CN205336268U - Data signal wireless transmission equipment - Google Patents
Data signal wireless transmission equipment Download PDFInfo
- Publication number
- CN205336268U CN205336268U CN201521041420.0U CN201521041420U CN205336268U CN 205336268 U CN205336268 U CN 205336268U CN 201521041420 U CN201521041420 U CN 201521041420U CN 205336268 U CN205336268 U CN 205336268U
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- analog
- digital
- circuit
- radio transmission
- digital signals
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Abstract
The utility model discloses a data signal wireless transmission equipment, including emission module and receiving module, emission module includes the pulse code modulation unit, and the pulse code modulation unit connection has analog switch, and analog switch is connected with data construction unit and audio frequency gain control circuit, and audio frequency gain control circuit is connected with receiving module 0, and the data construction unit connection has receiving module 2, and receiving module 2 is connected with the first detector, and the first detector is connected with receiving module 4 and phase -locked loop, and receiving module 4 is connected with receiving module 6, receiving module includes digital analog converter, and digital analog converter is connected with megaphone and anti roaring circuit, and anti roaring circuit connection has the balanced device, and the balanced device is connected with the data construction unit, and the data construction unit connection has adc and pulse code modulation unit, and adc is connected with analog circuit, and simulation circuit connection has digital analog converter 1 and phase -locked loop, and digital analog converter 1 is connected with digital analog converter 3, and digital analog converter 3 and digital analog converter 5 are connected.
Description
Technical field
This utility model relates to a kind of radio transmission apparatus, particularly a kind of radio transmission of digital signals equipment。
Background technology
Along with economic and society development, information transmission seems more and more important, and being wirelessly transferred of audio signal is extremely general a kind of transmission means。But traditional audio signal is wirelessly transferred and has the disadvantage in that 1. equipment volume are huge, not Portable belt, and cost is high；2. homogeneity of product is bad, it is generally required to the artificial adjustment of three phases, namely adjusts intermediate frequency, coverage adjustment and tracking；3. generally use IF-FRE, selectivity and anti-Image interference ability all poor；4. function singleness, it is impossible to meet the diversity requirement of user。
Utility model content
For solving the problems referred to above, the purpose of this utility model is in that to provide a kind of radio transmission of digital signals equipment。
The invention for solving the technical problem be the technical scheme is that a kind of radio transmission of digital signals equipment, including transmitter module and receiver module, described transmitter module includes pulse code modulation unit, described pulse code modulation unit is connected to analog switch, described analog switch is connected to data structure cell and audio gain control circuit, described audio gain control circuit is connected to analog-digital converter, described data structure cell is connected to digital to analog converter, described digital to analog converter is connected to frequency mixer, described frequency mixer is connected to signal amplifier and phaselocked loop, described signal amplifier is connected to transmitting antenna;Described receiver module includes digital to analog converter, described digital to analog converter is connected to microphone and anti-roar circuit, described anti-roar circuit is connected to equalizer, described equalizer is connected to data structure cell, described data structure cell is connected to analog-digital converter and pulse code modulation unit, and described analog-digital converter is connected to analog circuit, and described analog circuit is connected to duplexer and phaselocked loop, described duplexer is connected to reception antenna, and described reception antenna is connected with transmitting antenna。
Analog broadcast signal is digitally converted and is digitized to process by this utility model, namely adopts Digital Signal Processing。This utility model has the advantage that 1. Highgrade integrations, reduces peripheral cell, reduces small product size；2. this utility model is owing to have employed digital processing technology, and the work of whole signal processing all completes at chip internal, outside without intermediate-frequency transformer and trimmer, it is achieved thereby that exempt from debugging, improves the concordance of product；3. this utility model adopts Low Medium Frequency framework and mixed frequency signal image rejection techniques, therefore has good selectivity and anti-Image interference ability；4. this utility model adopts software programming to control, it is simple to increase and decrease function。
Further, described transmitter module and receiver module are provided with crystal oscillating circuit。
Further, described transmitter module is provided with universal serial bus unit。
Further, described transmitter module and receiver module are provided with general-purpose interface。
Further, described transmitter module and receiver module are provided with interrupt request unit。
Further, described analog circuit includes high-frequency low-noise acoustic amplifier and frequency mixer。
Further, described analog circuit is connected to signal strength analysis unit。
Further, described receiver module is provided with universal serial bus unit, and described universal serial bus unit is connected with microprocessor。
Further, described receiver module is provided with low dropout voltage regulator。
The beneficial effects of the utility model are: a kind of radio transmission of digital signals equipment that this utility model adopts, and analog broadcast signal is digitally converted and is digitized to process by this utility model, namely adopts Digital Signal Processing。This utility model has the advantage that 1. Highgrade integrations, reduces peripheral cell, reduces small product size；2. this utility model is owing to have employed digital processing technology, and the work of whole signal processing all completes at chip internal, outside without intermediate-frequency transformer and trimmer, it is achieved thereby that exempt from debugging, improves the concordance of product；3. this utility model adopts Low Medium Frequency framework and mixed frequency signal image rejection techniques, therefore has good selectivity and anti-Image interference ability；4. this utility model adopts software programming to control, it is simple to increase and decrease function。
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the utility model is described in further detail。
Fig. 1 is structured flowchart of the present utility model。
Detailed description of the invention
With reference to Fig. 1, a kind of radio transmission of digital signals equipment of the present utility model, including transmitter module 1 and receiver module 2, described transmitter module 1 includes pulse code modulation unit 3, described pulse code modulation unit 3 is connected to analog switch 4, described analog switch 4 is connected to data structure cell 5 and audio gain control circuit 6, described audio gain control circuit 6 is connected to analog-digital converter 7, described data structure cell 5 is connected to digital to analog converter 8, described digital to analog converter 8 is connected to frequency mixer 9, described frequency mixer 9 is connected to signal amplifier 10 and phaselocked loop 11, described signal amplifier 10 is connected to transmitting antenna 12;Described receiver module 2 includes digital to analog converter 8, described digital to analog converter 8 is connected to microphone 13 and anti-roar circuit 14, described anti-roar circuit 14 is connected to equalizer 15, described equalizer 15 is connected to data structure cell 5, described data structure cell 5 is connected to analog-digital converter 7 and pulse code modulation unit 3, described analog-digital converter 7 is connected to analog circuit 16, described analog circuit 16 is connected to duplexer 17 and phaselocked loop 11, described duplexer 17 is connected to reception antenna 18, and described reception antenna 18 is connected with transmitting antenna 12。
Analog broadcast signal is digitally converted and is digitized to process by this utility model, namely adopts Digital Signal Processing。This utility model has the advantage that 1. Highgrade integrations, reduces peripheral cell, reduces small product size；2. this utility model is owing to have employed digital processing technology, and the work of whole signal processing all completes at chip internal, outside without intermediate-frequency transformer and trimmer, it is achieved thereby that exempt from debugging, improves the concordance of product；3. this utility model adopts Low Medium Frequency framework and mixed frequency signal image rejection techniques, therefore has good selectivity and anti-Image interference ability；4. this utility model adopts software programming to control, it is simple to increase and decrease function。
Preferably, described transmitter module 1 and receiver module 2 are provided with crystal oscillating circuit 19。
Preferably, described transmitter module 1 is provided with universal serial bus unit 20。
Preferably, described transmitter module 1 and receiver module 2 are provided with general-purpose interface 21。
Preferably, described transmitter module 1 and receiver module 2 are provided with interrupt request unit 25。
Preferably, described analog circuit 16 includes high-frequency low-noise acoustic amplifier 22 and frequency mixer 9。
Preferably, described analog circuit 16 is connected to signal strength analysis unit 23。
Preferably, described receiver module 2 is provided with universal serial bus unit 20, and described universal serial bus unit 20 is connected with microprocessor。
Preferably, described receiver module 2 is provided with low dropout voltage regulator 24。
The above, simply preferred embodiment of the present utility model, this utility model is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection domain of the present utility model。
Claims (9)
1. a radio transmission of digital signals equipment, it is characterized in that: include transmitter module (1) and receiver module (2), described transmitter module (1) includes pulse code modulation unit (3), described pulse code modulation unit (3) is connected to analog switch (4), described analog switch (4) is connected to data structure cell (5) and audio gain control circuit (6), described audio gain control circuit (6) is connected to analog-digital converter (7), described data structure cell (5) is connected to digital to analog converter (8), described digital to analog converter (8) is connected to frequency mixer (9), described frequency mixer (9) is connected to signal amplifier (10) and phaselocked loop (11), described signal amplifier (10) is connected to transmitting antenna (12);Described receiver module (2) includes digital to analog converter (8), described digital to analog converter (8) is connected to microphone (13) and anti-roar circuit (14), described anti-roar circuit (14) is connected to equalizer (15), described equalizer (15) is connected to data structure cell (5), described data structure cell (5) is connected to analog-digital converter (7) and pulse code modulation unit (3), described analog-digital converter (7) is connected to analog circuit (16), described analog circuit (16) is connected to duplexer (17) and phaselocked loop (11), described duplexer (17) is connected to reception antenna (18), described reception antenna (18) is connected with transmitting antenna (12)。
2. a kind of radio transmission of digital signals equipment according to claim 1, it is characterised in that: described transmitter module (1) and receiver module (2) are provided with crystal oscillating circuit (19)。
3. a kind of radio transmission of digital signals equipment according to claim 1, it is characterised in that: described transmitter module (1) is provided with universal serial bus unit (20)。
4. a kind of radio transmission of digital signals equipment according to claim 1, it is characterised in that: described transmitter module (1) and receiver module (2) are provided with general-purpose interface (21)。
5. a kind of radio transmission of digital signals equipment according to claim 1, it is characterised in that: described transmitter module (1) and receiver module (2) are provided with interrupt request unit (25)。
6. a kind of radio transmission of digital signals equipment according to claim 1, it is characterised in that: described analog circuit (16) includes high-frequency low-noise acoustic amplifier (22) and frequency mixer (9)。
7. according to the arbitrary described a kind of radio transmission of digital signals equipment of claim 1 or 6, it is characterised in that: described analog circuit (16) is connected to signal strength analysis unit (23)。
8. a kind of radio transmission of digital signals equipment according to claim 1, it is characterised in that: described receiver module (2) is provided with universal serial bus unit (20), and described universal serial bus unit (20) is connected with microprocessor。
9. a kind of radio transmission of digital signals equipment according to claim 1, it is characterised in that: described receiver module (2) is provided with low dropout voltage regulator (24)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041420.0U CN205336268U (en) | 2015-12-14 | 2015-12-14 | Data signal wireless transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041420.0U CN205336268U (en) | 2015-12-14 | 2015-12-14 | Data signal wireless transmission equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205336268U true CN205336268U (en) | 2016-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521041420.0U Expired - Fee Related CN205336268U (en) | 2015-12-14 | 2015-12-14 | Data signal wireless transmission equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205336268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406886A (en) * | 2015-12-14 | 2016-03-16 | 恩平市邦华电子有限公司 | Digital signal wireless transmission equipment |
-
2015
- 2015-12-14 CN CN201521041420.0U patent/CN205336268U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406886A (en) * | 2015-12-14 | 2016-03-16 | 恩平市邦华电子有限公司 | Digital signal wireless transmission equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20201214 |