CN201758388U - LOC/GS/VOR/MB four-beacon shared outfield tester receiver - Google Patents
LOC/GS/VOR/MB four-beacon shared outfield tester receiver Download PDFInfo
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- CN201758388U CN201758388U CN2010205037067U CN201020503706U CN201758388U CN 201758388 U CN201758388 U CN 201758388U CN 2010205037067 U CN2010205037067 U CN 2010205037067U CN 201020503706 U CN201020503706 U CN 201020503706U CN 201758388 U CN201758388 U CN 201758388U
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Abstract
The utility model relates to a communication navigation technology, in particular to a LOC/GS/VOR/MB four-beacon shared outfield tester receiver, comprising a multi-frequency radio frequency channel, a frequency synthesizer, a frequency mixer N7, a band-pass filer Z4, an intermediate frequency amplifying circuit, a band-pass filter Z5, a frequency mixer N8, an audio processing unit and a crystal oscillator G1. The multi-frequency radio frequency channel is connected with the intermediate frequency amplifying circuit via the frequency mixer N7 and the band-pass filter Z4 and with the frequency synthesizer via the frequency mixer N7. The intermediate frequency amplifying circuit is connected with the audio processing unit via the band-pass filter Z5 and the frequency mixer N8. The crystal oscillator G1 is respectively connected with the frequency synthesizer and the frequency mixer N8. The receiver can be applied to four equipments of LOC/GS/VOR/MB to test radiation signals of the outfield with high testing precision and strong stability, guaranteeing the station construction and the maintenance of the four equipments. Meanwhile, the receiver is used and shared by four equipments, significantly saving the design cost.
Description
Technical field
The utility model relates to the communication and navigation technology, is a kind of Radio Beacon field testing instrument receiver, relates in particular to the shared field testing instrument receiver of four kinds of Radio Beacon of a kind of LOC/GS/VOR/MB.
Background technology
Receiver is the core cell of Radio Beacon field testing instrument, existing field testing instrument receiver can only be used for the localizer machine (LOC) of receiving instrument landing system (ILS) and the radiofrequency signal that glide path beacon machine (GS) is launched, and receiving sensitivity and stability are not high.And VHF Omnidirection range machine (VOR) and marker beacon machine (MB) equipment set up at the scene and all need to measure the outfield earth signal when safeguarding, but also do not have the field testing instrument of these two kinds of Radio Beacon special uses at present, so very not convenient.
Summary of the invention
In view of above-mentioned prior art situation, the purpose of this utility model is: design the shared field testing instrument receiver of four kinds of Radio Beacon of a kind of LOC/GS/VOR/MB, this receiver can be applicable in four kinds of equipment of LOC/GS/VOR/MB, owing to adopt modularized design, stable performance, the scene of being convenient to are set up and are safeguarded.
The technical scheme that the utility model is taked for achieving the above object is: the shared field testing instrument receiver of four kinds of Radio Beacon of a kind of LOC/GS/VOR/MB, it is characterized in that: it comprises multi-frequency band radio-frequency passage, frequency synthesizer, frequency mixer N7, band pass filter Z4, intermediate frequency amplifier circuit, band pass filter Z5, frequency mixer N8, audio treatment unit, crystal oscillator G1, and wherein: the multi-frequency band radio-frequency passage is connected with intermediate frequency amplifier circuit with band pass filter Z4 by frequency mixer N7; The multi-frequency band radio-frequency passage is connected with frequency synthesizer by frequency mixer N7; Intermediate frequency amplifier circuit is connected with audio treatment unit with frequency mixer N8 by band pass filter Z5; Crystal oscillator G1 is connected with frequency mixer N8 with frequency synthesizer respectively.
The beneficial effect that the utility model produced is: this receiver can be applied in four kinds of equipment of LOC/GS/VOR/MB, is used to measure outfield eradiation signal, the certainty of measurement height, stability is strong, for four kinds of equipment build platform and maintenance provides guarantee.Simultaneously, a machine four-function has greatly been saved design cost.
Description of drawings
Fig. 1 is the utility model circuit catenation principle block diagram.
Embodiment
As shown in Figure 1, the shared field testing instrument receiver of four kinds of Radio Beacon of LOC/GS/VOR/MB mainly comprises multi-frequency band radio-frequency passage, frequency synthesizer, frequency mixer N7, band pass filter Z4, intermediate frequency amplifier circuit, band pass filter Z5, frequency mixer N8, audio treatment unit, crystal oscillator G1, and wherein: the multi-frequency band radio-frequency passage is connected with intermediate frequency amplifier circuit with band pass filter Z4 by frequency mixer N7; The multi-frequency band radio-frequency passage is connected with frequency synthesizer by frequency mixer N7; Intermediate frequency amplifier circuit is connected with audio treatment unit with frequency mixer N8 by band pass filter Z5; Crystal oscillator G1 is connected with frequency mixer N8 with frequency synthesizer respectively.
The shared field testing instrument receiver of four kinds of Radio Beacon of LOC/GS/VOR/MB is the superheterodyne reception form, except that above-mentioned critical piece, also comprise baseband signal output port, frequency measurement signal output port, level measurement signal output port and input port (comprising :+12V ,-12V power supply, GND, CLK, DATA, ENB signal, radio frequency input).
The multi-frequency band radio-frequency passage comprises radio-frequency (RF) switch K1, radio-frequency (RF) switch K2, band pass filter Z1, band pass filter Z2, band pass filter Z3, wherein: radio-frequency (RF) switch K1 exports three the tunnel and is connected with the input of band pass filter Z1, band pass filter Z2, band pass filter Z3 respectively, the output of band pass filter Z1, band pass filter Z2, band pass filter Z3 connects radio-frequency (RF) switch K2 respectively, and radio-frequency (RF) switch K2 exports one the tunnel and is connected with frequency mixer N7.
Radiofrequency signal TNC rf inputs mouth is connected to radio-frequency (RF) switch K1, radio-frequency (RF) switch K1 exports three the tunnel, difference connecting band bandpass filter Z1, band pass filter Z2, band pass filter Z3, enter radio-frequency (RF) switch K2 respectively by three the tunnel again, radio-frequency (RF) switch K2 exports one the tunnel, realizes that four select one radio-frequency channel selection function.
Frequency synthesizer comprises integrated frequency synthesizer of phase locking N1, low pass filter N2, voltage controlled oscillator N3, prescalar N4, radio-frequency (RF) switch K9, amplifier U1, amplifier U2, radio-frequency (RF) switch K10, frequency multiplier N6 and frequency divider N5, wherein: the output of integrated frequency synthesizer of phase locking N1 is connected with low pass filter N2 input, the output of low pass filter N2 is connected with voltage controlled oscillator N3 input, and the output of voltage controlled oscillator N3 is connected with prescalar N4; Another output connects radio-frequency (RF) switch K9; The input of integrated frequency synthesizer of phase locking N1, output are connected with prescalar N4 respectively and carry out two-way communication; The output of radio-frequency (RF) switch K9 is connected with radio-frequency (RF) switch K10, and another output is connected with amplifier U1; Amplifier U1 is connected with frequency multiplier N6, and the output of frequency multiplier N6 is connected with radio-frequency (RF) switch K10; Radio-frequency (RF) switch K10 is connected with amplifier U2; Amplifier U2 is connected with frequency mixer N7; Frequency divider N5 is connected with crystal oscillator G1 with integrated frequency synthesizer of phase locking N1 respectively.
Frequency synthesizer is first local oscillation signal in the receiver design, and for integrated phase lock designs, phase-locked loop is by integrated frequency synthesizer of phase locking N1, and low pass filter N2, voltage controlled oscillator N3 and prescalar N4 form.Input signal CLK, the DATA of integrated phase lock, ENB are entered by socket (J18B32T), output signal is connected with low pass filter N2, the output of low pass filter N2 is connected with voltage controlled oscillator N3, the road output of voltage controlled oscillator N3 connects prescalar N4, prescalar N4 and integrated frequency synthesizer of phase locking N1 two-way communication.The defeated radio-frequency (RF) switch K9 that connects of another road output of voltage controlled oscillator N3, the road output of radio-frequency (RF) switch K9 is directly connected to radio-frequency (RF) switch K10, is LOC/VOR/MB local frequency signal; And GS local oscillation signal frequency approximately is 2 times of LOC/VOR/MB local oscillation signal frequency, so be linked in sequence amplifier U1, frequency multiplier N6 are exported in another road of radio-frequency (RF) switch K9, realizes the synthetic of GS local oscillation signal.LOC/VOR/MB local oscillation signal and GS local oscillation signal are connected to radio-frequency (RF) switch K10 simultaneously, and alternative is selected output.The output of radio-frequency (RF) switch K10 connects amplifier U2, and signal enters frequency mixer N7 through after amplifying, and carries out mixing with the radiofrequency signal that front end is come in.
Intermediate frequency amplifier circuit comprises radio-frequency (RF) switch K3, amplifier U3, radio-frequency (RF) switch K4, radio-frequency (RF) switch K5, amplifier U4, radio-frequency (RF) switch K6, radio-frequency (RF) switch K7, amplifier U5, radio-frequency (RF) switch K8 and controllable gain amplifier U6, wherein: radio-frequency (RF) switch K3 is connected with band pass filter Z4, the output of radio-frequency (RF) switch K3 is connected with radio-frequency (RF) switch K4 by amplifier U3, and another output of radio-frequency (RF) switch K3 directly is connected with radio-frequency (RF) switch K4 simultaneously; Radio-frequency (RF) switch K4 is connected with radio-frequency (RF) switch K5; The output of radio-frequency (RF) switch K5 is connected with radio-frequency (RF) switch K6 by amplifier U4; Another output of radio-frequency (RF) switch K5 directly is connected with radio-frequency (RF) switch K6 simultaneously; Radio-frequency (RF) switch K6 is connected with radio-frequency (RF) switch K7; The output of radio-frequency (RF) switch K7 is connected with radio-frequency (RF) switch K8 by amplifier U5; Another output of radio-frequency (RF) switch K7 directly is connected with radio-frequency (RF) switch K8 simultaneously; Radio-frequency (RF) switch K8 is connected with controllable gain amplifier U6; Controllable gain amplifier U6 is connected with band pass filter Z5 with audio treatment unit respectively.
Intermediate frequency amplifier circuit comprises three grades of fixed gain amplifiers and one-level controllable gain amplifier.Signal after the frequency mixer N7 mixing links to each other with band pass filter Z4, enters the first order radio-frequency (RF) switch K3 of intermediate frequency amplifier circuit.Each grade fixed gain amplifier circuit is made up of 2 radio-frequency (RF) switch and 1 amplifier.Whether radiofrequency signal, is selected to amplify through amplifier U3 according to the radiofrequency signal power by after the radio-frequency (RF) switch K3, directly connects another group radio-frequency (RF) switch K4 then, realizes same passage output.After three grades of such intermediate frequency amplifier circuit cascades, enter controllable gain amplifier U6.Controllable gain amplifier U6 is subjected to the AGC voltage control, can change the size of gain.
Audio treatment unit comprises RMS wave detector N9, filter N11, comparator N10, integrator N12, and wherein: RMS wave detector N9 and comparator N10 are connected the output of frequency mixer N8 simultaneously; The output of RMS wave detector N9 connects the input of filter N11, and the output of filter N11 is connected with integrator N12, and the output of integrator N12 is connected with controllable gain amplifier U6.
Through after the band pass filter Z5, carry out the mixing second time at frequency mixer N8 place through the intermediate frequency amplifier circuit amplifying signal, form second intermediate-freuqncy signal, enter audio treatment unit with crystal oscillator G1.RMS wave detector N9 and comparator N10 are connected the output of frequency mixer N8 simultaneously, and signal produces the frequency measurement signal after through comparator N10, and (J18B32T) exports by socket.The output of RMS wave detector N9 connects the input of filter N11, and the output of filter N11 produces the output signal baseband signal, exports by socket (J18B32T).The output of filter N11 also further is input to integrator N12, integrator N12 is output as the level measurement signal, it also is the AGC voltage signal, this signal is by socket (J18B32T) when exporting, also turn back to the control end of controllable gain amplifier U6, controllable gain amplifier U6 is carried out gain controlling.
The radiofrequency signal of four kinds of equipment of LOC/GS/VOR/MB is linked receiver by a TNC radio frequency plug input port, select module to realize that four select one function by analog channel afterwards, the road radiofrequency signal that is selected into enters frequency mixer, carry out mixing by local oscillation signal with the synthetic corresponding band of frequency synthesizer, produce first intermediate-freuqncy signal, further filtering by band pass filter enters intermediate frequency amplifier circuit, realizes that intermediate frequency amplifies.First intermediate-freuqncy signal after the amplification is passed through band-pass filter, carry out the mixing second time with crystal oscillator, form second intermediate-freuqncy signal after the mixing, second intermediate-freuqncy signal after further filtering, produces baseband signal by the RMS detection, baseband signal produces the level measurement signal by integrator again, also be the AGC voltage signal, this signal also returns intermediate frequency amplifier circuit as the control signal of receiver controllable gain amplifier simultaneously also as one of output signal.Second intermediate-freuqncy signal has the comparator of leading up to generate the frequency measurement signal again when producing baseband signal.Baseband signal, frequency measurement signal, level measurement signal are the three-way output signal of receiver.Input signal is+12V ,-12V power supply, the needed CLK of frequency synthesizer, DATA, ENB signal.Input/output signal is connected with data processing unit by the J18B32T socket.
The design can realize the receiving function of the different frequency range radiofrequency signal that four kinds of equipment of LOC/GS/V0R/MB are launched, receiving sensitivity can reach-85dBm (former receiver is up to-80dBm); The LOC Radio Beacon is ± 1% with the modulation degree and the stability of receiver, and modulation degree difference stability is ± 0.07% (modulation degree of former receiver and stability are ± 2%, and modulation degree difference stability is ± 0.1%); The GS Radio Beacon is ± 2% with the modulation degree and the stability of receiver, and modulation degree difference stability is ± 0.15% (former receiver modulation degree and stability are ± 4%, and modulation degree difference stability is ± 0.2%), thereby has improved receiving sensitivity and stability.
Above-mentioned device is the universal product on the market, can realize the utility model in conjunction with above-mentioned explanation.
Claims (5)
1. the shared field testing instrument receiver of four kinds of Radio Beacon of a LOC/GS/VOR/MB, it is characterized in that: it comprises multi-frequency band radio-frequency passage, frequency synthesizer, frequency mixer N7, band pass filter Z4, intermediate frequency amplifier circuit, band pass filter Z5, frequency mixer N8, audio treatment unit, crystal oscillator G1, and wherein: the multi-frequency band radio-frequency passage is connected with intermediate frequency amplifier circuit with band pass filter Z4 by frequency mixer N7; The multi-frequency band radio-frequency passage is connected with frequency synthesizer by frequency mixer N7; Intermediate frequency amplifier circuit is connected with audio treatment unit with frequency mixer N8 by band pass filter Z5; Crystal oscillator G1 is connected with frequency mixer N8 with frequency synthesizer respectively.
2. the shared field testing instrument receiver of four kinds of Radio Beacon of LOC/GS/VOR/MB according to claim 1, it is characterized in that: described multi-frequency band radio-frequency passage comprises radio-frequency (RF) switch K1, radio-frequency (RF) switch K2, band pass filter Z1, band pass filter Z2, band pass filter Z3, wherein: radio-frequency (RF) switch K1 export three the tunnel respectively with band pass filter Z1, band pass filter Z2, the input of band pass filter Z3 connects, band pass filter Z1, band pass filter Z2, the output of band pass filter Z3 connects radio-frequency (RF) switch K2 respectively, and radio-frequency (RF) switch K2 exports one the tunnel and is connected with frequency mixer N7.
3. the shared field testing instrument receiver of four kinds of Radio Beacon of LOC/GS/VOR/MB according to claim 2, it is characterized in that: described frequency synthesizer comprises integrated frequency synthesizer of phase locking N1, low pass filter N2, voltage controlled oscillator N3, prescalar N4, radio-frequency (RF) switch K9, amplifier U1, amplifier U2, radio-frequency (RF) switch K10, frequency multiplier N6 and frequency divider N5, wherein: the output of integrated frequency synthesizer of phase locking N1 is connected with low pass filter N2 input, the output of low pass filter N2 is connected with voltage controlled oscillator N3 input, the output of voltage controlled oscillator N3 is connected with prescalar N4, and another output connects radio-frequency (RF) switch K9 simultaneously; The input of integrated frequency synthesizer of phase locking N1, output are connected with prescalar N4 respectively and carry out two-way communication; The output of radio-frequency (RF) switch K9 is connected with radio-frequency (RF) switch K10, and another output is connected with amplifier U1; Amplifier U1 is connected with frequency multiplier N6, and the output of frequency multiplier N6 is connected with radio-frequency (RF) switch K10; Radio-frequency (RF) switch K10 is connected with amplifier U2; Amplifier U2 is connected with frequency mixer N7; Frequency divider N5 is connected with crystal oscillator G1 with integrated frequency synthesizer of phase locking N1 respectively.
4. the shared field testing instrument receiver of four kinds of Radio Beacon of LOC/GS/VOR/MB according to claim 3, it is characterized in that: described intermediate frequency amplifier circuit comprises radio-frequency (RF) switch K3, amplifier U3, radio-frequency (RF) switch K4, radio-frequency (RF) switch K5, amplifier U4, radio-frequency (RF) switch K6, radio-frequency (RF) switch K7, amplifier U5, radio-frequency (RF) switch K8 and controllable gain amplifier U6, wherein: radio-frequency (RF) switch K3 is connected with band pass filter Z4, the output of radio-frequency (RF) switch K3 is connected with radio-frequency (RF) switch K4 by amplifier U3, and another output of radio-frequency (RF) switch K3 directly is connected with radio-frequency (RF) switch K4 simultaneously; Radio-frequency (RF) switch K4 is connected with radio-frequency (RF) switch K5; The output of radio-frequency (RF) switch K5 is connected with radio-frequency (RF) switch K6 by amplifier U4; Another output of radio-frequency (RF) switch K5 directly is connected with radio-frequency (RF) switch K6 simultaneously; Radio-frequency (RF) switch K6 is connected with radio-frequency (RF) switch K7; The output of radio-frequency (RF) switch K7 is connected with radio-frequency (RF) switch K8 by amplifier U5; Another output of radio-frequency (RF) switch K7 directly is connected with radio-frequency (RF) switch K8 simultaneously; Radio-frequency (RF) switch K8 is connected with controllable gain amplifier U6; Controllable gain amplifier U6 is connected with band pass filter Z5 with audio treatment unit respectively.
5. the shared field testing instrument receiver of four kinds of Radio Beacon of LOC/GS/VOR/MB according to claim 4, it is characterized in that: described audio treatment unit comprises RMS wave detector N9, filter N11, comparator N10, integrator N12, and wherein: RMS wave detector N9 and comparator N10 are connected the output of frequency mixer N8 simultaneously; The output of RMS wave detector N9 connects the input of filter N11, and the output of filter N11 is connected with integrator N12, and the output of integrator N12 is connected with controllable gain amplifier U6.
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CN2010205037067U CN201758388U (en) | 2010-08-25 | 2010-08-25 | LOC/GS/VOR/MB four-beacon shared outfield tester receiver |
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CN2010205037067U CN201758388U (en) | 2010-08-25 | 2010-08-25 | LOC/GS/VOR/MB four-beacon shared outfield tester receiver |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103645458A (en) * | 2013-12-16 | 2014-03-19 | 天津七六四通信导航技术有限公司 | Course far field monitoring equipment for instrument landing system |
CN104270098A (en) * | 2014-10-17 | 2015-01-07 | 成都九华圆通科技发展有限公司 | Microwave broadband down converter |
CN104283625A (en) * | 2012-01-13 | 2015-01-14 | 上海创远仪器技术股份有限公司 | Superheterodyne harmonic detector based on harmonic mixing |
CN105628029A (en) * | 2016-01-29 | 2016-06-01 | 成都民航空管科技发展有限公司 | Method and system for acquiring minimum protecting distance between co-channel localizer stations |
CN107310735A (en) * | 2017-01-19 | 2017-11-03 | 中国人民解放军海军航空工程学院青岛校区 | A kind of multi-mode enters nearly Landing Guidance System |
CN109212285A (en) * | 2018-11-29 | 2019-01-15 | 中电科西北集团有限公司 | Outfield simulator |
CN109217884A (en) * | 2018-10-17 | 2019-01-15 | 中国电子科技集团公司第四十研究所 | A kind of transmission channel device for supporting standard traffic standard signal |
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2010
- 2010-08-25 CN CN2010205037067U patent/CN201758388U/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104283625A (en) * | 2012-01-13 | 2015-01-14 | 上海创远仪器技术股份有限公司 | Superheterodyne harmonic detector based on harmonic mixing |
CN103645458A (en) * | 2013-12-16 | 2014-03-19 | 天津七六四通信导航技术有限公司 | Course far field monitoring equipment for instrument landing system |
CN104270098A (en) * | 2014-10-17 | 2015-01-07 | 成都九华圆通科技发展有限公司 | Microwave broadband down converter |
CN105628029A (en) * | 2016-01-29 | 2016-06-01 | 成都民航空管科技发展有限公司 | Method and system for acquiring minimum protecting distance between co-channel localizer stations |
CN107310735A (en) * | 2017-01-19 | 2017-11-03 | 中国人民解放军海军航空工程学院青岛校区 | A kind of multi-mode enters nearly Landing Guidance System |
CN109217884A (en) * | 2018-10-17 | 2019-01-15 | 中国电子科技集团公司第四十研究所 | A kind of transmission channel device for supporting standard traffic standard signal |
CN109212285A (en) * | 2018-11-29 | 2019-01-15 | 中电科西北集团有限公司 | Outfield simulator |
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