CN201887760U - UHF range miniaturized broadband multifunctional frequency-hopping transceiver - Google Patents
UHF range miniaturized broadband multifunctional frequency-hopping transceiver Download PDFInfo
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- CN201887760U CN201887760U CN2010206376167U CN201020637616U CN201887760U CN 201887760 U CN201887760 U CN 201887760U CN 2010206376167 U CN2010206376167 U CN 2010206376167U CN 201020637616 U CN201020637616 U CN 201020637616U CN 201887760 U CN201887760 U CN 201887760U
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Abstract
The utility model discloses a UHF range miniaturized broadband multifunctional frequency-hopping transceiver which relates to a transmission device in the field of digital microwave communication and consists of an I/Q modulator, a power control circuit, a frequency hopping transmitting synthesizer, a crystal oscillator, a frequency hopping receiving synthesizer, an image rejection mixer, an intermediate-frequency amplifier, an intermediate-frequency filter bank, a detection circuit, a power supply, and the like. In the utility model, circuits are completely integrated on one printed board, therefore the transceiver has the advantages of high level of integration, small volume, wide working frequency range, multiple available wave channels, comprehensive functions, easy model selection of devices, low difficulty in debugging, easy use, good universality, and the like, and is especially applicable to a UHF range digital microwave communication system.
Description
Technical field
The utility model relates to the multi-functional frequency hopping transceiver of uhf band minimized wide-band in a kind of communications field, is specially adapted in the digital microwave communication system used as HF communication equipment.
Background technology
At present, there is the communication dead band in the ionospheric influence of short wave communication, and VHF station telecommunication distance generally is no more than 30km, and satellite communication can't be used in a large number owing to its cost costliness.Both at home and abroad the communications field more and more is subjected to attracting attention of people based on the communication equipment of the low cost of WPPL, lightweight, function of use versatile and flexible.Therefore, development of miniaturized, lightness, low-cost lightweight equipment solve the transmission of short-distance and medium-distance wireless messages, are communication difficult problems that needs to be resolved hurrily for a long time.
In the existing transceiver, the circuit between each unit etc. all is independently, connects with cable each other, makes that like this volume of transceiver is big, complex structure, and reliability is low.Along with the raising day by day that communication system performance is required, to high-quality, high integrated, transceiver equipment demand modular, miniaturization is very urgent, this just need circuit integrates in each with forming, and satisfies miniaturization, integrated requirement, uses simple simultaneously.
Development UHF Wireless Telecom Equipment, key are to realize integrated, the lightness of transceiver, key technology such as multi-functional, anti-interference, solve short-and-medium interior sighting distance, stop and a beyond-the-horizon communication difficult problem.
The utility model content
Technical problem to be solved in the utility model is to avoid the weak point in the above-mentioned background technology, and provide technology such as a kind of employing broadband, frequency hopping, development is applicable to uhf band, have the frequency of deciding big capacity line-of-sight transmission ability and low speed frequency hopping line-of-sight transmission ability is an one, possess the miniaturization transceiver that is applicable to multiple speed rates.
The multi-functional frequency hopping transceiver of uhf band minimized wide-band is operated in uhf band, compares traditional microwave and scattering frequency range, and the radio wave diffraction ability is stronger, can satisfy the capacity of equipment of remote beyond-the-horizon communication with the small device cost.In addition, when uhf band is used to stride mountain obstacle detouring communication, obtain stronger mountain peak radio wave diffraction ability easily.Equipment adopts special anti-fading, anti-multipath measure, can guarantee reliable information transmission under over the horizon transmission variable-parameter channel.Compare the HF/VHF frequency range, uhf band has superior electric wave transmission conditions under the orographic condition of complexity.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
The multi-functional frequency hopping transceiver of uhf band minimized wide-band, comprise: the I/Q modulator, send out power control circuit, send out the frequency hopping synthesizer, crystal oscillator, first power splitter, receive the frequency hopping synthesizer, press down the mirror frequency mixer, intermediate frequency amplifier, second power splitter, first switch, second switch, first intermediate-frequency filter, second intermediate-frequency filter, the 3rd intermediate-frequency filter, the 3rd switch, the 4th switch, detecting circuit, power supply and monitoring, it is characterized in that: the input port 1 external base-band input signal of I/Q modulator, the output port 3 of I/Q modulator is connected with the port one of sending out power control circuit, sends out the output port 2 output radiofrequency signals of power control circuit; The output port 1 of crystal oscillator links to each other with the input port 2 of first power splitter; The output port 1 of first power splitter links to each other with the input port 2 of receiving the frequency hopping synthesizer, and the output port 3 of first power splitter links to each other with the input port 1 of sending out the frequency hopping synthesizer; The output port 2 of sending out the frequency hopping synthesizer links to each other with the input port 2 of I/Q modulator; The input port 1 external radiofrequency signal that presses down the mirror frequency mixer, the input port 2 that presses down the mirror frequency mixer links to each other with the output port 1 of receiving the frequency hopping synthesizer, and the output port 3 that presses down the mirror frequency mixer links to each other with the input port 2 of intermediate frequency amplifier; The output port 1 of intermediate frequency amplifier links to each other with the port 2 of second power splitter; The output port 1 of second power splitter links to each other with the input port 2 of detecting circuit, and the port 3 of second power splitter links to each other with the port 2 of first switch; The output port 1 of first switch links to each other with the input port 2 of first intermediate-frequency filter, and the output port 3 of first switch links to each other with the input port 2 of second switch; The output port 1 of second switch links to each other with the input port 2 of second intermediate-frequency filter, and the output port 3 of second switch links to each other with the input port 2 of the 3rd intermediate-frequency filter; The output port 1 of first intermediate-frequency filter links to each other with the input port 2 of the 4th switch; The output port 1 of second intermediate-frequency filter links to each other with the input port 2 of the 3rd switch; The output port 1 of the 3rd intermediate-frequency filter links to each other with the input port 3 of the 3rd switch; The output port 1 of the 3rd switch links to each other with the input port 3 of the 4th switch; The output port 1 output intermediate-freuqncy signal of the 4th switch; The input/output port 1 of detecting circuit links to each other with monitoring; Electric power output voltage V end links to each other with the corresponding Input voltage terminal of each parts respectively, and monitoring output control signal C end links to each other with each parts respective input signals C end respectively;
The I/Q modulator directly is modulated to the required rf frequency of transmission with the baseband signal of input, sends into and sends out a power control circuit, is controlled in the scope that needs and exports by sending out the amplitude of power control circuit with radiofrequency signal; Pressing down the mirror frequency mixer will carry out frequency conversion from the radiofrequency signal of LNA, and the output intermediate-freuqncy signal is carried out intermediate frequency then and amplified, the signal after the amplification, and through power splitter, the one tunnel sends into wave detector, and export through behind the intermediate frequency filtering on another road.
Receive the frequency hopping synthesizer and send out the clock that the shared crystal oscillator of frequency hopping synthesizer produces.
But described mirror frequency mixer both can be passive, also can be active.
Described I/Q modulator, send out power control circuit, send out the frequency hopping synthesizer, crystal oscillator, first power splitter, receive the frequency hopping synthesizer, press down mirror frequency mixer, intermediate frequency amplifier, second power splitter, first switch, second switch, first intermediate-frequency filter, second intermediate-frequency filter, the 3rd intermediate-frequency filter, the 3rd switch, the 4th switch, detecting circuit, power supply and monitoring and be integrated in the printed board.
Owing to adopted technique scheme, the obtained technological progress of the utility model is:
1, the utility model transceiver that all circuit are formed is integrated in the printed board, has realized integrated, modularization, the miniaturization of transceiver.
2, the utility model operating frequency is wide, and the radio frequency channel stepping is little, thereby more available radio frequency channel is provided.
3, the utility model compact conformation, volume is little, and the transceiver that all circuit are formed is integrated in the printed board.
4, the utility model adopts the frequency hopping design, and described transceiver possesses frequency hopping function when being supported in the work of 64kbps speed.
5, the utility model adopts to meet to disturb and changes design frequently, and described transceiver avoids existing the frequency of interference automatically in communication process, and with suitable transmitting power, reaches the purpose that keeps high-quality communication on clear channel.
6, connect transmission by microstrip line between each circuit block of the utility model, cancelled the application of stube cable, reduced loss and cost.
7, the utility model function ratio is more complete.The utlity model has good anti-interference, fast frequency-hopped, send out adjustable power, can detect functions such as accepting watt level.
8, the frequency of the utility model receipts intermediate frequency can be regulated, and printed board does not need to change, and only needs the removable parts device, and to adapt to different engineering demands, versatility is good.
Description of drawings
Fig. 1 is the utility model electricity theory diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further details:
Fig. 1 is the utility model electricity theory diagram.The multi-functional frequency hopping transceiver of uhf band minimized wide-band, comprise: I/Q modulator 1, send out power control circuit 2, send out frequency hopping synthesizer 3, crystal oscillator 4, first power splitter 5, receive frequency hopping synthesizer 6, press down mirror frequency mixer 7, intermediate frequency amplifier 8, second power splitter 9, first switch 10, second switch 11, first intermediate-frequency filter 12, second intermediate-frequency filter 13, the 3rd intermediate-frequency filter 14, the 3rd switch 15, the 4th switch 16, detecting circuit 17, power supply 18 and monitor 19, each parts connects by Fig. 1.
Crystal oscillator 4 provides reference for a frequency hopping synthesizer 3, receipts frequency hopping synthesizer 6; Send out spot-frequency local oscillation and frequency hopping local oscillator that frequency hopping synthesizer 3 provides up-conversion to need for I/Q modulator 1; 1 pair of baseband signal of I/Q modulator is carried out quadrature modulation, directly baseband signal is moved rf frequency; Send out power control circuit 2 and be used for controlling output level; Receive frequency synthesizer 6 for pressing down spot-frequency local oscillation and the frequency hopping local oscillator that mirror frequency mixer 7 provides down-conversion to need; Press down 7 pairs of radiofrequency signals of mirror frequency mixer and press down the mirror down-conversion, the output intermediate-freuqncy signal from LNA; 8 pairs of intermediate frequency amplifiers press down the intermediate-freuqncy signal of mirror frequency mixer 7 outputs and amplify; First switch 10 switches different intermediate-frequency filters for intermediate-freuqncy signal as required with second switch 11; First to the 3rd intermediate-frequency filter carries out filtering to intermediate-freuqncy signal, with adaptive system variable Rate and frequency hopping work; Detection 17 is used for detecting received signal intensity and reports monitoring 19.
Operation principle: the I/Q modulator directly is modulated to the required rf frequency of transmission with the baseband signal of input, sends into and sends out a power control circuit, is controlled in the scope that needs and exports by sending out the amplitude of power control circuit with radiofrequency signal; Pressing down the mirror frequency mixer will carry out frequency conversion from the radiofrequency signal of LNA, and the output intermediate-freuqncy signal is carried out intermediate frequency then and amplified, the signal after the amplification, and through power splitter, the one tunnel sends into wave detector, and export through behind the intermediate frequency filtering on another road.
Claims (4)
1.UHF the multi-functional frequency hopping transceiver of frequency range minimized wide-band, comprise: I/Q modulator (1), send out power control circuit (2), send out frequency hopping synthesizer (3), crystal oscillator (4), first power splitter (5), receive frequency hopping synthesizer (6), press down mirror frequency mixer (7), intermediate frequency amplifier (8), second power splitter (9), first switch (10), second switch (11), first intermediate-frequency filter (12), second intermediate-frequency filter (13), the 3rd intermediate-frequency filter (14), the 3rd switch (15), the 4th switch (16), detecting circuit (17), power supply (18) and monitoring (19), it is characterized in that: the input port 1 external base-band input signal of I/Q modulator (1), the output port 3 of I/Q modulator (1) is connected with the port one of sending out power control circuit (2), sends out the output port 2 output radiofrequency signals of power control circuit (2); The output port 1 of crystal oscillator (4) links to each other with the input port 2 of first power splitter (5); The output port 1 of first power splitter (5) links to each other with the input port 2 of receiving frequency hopping synthesizer (6), and the output port 3 of first power splitter (5) links to each other with the input port 1 of sending out frequency hopping synthesizer (3); The output port 2 of sending out frequency hopping synthesizer (3) links to each other with the input port 2 of I/Q modulator (1); The input port 1 external radiofrequency signal that presses down mirror frequency mixer (7), the input port 2 that presses down mirror frequency mixer (7) links to each other with the output port 1 of receiving frequency hopping synthesizer (6), and the output port 3 that presses down mirror frequency mixer (7) links to each other with the input port 2 of intermediate frequency amplifier (8); The output port 1 of intermediate frequency amplifier (8) links to each other with the port 2 of second power splitter (9); The output port 1 of second power splitter (9) links to each other with the input port 2 of detecting circuit (17), and the port 3 of second power splitter (9) links to each other with the port 2 of first switch (10); The output port 1 of first switch (10) links to each other with the input port 2 of first intermediate-frequency filter (12), and the output port 3 of first switch (10) links to each other with the input port 2 of second switch (11); The output port 1 of second switch (11) links to each other with the input port 2 of second intermediate-frequency filter (13), and the output port 3 of second switch (11) links to each other with the input port 2 of the 3rd intermediate-frequency filter (14); The output port 1 of first intermediate-frequency filter (12) links to each other with the input port 2 of the 4th switch (16); The output port 1 of second intermediate-frequency filter (13) links to each other with the input port 2 of the 3rd switch (15); The output port 1 of the 3rd intermediate-frequency filter (14) links to each other with the input port 3 of the 3rd switch (15); The output port 1 of the 3rd switch (15) links to each other with the input port 3 of the 4th switch (16); The output port 1 output intermediate-freuqncy signal of the 4th switch (16); The input/output port 1 of detecting circuit (17) links to each other with monitoring (19); Power supply (18) output voltage V end links to each other with the corresponding Input voltage terminal of each parts respectively, and monitoring (19) output control signal C end links to each other with each parts respective input signals C end respectively;
The I/Q modulator directly is modulated to the required rf frequency of transmission with the baseband signal of input, sends into and sends out a power control circuit, is controlled in the scope that needs and exports by sending out the amplitude of power control circuit with radiofrequency signal; Pressing down the mirror frequency mixer will carry out frequency conversion from the radiofrequency signal of LNA, and the output intermediate-freuqncy signal is carried out intermediate frequency then and amplified, the signal after the amplification, and through power splitter, the one tunnel sends into wave detector, and export through behind the intermediate frequency filtering on another road.
2. the multi-functional frequency hopping transceiver of uhf band minimized wide-band according to claim 1 is characterized in that: receive the frequency hopping synthesizer and send out the clock that the shared crystal oscillator of frequency hopping synthesizer produces.
3. the multi-functional frequency hopping transceiver of uhf band minimized wide-band according to claim 1 and 2 is characterized in that: but described mirror frequency mixer both can be passive, also can be active.
4. the multi-functional frequency hopping transceiver of uhf band minimized wide-band according to claim 1 and 2 is characterized in that: described I/Q modulator (1), send out power control circuit (2), send out frequency hopping synthesizer (3), crystal oscillator (4), first power splitter (5), receive frequency hopping synthesizer (6), press down mirror frequency mixer (7), intermediate frequency amplifier (8), second power splitter (9), first switch (10), second switch (11), first intermediate-frequency filter (12), second intermediate-frequency filter (13), the 3rd intermediate-frequency filter (14), the 3rd switch (15), the 4th switch (16), detecting circuit (17), power supply (18) and monitoring (19) are integrated in the printed board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206376167U CN201887760U (en) | 2010-12-02 | 2010-12-02 | UHF range miniaturized broadband multifunctional frequency-hopping transceiver |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206376167U CN201887760U (en) | 2010-12-02 | 2010-12-02 | UHF range miniaturized broadband multifunctional frequency-hopping transceiver |
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| CN201887760U true CN201887760U (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206376167U Expired - Lifetime CN201887760U (en) | 2010-12-02 | 2010-12-02 | UHF range miniaturized broadband multifunctional frequency-hopping transceiver |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281408A (en) * | 2011-08-16 | 2011-12-14 | 福建三元达通讯股份有限公司 | Outdoor high-efficiency digital television transmitter |
| CN102780500A (en) * | 2012-06-27 | 2012-11-14 | 上海通号轨道交通工程技术研究中心有限公司 | Digital-analogy compatible ultra high frequency (UHF) frequency band wireless digital interphone receiving circuit |
| CN103905075A (en) * | 2012-12-24 | 2014-07-02 | 中国电子科技集团公司第五十研究所 | Broadband frequency-hopping radio frequency transmitting and receiving system |
| CN105119573A (en) * | 2015-09-07 | 2015-12-02 | 华讯方舟科技（湖北）有限公司 | Microwave frequency conversion power division circuit |
| CN108390696A (en) * | 2018-05-11 | 2018-08-10 | 中国电子科技集团公司第五十四研究所 | C frequency ranges minimize one transmitter and four receivers intermediate frequency unit |
| CN114944865A (en) * | 2022-05-16 | 2022-08-26 | 河北东森电子科技有限公司 | Design and application method of ultra-wideband Ka-band satellite radio frequency unit |
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2010
- 2010-12-02 CN CN2010206376167U patent/CN201887760U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281408A (en) * | 2011-08-16 | 2011-12-14 | 福建三元达通讯股份有限公司 | Outdoor high-efficiency digital television transmitter |
| CN102780500A (en) * | 2012-06-27 | 2012-11-14 | 上海通号轨道交通工程技术研究中心有限公司 | Digital-analogy compatible ultra high frequency (UHF) frequency band wireless digital interphone receiving circuit |
| CN102780500B (en) * | 2012-06-27 | 2015-05-13 | 上海通号轨道交通工程技术研究中心有限公司 | Digital-analogy compatible ultra high frequency (UHF) frequency band wireless digital interphone receiving circuit |
| CN103905075A (en) * | 2012-12-24 | 2014-07-02 | 中国电子科技集团公司第五十研究所 | Broadband frequency-hopping radio frequency transmitting and receiving system |
| CN103905075B (en) * | 2012-12-24 | 2015-08-12 | 中国电子科技集团公司第五十研究所 | Wide interval frequency hopping radio-frequency system |
| CN105119573A (en) * | 2015-09-07 | 2015-12-02 | 华讯方舟科技（湖北）有限公司 | Microwave frequency conversion power division circuit |
| CN108390696A (en) * | 2018-05-11 | 2018-08-10 | 中国电子科技集团公司第五十四研究所 | C frequency ranges minimize one transmitter and four receivers intermediate frequency unit |
| CN108390696B (en) * | 2018-05-11 | 2023-12-22 | 中国电子科技集团公司第五十四研究所 | C-band miniaturized one-transmitting-four-receiving medium-frequency unit |
| CN114944865A (en) * | 2022-05-16 | 2022-08-26 | 河北东森电子科技有限公司 | Design and application method of ultra-wideband Ka-band satellite radio frequency unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CETC SATELLITE NAVIGATION SYSTEM CO., LTD. Free format text: FORMER OWNER: NO.54 INST., CHINA ELECTRONIC SCI. + TECH. GROUP CO. Effective date: 20120619 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 050081 SHIJIAZHUANG, HEBEI PROVINCE TO: 050200 SHIJIAZHUANG, HEBEI PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120619 Address after: 050200 No. 21 Changsheng Avenue, Hebei, Luquan Patentee after: CETC SATELLITE NAVIGATION OPERATION SERVICE CO., LTD. Address before: 050081 fifty-fourth Research Institute, Zhongshan West Road, Hebei, Shijiazhuang, 589 Patentee before: No.54 Inst., China Electronic Sci. & Tech. Group Co. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |