CN202906880U - Wireless transmission module - Google Patents
Wireless transmission module Download PDFInfo
- Publication number
- CN202906880U CN202906880U CN 201220604957 CN201220604957U CN202906880U CN 202906880 U CN202906880 U CN 202906880U CN 201220604957 CN201220604957 CN 201220604957 CN 201220604957 U CN201220604957 U CN 201220604957U CN 202906880 U CN202906880 U CN 202906880U
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- radio
- wireless transmission
- circuit board
- oscillator
- circuit
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Abstract
The utility model relates to the technical field of communication equipment, and particularly relates to a wireless transmission module. The wireless transmission module comprises a circuit board and a wireless transmission circuit arranged on the circuit board, wherein the wireless transmission circuit comprises a signal input interface, a signal input circuit, an oscillator IC, and a radio frequency power amplifier; the oscillator IC comprises an elastic surface wave oscillator and a radio frequency oscillator; a microstrip antenna matched with the wireless transmission circuit is integrated on the circuit board; and the output end of the radio frequency power amplifier is connected with the microstrip antenna. According to the wireless transmission module provided by the utility model, the wireless transmission circuit and the accurately-matched antenna are designed on one circuit board, thereby ensuring the transmission power to be totally transmitted, enabling the wireless transmission to reach the best match, reducing the technology difficulty of developing products by a user, and improving performances of the product. The wireless transmission module has a reduced volume and does not take up space.
Description
Technical field:
The utility model relates to the communication apparatus technical field, relates in particular to a kind of wireless transmitter module.
Background technology:
Wireless Data Transmission refers to utilize wireless transport module that the various data of field apparatus output are carried out remote transmission.Wireless Data Transmission is widely used in the fields such as vehicle monitoring, remote control, remote measurement, micro radio network, radio meter register, gate control system, residential quarter call, industrial data acquisition system, wireless identification tag, identification, non-contact RF smart card, micro radio data terminal, fire safety system, wireless remote-control system, biological signal collecting, hydrometeorology monitoring, robot control, data communication, digital audio, Digital Image Transmission.Existing wireless transmitter module all is not with antenna, and the shape of antenna reaches the matching effect that has directly determined transmitter module and antenna with the connected mode of antenna and transmitter module.Because the designing technique very complex of antenna, so that the application producer of employing wireless transmitter module when the design specific product, is difficult to accomplish that antenna and module mate fully.
The utility model content:
The purpose of this utility model is exactly to provide a kind of wireless transmitter module that radio transmitter and antenna are mated fully for the deficiency of prior art existence.
To achieve these goals, the technical solution adopted in the utility model is:
Wireless transmitter module, it includes circuit board and the radio transmitter that is arranged on the circuit board, radio transmitter includes the signal input interface, the signal input circuit, oscillator IC, radio-frequency power amplifier, oscillator IC includes surface elasticity wave oscillator and radio-frequency oscillator, the signal input interface connects the input of signal input circuit, the output of signal input circuit is connected output and is connected respectively the input of radio-frequency oscillator with the surface elasticity wave oscillator, the output of radio-frequency oscillator connects the input of radio-frequency power amplifier, be integrated with the microstrip antenna that mates with radio transmitter on the circuit board, the output of radio-frequency power amplifier connects microstrip antenna.
Described circuit board is provided with the button cell into the radio transmitter power supply.
Described circuit board is provided with the power input interface into the radio transmitter power supply.
Described microstrip antenna is around the periphery that is arranged on circuit board.
The utility model beneficial effect is: the utility model includes circuit board and the radio transmitter that is arranged on the circuit board, radio transmitter includes the signal input interface, the signal input circuit, oscillator IC, radio-frequency power amplifier, oscillator IC includes surface elasticity wave oscillator and radio-frequency oscillator, the signal input interface connects the input of signal input circuit, the output of signal input circuit is connected output and is connected respectively the input of radio-frequency oscillator with the surface elasticity wave oscillator, the output of radio-frequency oscillator connects the input of radio-frequency power amplifier, be integrated with the microstrip antenna with the radio transmitter coupling on the circuit board, the output of radio-frequency power amplifier connects microstrip antenna, the Antenna Design of radio transmitter of the present utility model and exact matching is on the same circuit board, guaranteed that transmitting power can send fully, make wireless transmission arrive optimum Match, reduced the technical difficulty of User Exploitation product, improved the performance of product, and volume-diminished of the present utility model does not take up room.
Description of drawings:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described, see shown in Fig. 1 ~ 2, wireless transmitter module, it includes circuit board 1 and the radio transmitter 2 that is arranged on the circuit board 1, radio transmitter 2 includes signal input interface 21, signal input circuit 22, oscillator IC 23, radio-frequency power amplifier 24, oscillator IC 23 includes surface elasticity wave oscillator 231 and radio-frequency oscillator 232, signal input interface 21 connects the input of signal input circuit 22, the output that the output of signal input circuit 22 is connected with the surface elasticity wave oscillator connects respectively the input of radio-frequency oscillator 232, the output of radio-frequency oscillator 232 connects the input of radio-frequency power amplifier 24, be integrated with the microstrip antenna 3 that mates with radio transmitter 2 on the circuit board 1, the output of radio-frequency power amplifier 24 connects microstrip antenna 3.
The Antenna Design of radio transmitter 2 of the present utility model and exact matching is on same circuit board 1, guaranteed that transmitting power can send fully, make wireless transmission arrive optimum Match, reduced the technical difficulty of User Exploitation product, improved the performance of product, and volume-diminished of the present utility model does not take up room.
Certainly, the above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (4)
1. wireless transmitter module, it includes circuit board (1) and is arranged on radio transmitter (2) on the circuit board (1), it is characterized in that: described radio transmitter (2) includes signal input interface (21), signal input circuit (22), oscillator IC(23), radio-frequency power amplifier (24), oscillator IC(23) includes surface elasticity wave oscillator (231) and radio-frequency oscillator (232), signal input interface (21) connects the input of signal input circuit (22), the output of signal input circuit (22) is connected 231 with the surface elasticity wave oscillator) output connect respectively the input of radio-frequency oscillator (232), the output of radio-frequency oscillator (232) connects the input of radio-frequency power amplifier (24), be integrated with the microstrip antenna (3) that mates with radio transmitter (2) on the circuit board (1), the output of radio-frequency power amplifier (24) connects microstrip antenna (3).
2. wireless transmitter module according to claim 1 is characterized in that: described circuit board (1) is provided with the button cell (4) into radio transmitter (2) power supply.
3. wireless transmitter module according to claim 1 is characterized in that: described circuit board (1) is provided with the power input interface (5) into radio transmitter (2) power supply.
4. the described wireless transmitter module of any one according to claim 1 ~ 3, it is characterized in that: described microstrip antenna (3) is around the periphery that is arranged on circuit board (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604957 CN202906880U (en) | 2012-11-16 | 2012-11-16 | Wireless transmission module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604957 CN202906880U (en) | 2012-11-16 | 2012-11-16 | Wireless transmission module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202906880U true CN202906880U (en) | 2013-04-24 |
Family
ID=48127498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220604957 Expired - Fee Related CN202906880U (en) | 2012-11-16 | 2012-11-16 | Wireless transmission module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202906880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577202A (en) * | 2016-01-11 | 2016-05-11 | 浙江大学 | 915MHz power adjustable high power radio frequency transmitter |
| CN106100653A (en) * | 2016-06-13 | 2016-11-09 | 深圳市华讯方舟卫星通信有限公司 | Mixing transmitting device |
-
2012
- 2012-11-16 CN CN 201220604957 patent/CN202906880U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577202A (en) * | 2016-01-11 | 2016-05-11 | 浙江大学 | 915MHz power adjustable high power radio frequency transmitter |
| CN105577202B (en) * | 2016-01-11 | 2018-04-03 | 浙江大学 | A kind of high-power RF transmitter of 915MHz power adjustables |
| CN106100653A (en) * | 2016-06-13 | 2016-11-09 | 深圳市华讯方舟卫星通信有限公司 | Mixing transmitting device |
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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: 20130424 Termination date: 20161116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |