CN1825687A - X wave band substrate integrated waveguide single board radio frequency system - Google Patents
X wave band substrate integrated waveguide single board radio frequency system Download PDFInfo
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- CN1825687A CN1825687A CN 200610038496 CN200610038496A CN1825687A CN 1825687 A CN1825687 A CN 1825687A CN 200610038496 CN200610038496 CN 200610038496 CN 200610038496 A CN200610038496 A CN 200610038496A CN 1825687 A CN1825687 A CN 1825687A
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- 230000010355 oscillation Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
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Abstract
This invention relates to a single-board RF system used in microwaves and millimeter waves, especially to an X band chip integrated waveguide single-board RF system including a medium chip set with an antenna, a duplexer, a RF receive noise amplifier, a RF receive filter, a lower converter, a local power splitter, an upper converter, a RF emission filter, an emission power amplifier, an IF emission circuit, a RF local phase lock loop and an IF receiving circuit.
Description
Technical field
The present invention relates to a kind of microwave and millimeter wave single board radio frequency system, relate in particular to a kind of X-band substrate integrated waveguide single board radio frequency system that can be used for microwave and millimeter wave.
Background technology
Development of Communication Technique requires each parts to be easy to integrated, miniaturization, lightweight and high reliability.In the high performance microwave telecommunication system of tradition, each module of radio frequency, antenna, duplexer, intermediate-frequency circuit structurally are separated from each other.Its reason is: adopt different technology to realize in order to improve each parts of performance, for example antenna adopts reflector antenna or element antenna etc., duplexer to adopt conventional metals wave-guide cavity wave duplexer, radio-frequency filter to adopt metal waveguide filter or ceramic filter etc., intermediate-frequency circuit and each independent radio-frequency devices to make on circuit board respectively.This cost and bulking value that has improved system is all bigger.Therefore, need to propose novel integrated technology, and the device that grows up on this basis, cloth version rule and integrated technology, realizing the high performance while, can reach high integrated level, realize that until all components and parts of microwave radio system veneer is integrated.
Summary of the invention
The invention provides a kind of X-band substrate integrated waveguide single board radio frequency system that is used to solve the high-performance veneer integration problem of microwave and millimeter wave circuit and is suitable for the design of microwave and millimeter wave circuit and integrated circuit, have the little advantage of veneer integrated system loss.
The present invention adopts following technical scheme:
A kind of X-band substrate integrated waveguide single board radio frequency system that is used for the microwave and millimeter wave circuit, comprise dielectric substrate, on dielectric substrate, be provided with antenna, duplexer, radio frequency receives low noise amplifier, the radio frequency receiving filter, low-converter, the local oscillator power splitter, upconverter, the radio-frequency transmissions filter, emission power amplifier, the intermediate frequency radiating circuit, radio-frequency (RF) local oscillator phase-locked loop and intermediate frequency receiver circuit, the synthetic end of duplexer is connected with the feed end of antenna, the receiving port of duplexer and emission port receive the input of low noise amplifier with radio frequency respectively and the output of emission power amplifier is connected, the output that radio frequency receives low noise amplifier is connected with the input of radio frequency receiving filter, the output of radio frequency receiving filter is connected with the radio-frequency head of low-converter, the local oscillator end of low-converter is connected with the second power division end of local oscillator power splitter, the first power division end of local oscillator power splitter is connected with the local oscillator end of upconverter, the radio-frequency head of upconverter is connected with the input of radio-frequency transmissions filter, the output of radio-frequency transmissions filter is connected with the input of emission power amplifier, the intermediate frequency end of above-mentioned upconverter and power end are connected with the power end and the intermediate frequency end of intermediate frequency radiating circuit respectively, two ports in addition on the intermediate frequency radiating circuit are respectively emission I end and emission Q end, the power input of above-mentioned local oscillator power splitter is connected with the output of radio-frequency (RF) local oscillator phase-locked loop, the intermediate frequency end of above-mentioned low-converter and power end are connected with the intermediate frequency end and the power end of intermediate frequency receiver circuit respectively, two ports in addition on the intermediate frequency receiver circuit are respectively and receive the I end and receive the Q end, receive low noise amplifier at above-mentioned radio frequency, the radio frequency receiving filter, low-converter, the local oscillator power splitter, upconverter, the radio-frequency transmissions filter, emission power amplifier, the intermediate frequency radiating circuit, radio-frequency (RF) local oscillator phase-locked loop or intermediate frequency receiver circuit are respectively equipped with the isolating metal frame.
The present invention has realized high Q value, low-loss substrate integrated waveguide on dielectric substrate, this waveguide has transmission characteristic and the field distribution similar with the ordinary rectangular metal waveguide; Then, utilize substrate integration wave-guide to form passive component in the X-band substrate integration wave-guide high integration single board radio frequency system, comprise antenna, duplexer, power splitter, filter etc.; Design radio frequency simultaneously and received low noise amplifier, low-converter; Emission power amplifier, upconverter; Radio-frequency (RF) local oscillator phase-locked loop and local oscillator amplifying circuit, intermediate frequency radiating circuit and phase-locked loop, intermediate frequency receiver circuit and phase-locked loop etc.Designing being connected between substrate integration wave-guide device and the active device on the basis of above-mentioned components and parts, and based on the device isolation scheme of substrate integration wave-guide.The whole X-band Radio Frequency Subsystem that comprises antenna is the most at last gone up realization at a veneer (PCB).In this substrate integration wave-guide high integration single board radio frequency system, all structures all are to utilize to beat a series of metal throuth hole array realize on dielectric substrate, thereby help passive device integrated in the microwave and millimeter wave circuit design; According to the needs of cloth version, reasonably select the combination between substrate integration wave-guide element and the active device; When the isolation cabin that designs between the device, metal bead is placed on the substrate integration wave-guide top, further to reduce the area of circuit board.
Compared with prior art, the present invention has following advantage:
1) all elements that comprise antenna in the Radio Frequency Subsystem are all realized on a veneer, have improved the integrated level of system greatly;
2) all passive components need not to buy independently element in the inner realization of substrate, have realized " substrate is an element ", have greatly reduced system cost;
3) all passive components have and the similar characteristic of rectangular metal waveguide in the inner realization of substrate, compare with microstrip circuit, and the Q value is high, and loss is low, and radiated interference is little.
4) during the isolation cabin of design between the device, metal bead is placed on the substrate integration wave-guide top, closely contacts with circuit board surface.Avoided under traditional little band cloth version mode the leakage signal that need bring in the metal bead upper shed.Improved the isolation effect between each parts in the system, reached more than the 60dB.
Description of drawings
Fig. 1 is a system construction drawing of the present invention.
Fig. 2 is the substrate integration wave-guide antenna assumption diagram.
Fig. 3 is substrate integration wave-guide diplexer structure figure.
Fig. 4 is the low noise amplifier structure chart.
Fig. 5 is a substrate integration wave-guide receiving filter structure chart.
Fig. 6 is the low-converter structure chart.
Fig. 7 is substrate integration wave-guide local oscillation power dispensing arrangement figure.
Fig. 8 is the upconverter structure chart.
Fig. 9 is a substrate integration wave-guide emission filter structure chart.
Figure 10 is power amplifier structure figure.
Figure 11 is the emission medium-frequency circuit structure diagram.
Figure 12 is the radio-frequency (RF) local oscillator circuit structure diagram.
Figure 13 receives the intermediate-frequency circuit structure chart.
Figure 14 is the isolation view between the device.
The control characteristic resolution chart of Figure 15 receive path gain.
The gain control features figure of Figure 16 transmission channel.
Embodiment
A kind of X-band substrate integrated waveguide single board radio frequency system that is used for the microwave and millimeter wave circuit, comprise dielectric substrate I, on dielectric substrate I, be provided with antenna 1, duplexer 2, radio frequency receives low noise amplifier 3, radio frequency receiving filter 4, low-converter 5, local oscillator power splitter 6, upconverter 7, radio-frequency transmissions filter 8, emission power amplifier 9, intermediate frequency radiating circuit 10, radio-frequency (RF) local oscillator phase-locked loop 11 and intermediate frequency receiver circuit 12, the synthetic end of duplexer 2 is connected with the feed end of antenna 1, the receiving port of duplexer 2 and emission port receive the input of low noise amplifier 3 with radio frequency respectively and the output of emission power amplifier 9 is connected, the output that radio frequency receives low noise amplifier 3 is connected with the input of radio frequency receiving filter 4, the output of radio frequency receiving filter 4 is connected with the radio-frequency head of low-converter 5, the local oscillator end of low-converter 5 is connected with the second power division end of local oscillator power splitter 6, the first power division end of local oscillator power splitter 6 is connected with the local oscillator end of upconverter 7, the radio-frequency head of upconverter 7 is connected with the input of radio-frequency transmissions filter 8, the output of radio-frequency transmissions filter 8 is connected with the input of emission power amplifier 9, the intermediate frequency end of above-mentioned upconverter 7 and power end are connected with the power end and the intermediate frequency end of intermediate frequency radiating circuit 10 respectively, two ports in addition on the intermediate frequency radiating circuit 10 are respectively emission I end and emission Q end, the power input of above-mentioned local oscillator power splitter 6 is connected with the output of radio-frequency (RF) local oscillator phase-locked loop 11, the intermediate frequency end of above-mentioned low-converter 5 and power end are connected with the intermediate frequency end and the power end of intermediate frequency receiver circuit 12 respectively, two ports in addition on the intermediate frequency receiver circuit 12 are respectively and receive the I end and receive the Q end, receive low noise amplifier 3 at above-mentioned radio frequency, radio frequency receiving filter 4, low-converter 5, local oscillator power splitter 6, upconverter 7, radio-frequency transmissions filter 8, emission power amplifier 9, intermediate frequency radiating circuit 10, radio-frequency (RF) local oscillator phase-locked loop 11 or intermediate frequency receiver circuit 12 are respectively equipped with the isolating metal frame.The isolating metal frame is pressed on dielectric substrate I and the substrate integration wave-guide, and the isolating metal frame can be selected metal frames such as aluminium, copper, steel, as shown in figure 14.
Between antenna and duplexer, directly adopt substrate integration wave-guide to be connected, as shown in Figure 2; Between duplexer and radio frequency low-noise amplifier, and adopt the gradual change microstrip line to be connected between duplexer and the power amplifier, as shown in Figure 3; Between radio frequency low-noise amplifier and received RF filter, between received RF filter and the low-converter, between upconverter and the emission radio-frequency filter, between emission radio-frequency filter and the power amplifier, between local oscillation power distributor and the low-converter, between local oscillation power distributor and the upconverter, and adopt coplanar waveguide structure to be connected between local oscillation power distributor and the radio-frequency (RF) local oscillator phase-locked loop, as Fig. 5 and shown in Figure 9;
The present invention has realized substrate integration wave-guide high integration single board radio frequency system at X-band, and adopting thickness is the dielectric substrate of 0.5mm, and electric relatively dielectric constant is 2.2.16 * 15 substrate integration wave-guide double-feed antennas have been adopted; T type substrate integration wave-guide duplexer; 3 chamber substrate integration wave-guides receive send out filter; T type chip integrated wave guide power rate distributor; The two-stage amplifier circuit in low noise adopts Agilent pHEMT pipe to realize; Last low-converter adopts the Hittle frequency mixer to make; Radio-frequency (RF) local oscillator adopts Analog Device to combine frequently with the Hittle voltage controlled oscillator and realizes; Intermediate frequency receive Power Generation Road adopt Analog Device modulation demodulation chip realize;
Below be test result:
Figure 15 is the gain control features test result of receive path.Radiofrequency signal is loaded on the low noise amplifier input in the test, is output as i/q signal.Shown the characteristic of i/q signal power with the radio frequency signal power variations among the figure, (attenuation is-curve during 31dB) with complete shut-down (attenuation is 0dB) to have provided the intermediate frequency attenuator standard-sized sheet respectively.Take all factors into consideration two curves, when the received signal scope be-75dBm～-during 10dBm (input 1dB compression point for-10dBm), by adjusting attenuation, can guarantee i/q signal power-10dBm～-9dBm.
Figure 16 is the gain control features test result of transmission channel.Input signal is baseband I/Q signal in the test, is output as radiofrequency signal.When the attenuation of intermediate frequency attenuator changed between 0dB～31dB, the output power range of transmitter was 20～-13dBm dBm.In actual applications, can adjust transmitting power according to link circuit condition in good time.
The present invention realizes substrate integration wave-guide in that substrate is inner, and made full use of this characteristic, will comprise that the radio-frequency (RF) passive element of antenna, duplexer adopts substrate integrated waveguide technology to realize, improved the integrated level of system greatly.Wherein: the radiofrequency signal that antenna is responsible for receiving the space is delivered to the signal radiation that receives link processing, simultaneously transmitting chain produced to the space by duplexer; Duplexer will be launched with received signal and separate, and the unified interface to antenna is provided; The reception link comprises: radio frequency low-noise amplifier: be responsible for receiving the faint radiofrequency signal of amplification; Received RF filter: be responsible for image frequency and suppress; Low-converter: radiofrequency signal is converted into intermediate frequency; Intermediate frequency receiver circuit: intermediate-freuqncy signal is converted into the accessible i/q signal of baseband circuit; Transmitting chain comprises: the intermediate frequency radiating circuit: the baseband circuit i/q signal is converted into intermediate-freuqncy signal; Upconverter: intermediate-freuqncy signal is converted into radio frequency; Emission is filter frequently: be responsible for leaching the radio frequency clutter; Emission power amplifier: be responsible for producing power signal; Radio-frequency (RF) local oscillator circuit: produce the radio-frequency (RF) local oscillator signal; Local oscillation power is distributed and is amplified: local oscillation signal is amplified, and be dispensed to the transmitting-receiving radio frequency link.
Claims (2)
1, a kind of X-band substrate integrated waveguide single board radio frequency system that is used for the microwave and millimeter wave circuit, it is characterized in that comprising dielectric substrate (I), on dielectric substrate (I), be provided with antenna (1), duplexer (2), radio frequency receives low noise amplifier (3), radio frequency receiving filter (4), low-converter (5), local oscillator power splitter (6), upconverter (7), radio-frequency transmissions filter (8), emission power amplifier (9), intermediate frequency radiating circuit (10), radio-frequency (RF) local oscillator phase-locked loop (11) and intermediate frequency receiver circuit (12), the synthetic end of duplexer (2) is connected with the feed end of antenna (1), the receiving port of duplexer (2) and emission port receive the input of low noise amplifier (3) with radio frequency respectively and the output of emission power amplifier (9) is connected, the output that radio frequency receives low noise amplifier (3) is connected with the input of radio frequency receiving filter (4), the output of radio frequency receiving filter (4) is connected with the radio-frequency head of low-converter (5), the local oscillator end of low-converter (5) is connected with the second power division end of local oscillator power splitter (6), the first power division end of local oscillator power splitter (6) is connected with the local oscillator end of upconverter (7), the radio-frequency head of upconverter (7) is connected with the input of radio-frequency transmissions filter (8), the output of radio-frequency transmissions filter (8) is connected with the input of emission power amplifier (9), the intermediate frequency end of above-mentioned upconverter (7) and power end are connected with the power end and the intermediate frequency end of intermediate frequency radiating circuit (10) respectively, two ports in addition on the intermediate frequency radiating circuit (10) are respectively emission I end and emission Q end, the power input of above-mentioned local oscillator power splitter (6) is connected with the output of radio-frequency (RF) local oscillator phase-locked loop (11), the intermediate frequency end of above-mentioned low-converter (5) and power end are connected with the intermediate frequency end and the power end of intermediate frequency receiver circuit (12) respectively, two ports in addition on the intermediate frequency receiver circuit (12) are respectively and receive the I end and receive the Q end, receive low noise amplifier (3) at above-mentioned radio frequency, radio frequency receiving filter (4), low-converter (5), local oscillator power splitter (6), upconverter (7), radio-frequency transmissions filter (8), emission power amplifier (9), intermediate frequency radiating circuit (10), radio-frequency (RF) local oscillator phase-locked loop (11) or intermediate frequency receiver circuit (12) are respectively equipped with the isolating metal frame.
2, X-band substrate integrated waveguide single board radio frequency system according to claim 1 is characterized in that the isolating metal frame is pressed on dielectric substrate (I) and the substrate integration wave-guide.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100384967A CN100561796C (en) | 2006-02-27 | 2006-02-27 | The X-band substrate integrated waveguide single board radio frequency system |
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| CNB2006100384967A CN100561796C (en) | 2006-02-27 | 2006-02-27 | The X-band substrate integrated waveguide single board radio frequency system |
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| CN1825687A true CN1825687A (en) | 2006-08-30 |
| CN100561796C CN100561796C (en) | 2009-11-18 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010102454A1 (en) * | 2009-03-13 | 2010-09-16 | 华为技术有限公司 | Radio frequency unit and integrated antenna |
| CN104753470A (en) * | 2013-12-31 | 2015-07-01 | 南京理工大学常熟研究院有限公司 | X-band low noise amplifier |
| CN105721000A (en) * | 2015-12-28 | 2016-06-29 | 深圳市华讯方舟微电子科技有限公司 | Radio-frequency transmitting module, radio-frequency transmitting component, phased-array antenna and production method thereof |
| CN108344404A (en) * | 2018-01-19 | 2018-07-31 | 陈希 | A kind of millimeter wave bank base ocean wave observation instrument |
| CN112946585A (en) * | 2019-12-11 | 2021-06-11 | 东莞天速通信技术有限公司 | Jammer based on space power synthesis and jamming method |
| CN113285748A (en) * | 2021-04-07 | 2021-08-20 | 上海利正卫星应用技术有限公司 | Miniaturized radio frequency front-end device of satellite-borne communication system |
| CN113382462A (en) * | 2021-05-20 | 2021-09-10 | 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 |
-
2006
- 2006-02-27 CN CNB2006100384967A patent/CN100561796C/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010102454A1 (en) * | 2009-03-13 | 2010-09-16 | 华为技术有限公司 | Radio frequency unit and integrated antenna |
| US8781409B2 (en) | 2009-03-13 | 2014-07-15 | Huawei Technologies Co., Ltd. | Radio frequency unit and integrated antenna |
| US8971824B2 (en) | 2009-03-13 | 2015-03-03 | Huawei Technologies Co., Ltd. | Radio frequency unit and integrated antenna |
| CN104753470A (en) * | 2013-12-31 | 2015-07-01 | 南京理工大学常熟研究院有限公司 | X-band low noise amplifier |
| CN105721000A (en) * | 2015-12-28 | 2016-06-29 | 深圳市华讯方舟微电子科技有限公司 | Radio-frequency transmitting module, radio-frequency transmitting component, phased-array antenna and production method thereof |
| CN108344404A (en) * | 2018-01-19 | 2018-07-31 | 陈希 | A kind of millimeter wave bank base ocean wave observation instrument |
| CN112946585A (en) * | 2019-12-11 | 2021-06-11 | 东莞天速通信技术有限公司 | Jammer based on space power synthesis and jamming method |
| CN112946585B (en) * | 2019-12-11 | 2024-03-01 | 东莞天速通信技术有限公司 | Jammer and jammer method based on space power synthesis |
| CN113285748A (en) * | 2021-04-07 | 2021-08-20 | 上海利正卫星应用技术有限公司 | Miniaturized radio frequency front-end device of satellite-borne communication system |
| CN113285748B (en) * | 2021-04-07 | 2022-12-30 | 上海利正卫星应用技术有限公司 | Miniature radio frequency front-end device of satellite-borne communication system |
| CN113382462A (en) * | 2021-05-20 | 2021-09-10 | 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 |
| 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 |
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|---|---|
| CN100561796C (en) | 2009-11-18 |
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