CN203166934U - Ultrashort transceiver - Google Patents
Ultrashort transceiver Download PDFInfo
- Publication number
- CN203166934U CN203166934U CN 201320221691 CN201320221691U CN203166934U CN 203166934 U CN203166934 U CN 203166934U CN 201320221691 CN201320221691 CN 201320221691 CN 201320221691 U CN201320221691 U CN 201320221691U CN 203166934 U CN203166934 U CN 203166934U
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- frequency synthesizer
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Abstract
The utility model discloses an ultrashort transceiver, comprising an antenna, a reception part, an emission part, a frequency synthesizer and a CPU. The antenna is connected with the reception part and the emission part. Output ends of the reception part and the emission part are both connected with an input end of the frequency synthesizer. The frequency synthesizer is in bidirectional connection with the CPU. The ultrashort transceiver is suitable for communication in special environments such as fields and mountain areas, has a communication distance of more than 1km at a rated output power state, can be used by basic-level teams, has characteristics of being simple in operation, high in flexibility, clear in voice, light in weight, small in size, convenient to carry, strong in continuous working capability and the like, and is a miniature device used to communicate with a portable ultrashort transceiver used by an upper level.
Description
Technical field
The utility model relates to a kind of ultrashort wave transceiver.
Background technology
In order to accomplish fluently information war, electronic warfare, satisfy military communication to the more and more stricter requirement of communication quality, just require communication transceiver can effectively ensure under electromagnetic interference environment, rapid, accurate, liaison reliably.The ultrashort wave transceiver is mainly used in tactical unit and carries out short-range communication, different according to transmitting power, antenna form and the landform in radio station, and communication distance is generally several kilometers to tens of kilometers.The ultrashort wave transceiver can adopt modulation systems such as amplitude modulation, frequency modulation, monolateral band, is made as the master with frequency modulation usually, and its interference free performance is better than amplitude-modulation system and single sideband system.
The utility model content
The purpose of this utility model is that mobility is good, easy to use, the ultrashort wave transceiver of superior performance.
The technical scheme that realizes the utility model purpose is a kind of ultrashort wave transceiver, comprises antenna, receiving unit, radiating portion, frequency synthesizer and CPU; Described antenna links to each other with radiating portion with receiving unit; The output of described receiving unit and radiating portion all is connected with the input of frequency synthesizer; Described frequency synthesizer is connected with CPU is two-way.
Described receiving unit comprises high-frequency signal receiving circuit, frequency modulation demodulation circuit and audio amplifier circuit; The input of described high-frequency signal receiving circuit connects antenna, and output connects frequency synthesizer and frequency modulation demodulation circuit; The output of described frequency modulation demodulation circuit connects audio amplifier circuit.
Described radiating portion comprises microphone, speech amplifying circuit and power amplifier; The output of described microphone connects the input of speech amplifying circuit; The output of described speech amplifying circuit connects frequency synthesizer; The input of described power amplifier connects the output of frequency synthesizer, and the output of power amplifier connects antenna.
The phase-locked integrated circuit of described frequency synthesizer adopts MB1504.
The ultrashort wave transceiver also comprises cover aluminium alloy casing externally.
Adopted technique scheme, the utlity model has following beneficial effect: (1) the utility model adapts to the communication of some particular surroundings such as field, mountain area, and under the rated output power state, communication distance surpasses 1km; Use as team of basic unit, easy and simple to handle, highly sensitive, speech is clear, in light weight, volume is little, easy to carry, characteristics such as the continuous operation ability is strong, is the compact apparatus that the portable ultra short wave transceiver that uses with upper level communicates contact.
(2) the utility model adopts the aluminum alloy sleeve case structure, can protection against the tide, mildew-resistant, anti-salt fog, have characteristics such as volume is little, in light weight, easy and simple to handle, and can satisfy the field operation use.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is theory diagram of the present utility model.
Label is in the accompanying drawing:
Antenna 1, receiving unit 2, high-frequency signal receiving circuit 21, frequency modulation demodulation circuit 22, audio amplifier circuit 23, radiating portion 3, microphone 31, speech amplifying circuit 32, power amplifier 33, frequency synthesizer 4, CPU5.
Embodiment
(embodiment 1)
See Fig. 1, a kind of ultrashort wave transceiver of present embodiment comprises antenna 1, receiving unit 2, radiating portion 3, frequency synthesizer 4 and CPU5; Antenna 1 links to each other with radiating portion 3 with receiving unit 2; The output of receiving unit 2 and radiating portion 3 all is connected with the input of frequency synthesizer 4; Frequency synthesizer 4 is connected with CPU5 is two-way.The phase-locked integrated circuit of frequency synthesizer 4 adopts MB1504.The ultrashort wave transceiver also comprises cover aluminium alloy casing externally.
Receiving unit 2 comprises high-frequency signal receiving circuit 21, frequency modulation demodulation circuit 22 and audio amplifier circuit 23; The input of high-frequency signal receiving circuit 21 connects antenna 1, and output connects frequency synthesizer 4 and frequency modulation demodulation circuit 22; The output of frequency modulation demodulation circuit 22 connects audio amplifier circuit 23.46.5MHz-49.5MHz the signal that is received by antenna enters high-frequency signal receiving circuit 21 behind band pass filter, CPU5 is, and frequency synthesizer 4 realization programmable frequency dividers are put numerical control system.
Radiating portion 3 comprises microphone 31, speech amplifying circuit 32 and power amplifier 33; The output of microphone 31 connects the input of speech amplifying circuit 32; The output of speech amplifying circuit 32 connects frequency synthesizer 4; The input of power amplifier 33 connects the output of frequency synthesizer 4, and the output of power amplifier 33 connects antenna 1.
Speech amplifies 32 microphone 31 is adopted the requirement that the faint voice signal that picks up is amplified to modulation, voice signal is sent into frequency synthesizer 4 and is finished direct frequency modulation after amplifying, FM signal by frequency synthesizer 4 outputs is pushed to power amplifier 33 through amplification, by antenna 1 emission output.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1. ultrashort wave transceiver is characterized in that: comprise antenna (1), receiving unit (2), radiating portion (3), frequency synthesizer (4) and CPU(5); Described antenna (1) links to each other with radiating portion (3) with receiving unit (2); The output of described receiving unit (2) and radiating portion (3) all is connected with the input of frequency synthesizer (4); Described frequency synthesizer (4) and CPU(5) the two-way connection.
2. a kind of ultrashort wave transceiver according to claim 1, it is characterized in that: described receiving unit (2) comprises high-frequency signal receiving circuit (21), frequency modulation demodulation circuit (22) and audio amplifier circuit (23); The input of described high-frequency signal receiving circuit (21) connects antenna (1), and output connects frequency synthesizer (4) and frequency modulation demodulation circuit (22); The output of described frequency modulation demodulation circuit (22) connects audio amplifier circuit (23).
3. a kind of ultrashort wave transceiver according to claim 1, it is characterized in that: described radiating portion (3) comprises microphone (31), speech amplifying circuit (32) and power amplifier (33); The output of described microphone (31) connects the input of speech amplifying circuit (32); The output of described speech amplifying circuit (32) connects frequency synthesizer (4); The input of described power amplifier (33) connects the output of frequency synthesizer (4), and the output of power amplifier (33) connects antenna (1).
4. according to the described a kind of ultrashort wave transceiver of one of claim 1 to 3, it is characterized in that: the phase-locked integrated circuit of described frequency synthesizer (4) adopts MB1504.
5. a kind of ultrashort wave transceiver according to claim 4 is characterized in that: also comprise cover aluminium alloy casing externally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320221691 CN203166934U (en) | 2013-04-27 | 2013-04-27 | Ultrashort transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320221691 CN203166934U (en) | 2013-04-27 | 2013-04-27 | Ultrashort transceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203166934U true CN203166934U (en) | 2013-08-28 |
Family
ID=49028087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320221691 Expired - Fee Related CN203166934U (en) | 2013-04-27 | 2013-04-27 | Ultrashort transceiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203166934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113055044A (en) * | 2021-03-30 | 2021-06-29 | 武汉深蓝电波电子科技有限公司 | Multi-band electronic countermeasure radio frequency transceiving method |
-
2013
- 2013-04-27 CN CN 201320221691 patent/CN203166934U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113055044A (en) * | 2021-03-30 | 2021-06-29 | 武汉深蓝电波电子科技有限公司 | Multi-band electronic countermeasure radio frequency transceiving method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20160427 |