg 1+x Si x P 1-x O 4 orthorhombic Pmnb space point group of forsterite ceramic composite, x is a coefficient ranging from 0.1 to 0.3 .
  12. 根据权利要求11所述的信号收发机，其特征在于：所述信号收发机的射频基板中包含0％～30％质量分数的CaTiO3，作为谐振频率温度系数调节剂。The signal transceiver according to claim 11, wherein the radio frequency substrate of the signal transceiver comprises 0% to 30% by mass of CaTiO 3 as a resonance frequency temperature coefficient adjusting agent.
  13. 一种信号收发机的制造方法，其特征在于，所述方法包括：A method of manufacturing a signal transceiver, characterized in that the method comprises:
    采用单片微波集成电路板和镁橄榄石系陶瓷基板复合结构实现所述信号收发机，其中，The signal transceiver is realized by using a monolithic microwave integrated circuit board and a forsterite ceramic substrate composite structure, wherein
    射频基板利用镁橄榄石系陶瓷基板制作，其材料为Li1-xMg1+xSixP1-xO4正交晶系Pmnb空间点群的镁橄榄石系陶瓷复合材料，x为一调节范围在0.1～0.3之间的系数；The radio frequency substrate is made of a forsterite ceramic substrate, and the material thereof is a Limestone ceramic composite material of a Li 1-x Mg 1+x Si x P 1-x O 4 orthorhombic Pmnb space point group, and x is a Adjusting the coefficient between 0.1 and 0.3;
    单片微波集成电路板实现的根据权利要求1至10任一项所述的信号收发机的电路部分。A circuit portion of a signal transceiver according to any one of claims 1 to 10 implemented by a monolithic microwave integrated circuit board.
  14. 根据权利要求13所述的制造方法，其特征在于，所述制造方法还包括：The manufacturing method according to claim 13, wherein the manufacturing method further comprises:
    向所述信号收发机的射频基板掺入0％～30％质量分数的CaTiO3，作为谐振频率温度系数调节剂。 The radio frequency substrate of the signal transceiver is doped with 0% to 30% by mass of CaTiO 3 as a resonance frequency temperature coefficient regulator.
PCT/CN2016/074867 2015-12-28 2016-02-29 Signal transceiver and manufacturing method therefor WO2017113501A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201511004929.2A CN105490733B (en) 2015-12-28 2015-12-28 Signal transmitting and receiving machine
CN201511004929.2 2015-12-28

Publications (1)

Publication Number Publication Date
WO2017113501A1 true WO2017113501A1 (en) 2017-07-06

Family

ID=55677495

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/074867 WO2017113501A1 (en) 2015-12-28 2016-02-29 Signal transceiver and manufacturing method therefor

Country Status (2)

Country Link
CN (1) CN105490733B (en)
WO (1) WO2017113501A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109120286A (en) * 2018-10-12 2019-01-01 南京屹信航天科技有限公司 It is a kind of for minimizing the radio circuit of ODU transmission channel
CN110429952A (en) * 2019-06-04 2019-11-08 广东圣大电子有限公司 A kind of comprehensive radio-frequency system of Ku wave band
CN110492883A (en) * 2019-08-30 2019-11-22 珠海市普斯赛特科技有限公司 A kind of method and circuit of the anti-tampering type frequency reducing of C-band phaselocked loop
CN113721273A (en) * 2021-07-27 2021-11-30 四创电子股份有限公司 Double-antenna Beidou portable monitoring terminal device
CN116232426A (en) * 2022-12-30 2023-06-06 西安空间无线电技术研究所 Integrated design method for satellite-borne C/Ku frequency band measurement and control transponder

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105490733B (en) * 2015-12-28 2017-12-01 深圳市华讯方舟卫星通信有限公司 Signal transmitting and receiving machine
CN113382462B (en) * 2021-05-20 2023-03-21 深圳市星楷通讯设备有限公司 Multi-closed-loop power control system and control method suitable for satellite communication

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103051348A (en) * 2012-12-11 2013-04-17 青岛联盟电子仪器有限公司 Receiver circuit
CN103957047A (en) * 2014-05-12 2014-07-30 北京遥测技术研究所 Miniaturized channel with low power consumption at Ka frequency band
EP2889954A1 (en) * 2013-12-23 2015-07-01 Thales Method for defining the structure of a Ka-band antenna
CN105490733A (en) * 2015-12-28 2016-04-13 深圳市华讯方舟卫星通信有限公司 Signal transceiver

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101478320A (en) * 2008-11-17 2009-07-08 华为技术有限公司 Microwave device radio frequency circuit and transmitting and receiving interval regulating method for the circuit
CN101902236B (en) * 2008-11-20 2013-03-20 熊猫电子集团有限公司 Integrated structure of Ka frequency band radio frequency part of satellite piggyback station
CN203574095U (en) * 2013-03-25 2014-04-30 中国电子科技集团公司第五十四研究所 Portable offset antenna
CN203872167U (en) * 2014-05-27 2014-10-08 北京遥测技术研究所 Millimeter wave integrated transmit-receive channel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103051348A (en) * 2012-12-11 2013-04-17 青岛联盟电子仪器有限公司 Receiver circuit
EP2889954A1 (en) * 2013-12-23 2015-07-01 Thales Method for defining the structure of a Ka-band antenna
CN103957047A (en) * 2014-05-12 2014-07-30 北京遥测技术研究所 Miniaturized channel with low power consumption at Ka frequency band
CN105490733A (en) * 2015-12-28 2016-04-13 深圳市华讯方舟卫星通信有限公司 Signal transceiver

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109120286A (en) * 2018-10-12 2019-01-01 南京屹信航天科技有限公司 It is a kind of for minimizing the radio circuit of ODU transmission channel
CN109120286B (en) * 2018-10-12 2024-01-23 南京屹信航天科技有限公司 Radio frequency circuit for miniaturized ODU transmitting channel
CN110429952A (en) * 2019-06-04 2019-11-08 广东圣大电子有限公司 A kind of comprehensive radio-frequency system of Ku wave band
CN110429952B (en) * 2019-06-04 2024-04-19 广东圣大电子有限公司 Ku wave band comprehensive radio frequency receiving and transmitting system
CN110492883A (en) * 2019-08-30 2019-11-22 珠海市普斯赛特科技有限公司 A kind of method and circuit of the anti-tampering type frequency reducing of C-band phaselocked loop
CN113721273A (en) * 2021-07-27 2021-11-30 四创电子股份有限公司 Double-antenna Beidou portable monitoring terminal device
CN116232426A (en) * 2022-12-30 2023-06-06 西安空间无线电技术研究所 Integrated design method for satellite-borne C/Ku frequency band measurement and control transponder

Also Published As

Publication number Publication date
CN105490733B (en) 2017-12-01
CN105490733A (en) 2016-04-13

Similar Documents

Publication Publication Date Title
WO2017113501A1 (en) Signal transceiver and manufacturing method therefor
US11063654B2 (en) Diversity receiver and terminal
CN113067551A (en) Circuit for providing harmonic response suppression for mixer
CN112514248A (en) Wideband Low Noise Amplifier (LNA) with reconfigurable bandwidth for millimeter wave 5G communications
CN108847866B (en) Radio frequency front end adjacent channel interference suppression circuit and WLAN access equipment
CN203896455U (en) Circuit structure of satellite low noise block
Wu et al. A Current-Mode mm-Wave direct-conversion receiver with 7.5 GHz Bandwidth, 3.8 dB minimum noise-figure and+ 1dBm P 1dB, out linearity for high data rate communications
US20230163796A1 (en) High-frequency circuit and communication device
US7542735B2 (en) Multi-octave differential upconverter
US20050143031A1 (en) Multi-band receiver
US11664835B2 (en) Fully integrated radio frequency terminal system
KR950003711B1 (en) Parasitic signal reduction circuit for high frequency oscillator
US11405009B2 (en) RF amplifier including gain/phase compensator
Khater et al. A tunable 0.86–1.03 GHz FDD wireless communication system with an evanescent-mode diplexer and a self-interference-cancelling receiver
WO2021184371A1 (en) Receiving apparatus, transmitting apparatus, and signal processing method
US6807399B1 (en) Transmitting/receiving apparatus of repeater system
US20230291433A1 (en) Self-interference canceller
JPWO2019107105A1 (en) Wireless communication device
KR100765286B1 (en) A radio frequency signal transceiver and a method thereof
JPH053923B2 (en)
TW202345137A (en) Acoustic resonator filter system
JP2008277901A (en) Radio communication device
JP2002353833A (en) High frequency reception circuit

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16880310

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16880310

Country of ref document: EP

Kind code of ref document: A1