CN2720730Y - Integrated radio-frequency receiving-transmitting device - Google Patents
Integrated radio-frequency receiving-transmitting device Download PDFInfo
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- CN2720730Y CN2720730Y CN2004200789813U CN200420078981U CN2720730Y CN 2720730 Y CN2720730 Y CN 2720730Y CN 2004200789813 U CN2004200789813 U CN 2004200789813U CN 200420078981 U CN200420078981 U CN 200420078981U CN 2720730 Y CN2720730 Y CN 2720730Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
An integrated radio-frequency receiving-transmitting device is a radio-frequency receiving-transmitting device in the satellite navigation positioned communication system, belonging to the class of microwave communication. The utility model comprises a receiving system, a transmitting system, and a reference crystal circuit. The reference datum frequency signal produced by the reference crystal circuit is sent respectively to a receiving system original vibration source and a transmitting system original vibration source and is checked. The receiving system receives the signal conveyed by the antennas and transmits to a baseband through a low-noise amplifying circuit, a two-stage down converter and a middle discharging circuit. The transmitting system receives the baseband signals, and modulates the signals into intermediate frequency with the original vibration source reference frequency, and then sends the signals to the antenna after energy amplification. The utility model has the advantages of small volume, low power consumption, low cost, and high reliability. The integrated radio-frequency receiving-transmitting device is mainly applied to big-dipper subsets.
Description
Technical field
The utility model discussion be radio frequency in a kind of satellite navigation location of communication system receive and emitter, particularly hand-hold type ground communication facilities in reception and emitter, belong to the microwave communication class.
Background technology
Along with the fast development of aerospace industry, the GPS global positioning system is widely used, and with the supporting various Ground Application equipment of communication satellite be subscriber computer also from research and development to batch process.Say that generally subscriber computer is made up of four main functional modules: radio-frequency module, baseband module, power module and antenna.Wherein, radio-frequency module is realized the transmission-receiving function of microwave signal, is the important module of subscriber computer.At present, the subscriber computer price is expensive, volume is big, some performance can't reach user's requirement, so fail to apply on a large scale.If subscriber computer is applied, whole device must accomplish that volume is little, in light weight, power consumption is few, cost is low, and will realize standardization, systematization and modularization.The present domestic manufacturer that still do not have.
Summary of the invention
The technical problems to be solved in the utility model is the ic circuit with miniaturization, realize with communication satellite supporting have the radio-frequency receiving-transmitting function, isolate, power output is big, low-cost, integrated radio frequency reception and emitter that power consumption is little.
The utility model comprises receiving system, emission system, with reference to crystal oscillating circuit.Reference data frequency signal with reference to crystal oscillating circuit produces send the receiving system local vibration source respectively, and emission system local vibration source and detection are used; The signal that the receiving system reception antenna is carried is transferred to base band behind low noise amplifier circuit, two-stage down-conversion and intermediate level circuit; The emission system receiving baseband signal also is modulated into intermediate frequency with the local vibration source reference frequency, after power amplification, is transferred to antenna.
Receiving system comprises low noise amplifier circuit, down-conversion and intermediate level circuit, receiving system local vibration source; Low noise amplifier circuit comprises antiblocking filtering and low noise amplifier; Down-conversion and intermediate level circuit comprise among radio frequency band filter, first order low-converter, two-stage intermediate frequency amplifier, if bandpas filter, second level low-converter and the automatic gain control master to be put: the receiving system local vibration source is made up of frequency synthesizer, single-chip microcomputer; Frequency synthesizer receives the reference frequency of being sent here by the reference crystal oscillating circuit, is subjected to the signal of two Frequency points of single-chip microcomputer instruction output, exports to first order low-converter and second level low-converter respectively.The aerial signal that the antiblocking filter receives, amplify through the two-stage low noise amplifier, interference signal is suppressed, and will import minimum radiofrequency signal and amplify, the signal-to-noise ratio degradation degree minimum that keeps whole receive path, low noise amplifier output connects the two-stage radio-frequency band-pass filter, once more interference signal and noise are suppressed, radio frequency band filter is exported to first order low-converter, first order low-converter also receives the reference frequency signal of local vibration source simultaneously, after the mixing, output connects the secondary intermediate frequency amplifier, second level intermediate frequency amplifier output connects Surface Acoustic Wave Filter, the filtering out of band signal, output connects among second level down-conversion and the automatic gain control master and puts then, releases another reference frequency signal that receives the receiving system local vibration source during second level down-conversion and automatic gain control are main, carries out mixing, signal after the amplification is transferred to base band.
Emission system comprises emission system local vibration source, BPSK modulation and up-converter circuit, power amplifier; Intermediate frequency data signal that is come by baseband transmission and the reference frequency signal that is provided by the emission system local vibration source are provided for BPSK modulation and up-converter circuit, become radio-frequency (RF) data signal it being carried out BPSK modulation, output connects two-stage bandpass filter, band pass filter output connects amplifier, carrying out signal amplifies, signal after the amplification connects the two-stage power amplifier, radiofrequency signal is amplified to the 10W power level exports to antenna.
The utility model is that foregoing circuit is carried out integrated design, and production is and the supporting module of Big Dipper subscriber computer that its main performance index is: transmit signal power P＞10W; Efficient N:＞30%; Output signal frequency: 12.24MHz/4.08MHz/ zero intermediate frequency; The output signal band suppresses outward: 〉=20dB@12.24 ± 6MHz, 〉=20dB@12.24+6MHz; The outer humorous clutter power of band :≤-70dBW/4KHz (beyond the 1580-1650MHz) ,≤-120dBW/4KHz (in the frequency acceptance band); Size≤60 * 40 * 15; Weight :≤100g; Power consumption :≤1W.It is little, low in energy consumption to the utlity model has volume, and cost is low, highly reliable advantage.Be mainly used in Big Dipper subscriber computer, but utilize this device, an external monolithic power amplifier or low putting equally also can provide Big Dipper vehicular subscriber computer to use, and can also provide air force pilot's safeguard station to use.
Description of drawings
Fig. 1 is the utility model theory diagram.
1, low noise amplifier circuit; 2, down-conversion and intermediate level circuit; 3, with reference to crystal oscillating circuit; 4, receiving system local vibration source; 5, emission system local vibration source; 6, power amplifier; 7, BPSK modulation and up-converter circuit.
Fig. 2 is the utility model radio-frequency receiving system line map.
8, antiblocking filter; 9, one-level low noise amplifier; 10, secondary low noise amplifier; 11, first order band pass filter; 12, the logical filter of second level band filter; 13, first order low-converter; 14, first order intermediate frequency amplifier; 15, second level intermediate frequency amplifier; 16, Surface Acoustic Wave Filter; 17, second level down-conversion and auto-gain circuit; 18, intermediate frequency amplifies; 19, single-chip microcomputer; 20, receive the system frequency synthesizer; 21, temperature compensating crystal oscillator device 22, power splitter.
Fig. 3 is the utility model radio-frequency (RF) emission system line map.
23, emission system frequency synthesizer; 24, amplifier; 25, BPSK modulation and up-converter circuit; 26, first order radio frequency band filter; 26, second level band-pass filter; 27, amplifier; 28, band pass filter; 29, first order power amplifier; 30, second level power amplifier; 31, single-chip microcomputer; 32, power splitter.
Embodiment
The selection of the utility model integrated package is supporting with Big Dipper subscriber computer: antiblocking filter: 3DF4-2492; Cavity medium band pass filter: DFC2490R10, DFC 2492D; Low noise amplifier: WHM25-1525AE, MGA86563; First order low-converter: MAX2681; Intermediate frequency amplifier: MAX2632; Sound table bandpass filter: F133; Put AD607 during second level low-converter and automatic gain control are main; Temperature compensating crystal oscillator: XO3080; Power splitter: AD3PS-1; Frequency synthesizer: Si4136, PE3293; Single-chip microcomputer: PIC12C508; BPSK modulator: MAX2720; Power amplifier: AM1830, FLL120MK; Medium bandpass filtering utensil 616F1,1616F2,1616F5
Concrete enforcement: (3) pin output of temperature compensating crystal oscillator TCXO (among Fig. 2 21) connects (6) pin, output (4) pin of AD3PS-1, (8) pin of power splitter AD3PS-1 (among Fig. 2 22), and (5) pin meets (15) pin, the base band of receiving system frequency synthesizer Si4136 (among Fig. 2 21), the frequency synthesizer SPLH1615 of emission system respectively.(8) pin of 68F (among Fig. 3 24).Receiving system: antiblocking filter 2492R (among Fig. 2 8) reception antenna signal, the output of (1) pin of 2492R connects first order low noise amplifier WHM25-1525AE (among Fig. 2 9) (1) pin, the output of WHM25-1525AE (5) pin connects (1) pin of second level low noise amplifier MGA86563 (among Fig. 2 10), (2) pin of (4) pin of MGA86563 and WHM25-1525AE connects (2) pin of first order band pass filter DFC2490R10, (1) of first order band pass filter connects (1) pin of second level band pass filter DFC 2492D, second level band pass filter (2) pin connects (3) pin of first order mixer amplifier MAX2681, (10) pin of receiving system local vibration source Si4136, connect (1) pin of first order mixer amplifier MAX2681,2491.75MHz signal and integrated frequency combine output the 358.24MHz signal carry out mixing, output 133.51MHz signal.The output of MAX2681 (4) pin connects (5) pin of first order intermediate frequency amplifier MAX2632, output (3) pin of first order intermediate frequency amplifier MAX2632, connect (5) pin of second level intermediate frequency amplifier MAX2632, output (3) pin of second level intermediate frequency amplifier MAX2632, connect (1) pin of Surface Acoustic Wave Filter F133, (4) pin of Surface Acoustic Wave Filter F133 connects second level low-converter AD607 (6) pin (among Fig. 2 17), (4) pin of low-converter AD607 also receives (23) pin signal of receiving system local vibration source Si4136,133.51MHz signal and integrated frequency are combined the 121.27MHz signal mixing of output, output 12.24MHz intermediate-freuqncy signal.Output (14) pin of second level low-converter AD607 connects (1) pin of intermediate frequency amplifier MAR-68M, and the signal after the amplification sends base band to; Emission system: BPSK modulator MAX2720 receives the radiofrequency signal of base band transmission and the ginseng filial piety frequency of emission system local vibration source PE3293 by filter, the intermediate-freuqncy signal that is modulated into, connect first by the output of (3) pin, secondary band pass filter 1616F, the output of second level band pass filter (3) pin connects (1) pin of amplifier AG202, (3) pin of amplifier connects medium band pass filter 1616P5 (1) pin, medium band pass filter (2) pin connects (3) pin of first order power amplifier AM1830, (8) pin of first order power amplifier AM1830 connects (1) pin of second level power amplifier FLL120MK, sends antenna to by second level power amplifier.
Temperature compensating crystal oscillator provides the frequency of 48.96MHz for whole receive-transmit system, power splitter will be divided into three tunnel outputs by the frequency of temperature compensating crystal oscillator output, the frequency of three road signals is 48.96MHz, and the local vibration source, a tunnel that this three road signal one tunnel enters receiving system enters the local vibration source, a tunnel of emission system for detecting use.The receiving system local vibration source is made up of frequency synthesizer (Si4136), single-chip microcomputer (PIC12C508).Single-chip microcomputer is used for the output frequency of control frequency synthesizer; Frequency synthesizer is through two frequencies of Single-chip Controlling output, and a frequency is that 2.358GHz offers first order down-conversion, and another frequency is that 121.27MHz is put through offering behind the low pass filter among second level down-conversion and the automatic gain control master.
The reference frequency signal that BPSK modulator and up-conversion MAX2720 will be provided by the intermediate frequency data signal and the emission system local vibration source of base band input carries out the modulated radiofrequency signal of up-conversion modulation back output.Radio frequency band filter is to the radiofrequency signal filtering of input, and to 10W, isolator is that guaranteeing has matched well with antenna for the output standing wave that makes radiofrequency signal is very little with the power amplification of radiofrequency signal for the outer clutter of filtering band, two-stage power amplifier.The emission system frequency synthesizer provides BPSK modulator and up-conversion local oscillation signal by the signal (48.96MHz) that PE3293 receives the self-reference crystal oscillating circuit.
Claims (3)
1, integrated radio frequency receives and emitter, it comprises receiving system, emission system, with reference to crystal oscillating circuit, it is characterized in that: the reference data frequency signal with reference to crystal oscillating circuit produces, send the receiving system local vibration source respectively, emission system local vibration source and testing circuit use; The signal that the receiving system reception antenna is carried is transferred to base band behind low noise amplifier circuit, two-stage down-conversion and intermediate level circuit; Emission system is modulated into intermediate frequency with baseband signal and local vibration source reference frequency signal, after power amplification, and transmit antenna.
2, integrated radio frequency according to claim 1 receives and emitter, and it is characterized in that: receiving system comprises low noise amplifier circuit, down-conversion and intermediate level circuit, receiving system local vibration source; Low noise amplifier circuit comprises antiblocking filter and low noise amplifier; Down-conversion and intermediate level circuit comprise among radio frequency band filter, first order low-converter, two-stage intermediate frequency amplifier, if bandpas filter, second level low-converter and the automatic gain control master to be put: the receiving system local vibration source is made up of frequency synthesizer, single-chip microcomputer; Frequency synthesizer receives the reference frequency of sending here with reference to crystal oscillating circuit, is subjected to the signal of two Frequency points of single-chip microcomputer instruction output, exports to first order low-converter and second level low-converter respectively; The aerial signal that the antiblocking filter receives, carrying out secondary through low noise amplifier amplifies, again after the filtering of secondary radio frequency band filter, export to first order low-converter and intermediate level circuit and carry out mixing, signal amplifies through the secondary intermediate frequency after the mixing, and output connects if bandpas filter, exports to behind the filtering sideband among second level down-conversion and the automatic gain control master to put the people, carry out mixing, the signal after the mixing amplifies and is transferred to base band.
3, integrated radio frequency according to claim 1 receives and emitter, and it is characterized in that: emission system comprises the emission system local vibration source, BPSK modulation and up-converter circuit, power amplifier; The reference frequency signal that intermediate frequency data signal that BPSK modulation and up-converter circuit reception baseband transmission are come and emission system local vibration source provide, after both mixing, send the two-stage radio-frequency band pass filter with signal, radio frequency band filter output connects amplifier, amplifier output connects filter again, filter output connects the two stage power amplifying circuit, power amplifier output transmit antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004200789813U CN2720730Y (en) | 2004-08-26 | 2004-08-26 | Integrated radio-frequency receiving-transmitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004200789813U CN2720730Y (en) | 2004-08-26 | 2004-08-26 | Integrated radio-frequency receiving-transmitting device |
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| Publication Number | Publication Date |
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| CN2720730Y true CN2720730Y (en) | 2005-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2004200789813U Expired - Lifetime CN2720730Y (en) | 2004-08-26 | 2004-08-26 | Integrated radio-frequency receiving-transmitting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079097B (en) * | 2007-06-14 | 2010-05-19 | 华南理工大学 | Small-sized modular type UHF radio frequency identification read-write equipment |
| CN105322978A (en) * | 2015-11-16 | 2016-02-10 | 中国电子科技集团公司第四十三研究所 | Miniaturized RF (Radio Frequency) transmitting-receiving front-end module and signal transmission method thereof |
| CN105929681A (en) * | 2016-06-30 | 2016-09-07 | 广州润芯信息技术有限公司 | SOS automatic time service smart watch based on first generation of Beidou satellite navigation system |
| CN106027136A (en) * | 2016-05-07 | 2016-10-12 | 上海大学 | Non-digital-signal-processing amplifying and forwarding repeater and relay method |
| CN106506032A (en) * | 2016-11-24 | 2017-03-15 | 江西洪都航空工业集团有限责任公司 | A kind of peace control remote measurement integration general module |
-
2004
- 2004-08-26 CN CN2004200789813U patent/CN2720730Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079097B (en) * | 2007-06-14 | 2010-05-19 | 华南理工大学 | Small-sized modular type UHF radio frequency identification read-write equipment |
| CN105322978A (en) * | 2015-11-16 | 2016-02-10 | 中国电子科技集团公司第四十三研究所 | Miniaturized RF (Radio Frequency) transmitting-receiving front-end module and signal transmission method thereof |
| CN106027136A (en) * | 2016-05-07 | 2016-10-12 | 上海大学 | Non-digital-signal-processing amplifying and forwarding repeater and relay method |
| CN105929681A (en) * | 2016-06-30 | 2016-09-07 | 广州润芯信息技术有限公司 | SOS automatic time service smart watch based on first generation of Beidou satellite navigation system |
| CN106506032A (en) * | 2016-11-24 | 2017-03-15 | 江西洪都航空工业集团有限责任公司 | A kind of peace control remote measurement integration general module |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140826 Granted publication date: 20050824 |