CN204244242U - Be applicable to the laser transmission receiving circuit of short distance information transmission - Google Patents
Be applicable to the laser transmission receiving circuit of short distance information transmission Download PDFInfo
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- CN204244242U CN204244242U CN201420627135.6U CN201420627135U CN204244242U CN 204244242 U CN204244242 U CN 204244242U CN 201420627135 U CN201420627135 U CN 201420627135U CN 204244242 U CN204244242 U CN 204244242U
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Abstract
The utility model discloses a kind of laser transmission receiving circuit being applicable to short distance information transmission, comprise the first resistance to the 12 resistance, the first electric capacity to the 6th electric capacity, the first triode to the 5th triode, opto-electronic receiver triode, potentiometer and power supply.The opto-electronic receiver triode that the utility model is applicable to the laser transmission receiving circuit of short distance information transmission receives modulated laser beam, and by the analog signal demodulation in laser beam out, the base stage panel of opto-electronic receiver triode is after laser signal irradiates, just photoelectric effect can be produced, this analog signal is after the second triode and the 3rd triode carry out low-frequency voltage amplification, export again after carrying out power amplification by the first triode and the 5th triode, reach the object of transfer die analog signal, the utility model structure is simple, good stability, there is the value promoted the use of.
Description
Technical field
The utility model relates to a kind of receiving circuit, particularly relates to a kind of laser transmission receiving circuit being applicable to short distance information transmission.
Background technology
Along with the progress of society and the development of science and technology, radio communication, the Internet, Internet of Things etc. start in the life of people and popularize in producing, for Internet of Things, it is exactly the network between object and object, therefore most of Internet of Things all belongs to Near-field Data transmission, in Near-field Data transmission, sound wave laser and laser transmission are used widely, laser transmission is by after the analog signal of data input laser transmission circuit, after treatment analog passband signal is crossed laser to launch, decode after being received by laser pick-off circuit again, export the information of transmission again, traditional laser pick-off circuit structure is complicated, power consumption is large, easily there is demodulation mistake, have impact on the accuracy of transmission information.
Utility model content
The purpose of this utility model is just to provide a kind of laser transmission receiving circuit being applicable to short distance information transmission to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of laser transmission receiving circuit being applicable to short distance information transmission, comprise the first resistance to the 12 resistance, first electric capacity is to the 6th electric capacity, first triode is to the 5th triode, opto-electronic receiver triode, potentiometer and power supply, the first end of described first resistance respectively with the first end of described first electric capacity, the first end of described second resistance, the first end of described 3rd resistance is connected with the first end of described 4th resistance, second end ground connection of described first electric capacity, second end of described first resistance is connected with the base stage of described second triode and the collector electrode of described opto-electronic receiver triode respectively, second end of described second resistance is connected with the first end of described 4th electric capacity and the collector electrode of described second triode respectively, the emitter of described second triode is connected with the described first end of the 9th resistance and the first end of described potentiometer respectively, second end of described 9th resistance is connected with the base stage of described opto-electronic receiver triode, the sliding end of described potentiometer is connected with the first end of described 6th electric capacity, second end of described 3rd resistance respectively with the second end of described 4th electric capacity, the base stage of described 3rd triode is connected with the first end of described tenth resistance, second end of described 4th resistance respectively with the first end of described 3rd electric capacity, the collector electrode of described 5th triode is connected with the positive pole of described power supply, second end ground connection of described 3rd electric capacity, the base stage of described 5th triode is connected with the first end of described 6th resistance and the first end of described 7th resistance respectively, second end of described 6th resistance is connected with the first end of described second electric capacity, the first end of described second electric capacity is signal output part, second end of described second electric capacity is connected with the first end of described 5th resistance, second end of described 5th resistance is connected with the emitter of described 3rd triode and the first end of described 5th electric capacity respectively, second end of described 5th electric capacity is connected with the second end of described tenth resistance and the first end of described 11 resistance respectively, the collector electrode of described 3rd triode is connected with the base stage of described 4th triode and the first end of described 12 resistance respectively, second end of described 7th resistance is connected with the collector electrode of described 4th triode and the base stage of described first triode respectively, the emitter of described 5th triode is connected with the first end of described 8th resistance, second end of described 8th resistance is connected with the emitter of described first triode, the negative pole of described power supply respectively with the collector electrode of described first triode, the emitter of described 4th triode, second end of described 12 resistance, second end of described 11 resistance, second end of described potentiometer, second end of described 6th electric capacity is connected with the emitter of described opto-electronic receiver triode.
The beneficial effects of the utility model are:
The opto-electronic receiver triode that the utility model is applicable to the laser transmission receiving circuit of short distance information transmission receives modulated laser beam, and by the analog signal demodulation in laser beam out, the base stage panel of opto-electronic receiver triode is after laser signal irradiates, just photoelectric effect can be produced, this analog signal is after the second triode and the 3rd triode carry out low-frequency voltage amplification, export again after carrying out power amplification by the first triode and the 5th triode, reach the object of transfer die analog signal, the utility model structure is simple, good stability.
Accompanying drawing explanation
Fig. 1 is the circuit diagram that the utility model is applicable to the laser transmission receiving circuit of short distance information transmission.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model is applicable to the laser transmission receiving circuit of short distance information transmission, comprise the first resistance R1 to the 12 resistance R12, first electric capacity C1 is to the 6th electric capacity C6, first triode T1 is to the 5th triode T5, opto-electronic receiver triode VT, potentiometer RP and power supply E, the first end of the first resistance R1 respectively with the first end of the first electric capacity C1, the first end of the second resistance R2, the first end of the 3rd resistance R3 is connected with the first end of the 4th resistance R4, the second end ground connection of the first electric capacity C1, second end of the first resistance R1 is connected with the base stage of the second triode T2 and the collector electrode of opto-electronic receiver triode VT respectively, second end of the second resistance R2 is connected with the first end of the 4th electric capacity C4 and the collector electrode of the second triode T2 respectively, the emitter of the second triode T2 is connected with the first end of the 9th resistance R9 and the first end of potentiometer RP respectively, second end of the 9th resistance R9 is connected with the base stage of opto-electronic receiver triode VT, the sliding end of potentiometer RP is connected with the first end of the 6th electric capacity C6, second end of the 3rd resistance R3 respectively with second end of the 4th electric capacity C4, the base stage of the 3rd triode T3 is connected with the first end of the tenth resistance R10, second end of the 4th resistance R4 respectively with the first end of the 3rd electric capacity C3, the collector electrode of the 5th triode T5 is connected with the positive pole of power supply E, the second end ground connection of the 3rd electric capacity C3, the base stage of the 5th triode T5 is connected with the first end of the 6th resistance R6 and the first end of the 7th resistance R7 respectively, second end of the 6th resistance R6 is connected with the first end of the second electric capacity C2, the first end of the second electric capacity C2 is signal output part, second end of the second electric capacity C2 is connected with the first end of the 5th resistance R5, second end of the 5th resistance R5 is connected with the emitter of the 3rd triode T3 and the first end of the 5th electric capacity C5 respectively, second end of the 5th electric capacity C5 is connected with second end of the tenth resistance R10 and the first end of the 11 resistance R11 respectively, the collector electrode of the 3rd triode T3 is connected with the base stage of the 4th triode T4 and the first end of the 12 resistance R12 respectively, second end of the 7th resistance R7 is connected with the collector electrode of the 4th triode T4 and the base stage of the first triode T1 respectively, the emitter of the 5th triode T5 is connected with the first end of the 8th resistance R8, second end of the 8th resistance R8 is connected with the emitter of the first triode T1, the negative pole of power supply E respectively with the collector electrode of the first triode T1, the emitter of the 4th triode T4, second end of the 12 resistance R12, second end of the 11 resistance R11, second end of potentiometer RP, second end of the 6th electric capacity C6 is connected with the emitter of opto-electronic receiver triode VT.
The operation principle that the utility model is applicable to the laser transmission receiving circuit of short distance information transmission is as follows:
The opto-electronic receiver triode VT of receiving circuit receives modulated laser beam, and by the analog signal demodulation in laser beam out, the base stage panel of opto-electronic receiver triode VT is after laser signal irradiates, just photoelectric effect can be produced, this analog signal, after the second triode T2 and the 3rd triode T3 carries out low-frequency voltage amplification, to carry out after power amplification outputting analog signal again by the first triode T1 and the 5th triode T5.
Claims (1)
1. one kind is applicable to the laser transmission receiving circuit of short distance information transmission, it is characterized in that: comprise the first resistance to the 12 resistance, first electric capacity is to the 6th electric capacity, first triode is to the 5th triode, opto-electronic receiver triode, potentiometer and power supply, the first end of described first resistance respectively with the first end of described first electric capacity, the first end of described second resistance, the first end of described 3rd resistance is connected with the first end of described 4th resistance, second end ground connection of described first electric capacity, second end of described first resistance is connected with the base stage of described second triode and the collector electrode of described opto-electronic receiver triode respectively, second end of described second resistance is connected with the first end of described 4th electric capacity and the collector electrode of described second triode respectively, the emitter of described second triode is connected with the described first end of the 9th resistance and the first end of described potentiometer respectively, second end of described 9th resistance is connected with the base stage of described opto-electronic receiver triode, the sliding end of described potentiometer is connected with the first end of described 6th electric capacity, second end of described 3rd resistance respectively with the second end of described 4th electric capacity, the base stage of described 3rd triode is connected with the first end of described tenth resistance, second end of described 4th resistance respectively with the first end of described 3rd electric capacity, the collector electrode of described 5th triode is connected with the positive pole of described power supply, second end ground connection of described 3rd electric capacity, the base stage of described 5th triode is connected with the first end of described 6th resistance and the first end of described 7th resistance respectively, second end of described 6th resistance is connected with the first end of described second electric capacity, the first end of described second electric capacity is signal output part, second end of described second electric capacity is connected with the first end of described 5th resistance, second end of described 5th resistance is connected with the emitter of described 3rd triode and the first end of described 5th electric capacity respectively, second end of described 5th electric capacity is connected with the second end of described tenth resistance and the first end of described 11 resistance respectively, the collector electrode of described 3rd triode is connected with the base stage of described 4th triode and the first end of described 12 resistance respectively, second end of described 7th resistance is connected with the collector electrode of described 4th triode and the base stage of described first triode respectively, the emitter of described 5th triode is connected with the first end of described 8th resistance, second end of described 8th resistance is connected with the emitter of described first triode, the negative pole of described power supply respectively with the collector electrode of described first triode, the emitter of described 4th triode, second end of described 12 resistance, second end of described 11 resistance, second end of described potentiometer, second end of described 6th electric capacity is connected with the emitter of described opto-electronic receiver triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627135.6U CN204244242U (en) | 2014-10-27 | 2014-10-27 | Be applicable to the laser transmission receiving circuit of short distance information transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627135.6U CN204244242U (en) | 2014-10-27 | 2014-10-27 | Be applicable to the laser transmission receiving circuit of short distance information transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204244242U true CN204244242U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420627135.6U Expired - Fee Related CN204244242U (en) | 2014-10-27 | 2014-10-27 | Be applicable to the laser transmission receiving circuit of short distance information transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204244242U (en) |
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2014
- 2014-10-27 CN CN201420627135.6U patent/CN204244242U/en not_active Expired - Fee Related
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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: 20150401 Termination date: 20151027 |
|
| EXPY | Termination of patent right or utility model |