CN200956576Y - Micro wave single-board radio frequency device - Google Patents
Micro wave single-board radio frequency device Download PDFInfo
- Publication number
- CN200956576Y CN200956576Y CNU2006200696112U CN200620069611U CN200956576Y CN 200956576 Y CN200956576 Y CN 200956576Y CN U2006200696112 U CNU2006200696112 U CN U2006200696112U CN 200620069611 U CN200620069611 U CN 200620069611U CN 200956576 Y CN200956576 Y CN 200956576Y
- Authority
- CN
- China
- Prior art keywords
- frequency
- radio
- power
- radio frequency
- local oscillator
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a single-plate radio frequency system used by the microwave and millimeter-wave, particularly relating to a waveguide single-plate radio frequency system integrated by the X wave band substrate which can be used in the microwave and millimeter-wave. The waveguide single-plate radio frequency system integrated by the X wave band substrate includes a medium substrate; the medium substrate is provided with an antenna, a duplexer, a low-noise amplifier of the radio frequency reception, a filter of the radio frequency reception, a lower transducer, a vibration and power splitter, an upper transducer, a filter of the radio frequency transmission, an amplifier of the transmission power, a intermediate frequency transmission circuit, a radio frequency vibration and phase-locking loop and a intermediate frequency receiver circuit. All the elements with no source in the utility model are realized inside the substrate; no independent element needs purchasing; the device realizes that ''the substrate is the element'', and greatly lowers the system cost; all the elements with no source are realized inside the substrate; the device has the characteristic similar to that of the rectangular metal waveguide; compared with the micro-band circuit, the Q value is higher, the loss is low, and the radiation interference is small.
Description
Technical field
The utility model relates to a kind of microwave and millimeter wave single board radio frequency system, relates in particular to a kind of microwave single board radio device 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 utility model provides a kind of microwave single board radio device that is used to the design that solves the high-performance veneer integration problem of microwave and millimeter wave circuit and be suitable for microwave and millimeter wave circuit and integrated circuit, has the little advantage of veneer integrated system loss.
The utility model adopts following technical scheme:
A kind of microwave single board radio device 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 utility model has been 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 utlity model 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 utility model.
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 microwave single board radio device 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 utility model has been 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; It below is 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 utility model 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 microwave single board radio device 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, microwave single board radio device according to claim 1 is characterized in that the isolating metal frame is pressed on dielectric substrate (I) and the substrate integration wave-guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200696112U CN200956576Y (en) | 2006-02-27 | 2006-02-27 | Micro wave single-board radio frequency device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200696112U CN200956576Y (en) | 2006-02-27 | 2006-02-27 | Micro wave single-board radio frequency device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200956576Y true CN200956576Y (en) | 2007-10-03 |
Family
ID=38775158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200696112U Expired - Lifetime CN200956576Y (en) | 2006-02-27 | 2006-02-27 | Micro wave single-board radio frequency device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200956576Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262258B (en) * | 2008-04-10 | 2012-09-26 | 上海杰盛无线通讯设备有限公司 | Demodulation device for microwave signal transmitter |
| CN103531878A (en) * | 2013-10-14 | 2014-01-22 | 东南大学 | Push-push and push-pull dual-output substrate integrated waveguide oscillator |
| CN104901714A (en) * | 2015-06-17 | 2015-09-09 | 成都前锋电子仪器有限责任公司 | Radio frequency local oscillator module structure |
| CN108226914A (en) * | 2018-01-26 | 2018-06-29 | 重庆邮电大学 | A kind of millimetre-wave attenuator and radar integrated radio-frequency Front-end Design method |
| CN109061623A (en) * | 2018-06-25 | 2018-12-21 | 南京信息工程大学 | A kind of Planar integration type micro-wave height finding radar and measurement method applied to unmanned plane |
| CN110649388A (en) * | 2019-10-10 | 2020-01-03 | 东南大学 | Low loss feed network and high efficiency antenna device |
| CN112202506A (en) * | 2020-10-12 | 2021-01-08 | 东南大学 | Air substrate integrated waveguide millimeter wave transmitter test platform |
-
2006
- 2006-02-27 CN CNU2006200696112U patent/CN200956576Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262258B (en) * | 2008-04-10 | 2012-09-26 | 上海杰盛无线通讯设备有限公司 | Demodulation device for microwave signal transmitter |
| CN103531878A (en) * | 2013-10-14 | 2014-01-22 | 东南大学 | Push-push and push-pull dual-output substrate integrated waveguide oscillator |
| CN104901714A (en) * | 2015-06-17 | 2015-09-09 | 成都前锋电子仪器有限责任公司 | Radio frequency local oscillator module structure |
| CN104901714B (en) * | 2015-06-17 | 2018-02-06 | 成都前锋电子仪器有限责任公司 | A kind of RF local oscillator modular construction |
| CN108226914A (en) * | 2018-01-26 | 2018-06-29 | 重庆邮电大学 | A kind of millimetre-wave attenuator and radar integrated radio-frequency Front-end Design method |
| CN109061623A (en) * | 2018-06-25 | 2018-12-21 | 南京信息工程大学 | A kind of Planar integration type micro-wave height finding radar and measurement method applied to unmanned plane |
| CN110649388A (en) * | 2019-10-10 | 2020-01-03 | 东南大学 | Low loss feed network and high efficiency antenna device |
| CN112202506A (en) * | 2020-10-12 | 2021-01-08 | 东南大学 | Air substrate integrated waveguide millimeter wave transmitter test platform |
| CN112202506B (en) * | 2020-10-12 | 2022-11-22 | 东南大学 | Air substrate integrated waveguide millimeter wave transmitter test platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200956576Y (en) | Micro wave single-board radio frequency device | |
| Visweswaran et al. | 9.4 A 145GHz FMCW-radar transceiver in 28nm CMOS | |
| CN111025235B (en) | Microwave TR assembly with ultra-wide working bandwidth | |
| FI114259B (en) | Structure of a radio frequency front end | |
| US8467827B2 (en) | Techniques for partitioning radios in wireless communication systems | |
| US7912499B2 (en) | Techniques for partitioning radios in wireless communication systems | |
| CN100561796C (en) | The X-band substrate integrated waveguide single board radio frequency system | |
| WO2006105185A2 (en) | Techniques for partitioning radios in wireless communication systems | |
| CN1331310C (en) | High power millimeter wave upper frequency converter power amplification assembly based on three branch combining network | |
| CN114200408A (en) | Meter-wave dual-frequency dual-polarization radar transmitting-receiving front end | |
| CN210294515U (en) | Ku wave band four-channel microwave T/R assembly | |
| CN205178991U (en) | 6 -18GHz down coversion subassembly | |
| US6996384B2 (en) | Receiver and radio communication terminal using the same | |
| US6700462B2 (en) | Microstrip line filter combining a low pass filter with a half wave bandpass filter | |
| US6917256B2 (en) | Low loss waveguide launch | |
| KR100973797B1 (en) | Integrated active antenna | |
| US20030076195A1 (en) | Composite filter, antenna duplexer, and communication apparatus | |
| US20060116088A1 (en) | Circuit arrangement for a mobile telephone | |
| US20180375543A1 (en) | Gaas/sige-bicmos-based transceiver system-in-package for e-band frequency applications | |
| CN216209922U (en) | Big dipper integration radio frequency front end | |
| US6072824A (en) | Circuit arrangement for reducing intermodulation in a bandpass filter system | |
| KR100682478B1 (en) | Harmonic-rejection microstrip patch antenna using side-feed and frequency doubler using microstrip patch antenna | |
| CN112630765A (en) | Instantaneous broadband four-channel microwave TR (transmitter-receiver) assembly | |
| JP2001053544A (en) | Amplifier module of antenna integrating type | |
| JP3970735B2 (en) | Composite filter, antenna duplexer, and communication device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071003 |
|
| EXPY | Termination of patent right or utility model |