CN205545870U - Headset audio input output circuit - Google Patents
Headset audio input output circuit Download PDFInfo
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- CN205545870U CN205545870U CN201620065803.XU CN201620065803U CN205545870U CN 205545870 U CN205545870 U CN 205545870U CN 201620065803 U CN201620065803 U CN 201620065803U CN 205545870 U CN205545870 U CN 205545870U
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Abstract
The utility model provides a headset audio input output circuit, it includes first electric capacity, second electric capacity, first resistance, second resistance, third resistance, fourth resistance, the 5th resistance and triode, the input is connected to the one end of first electric capacity, the one end of first resistance, the one end of second resistance are connected to the other end of first electric capacity, the other end of first resistance is connected the one end of third resistance, the one end of the 5th resistance, the other end of second resistance is connected the base of triode, the emitter electrode of the triode is grounded, the collecting electrode of triode is connected the one end of third resistance, the one end of fourth resistance, the one end of second electric capacity is connected to the other end of fourth resistance, the output is connected respectively to the other end of second electric capacity, the other end of the 5th resistance. The embodiment of the utility model provides a headset audio input output circuit can the filtering the most harmonic circuit and the signal of input, guaranteed headphone output's tone quality.
Description
Technical field
This utility model relates to headset technical field, particularly a kind of headset audio input/output circuit.
Background technology
Adulterate after headset input is untreated a lot of impurity signal, and the voice of output can be subject to the biggest shadow
Ring, serious it is also possible that the phenomenon of electric leakage.Prior art is badly in need of one can filter noise in headset input
Strays stream and the circuit of signal.
Utility model content
This utility model embodiment provides a kind of headset audio input/output circuit, it include the first electric capacity,
Second electric capacity, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance and audion,
One end of described first electric capacity connects input, the other end of described first electric capacity connect one end of the first resistance,
One end of second resistance, the other end of described first resistance connects one end of described 3rd resistance, the 5th resistance
One end, the other end of described second resistance connects the base stage of described audion, the emitter stage of described audion
Ground connection, the colelctor electrode of described audion connects one end of described 3rd resistance, one end of the 4th resistance, described
The other end of the 4th resistance connects one end of the second electric capacity, the other end of described second electric capacity, the 5th resistance
The other end connects outfan respectively.
This utility model has the advantages that
The headset audio input/output circuit that this utility model embodiment provides can filter the overwhelming majority of input
Harmonic circuit and signal, it is ensured that the tonequality of earphone output.
Certainly, implement arbitrary product of the present utility model to it is not absolutely required to reach all the above simultaneously
Advantage.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, institute embodiment will be described below
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only this practicality
Some novel embodiments, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The headset audio input/output circuit schematic diagram that Fig. 1 provides for this utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is only that this utility model part is real
Execute example rather than whole embodiments.Based on the embodiment in this utility model, ordinary skill people
All other embodiments that member is obtained under not making creative work premise, broadly fall into this utility model
The scope of protection.
This utility model embodiment provides a kind of headset audio input/output circuit, it include the first electric capacity C1,
Second electric capacity C2, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th electricity
One end of resistance R5 and audion, the first electric capacity C1 connects input, and the other end of the first electric capacity C1 connects the
One end of one resistance R1, one end of the second resistance R2, the other end of the first resistance R1 connects the 3rd resistance R3
One end, one end of the 5th resistance R5, the base stage of the other end connecting triode of the second resistance R2, described
The grounded emitter of audion, the colelctor electrode of described audion connects one end of the 3rd resistance R3, the 4th resistance
One end of R4, the other end of the 4th resistance R4 connects one end of the second electric capacity C2, another of the second electric capacity C2
End, the other end of the 5th resistance R5 connect outfan respectively.
The headset audio input/output circuit that this utility model embodiment provides can filter the overwhelming majority of input
Harmonic circuit and signal, it is ensured that the tonequality of earphone output.
This utility model preferred embodiment disclosed above is only intended to help to illustrate this utility model.Preferred embodiment
The not all of details of detailed descriptionthe, is also not intended to the detailed description of the invention that this utility model is only described.
Obviously, according to the content of this specification, can make many modifications and variations.This specification is chosen and is specifically retouched
State these embodiments, be to preferably explain principle of the present utility model and actual application, so that affiliated
Technical field technical staff can be best understood by and utilize this utility model.This utility model is only by claim
Book and four corner thereof and the restriction of equivalent.
Claims (1)
1. a headset audio input/output circuit, it is characterised in that include the first electric capacity, the second electric capacity,
First resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance and audion, described first
One end of electric capacity connects input, and the other end of described first electric capacity connects one end of the first resistance, the second resistance
One end, the other end of described first resistance connects one end of described 3rd resistance, one end of the 5th resistance,
The other end of described second resistance connects the base stage of described audion, the grounded emitter of described audion, institute
The colelctor electrode stating audion connects one end of described 3rd resistance, one end of the 4th resistance, described 4th resistance
The other end connect one end of the second electric capacity, the other end of described second electric capacity, the other end of the 5th resistance divide
Do not connect outfan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620065803.XU CN205545870U (en) | 2016-01-22 | 2016-01-22 | Headset audio input output circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620065803.XU CN205545870U (en) | 2016-01-22 | 2016-01-22 | Headset audio input output circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205545870U true CN205545870U (en) | 2016-08-31 |
Family
ID=56768022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620065803.XU Expired - Fee Related CN205545870U (en) | 2016-01-22 | 2016-01-22 | Headset audio input output circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205545870U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106792363A (en) * | 2016-12-30 | 2017-05-31 | 马鞍山佳鼎通信科技有限公司 | A kind of headset input impurity electric current filtering control circuit |
| CN106790934A (en) * | 2016-12-30 | 2017-05-31 | 马鞍山佳鼎通信科技有限公司 | A kind of mobile microphone input speech harmonics signal filtering control circuit |
-
2016
- 2016-01-22 CN CN201620065803.XU patent/CN205545870U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106792363A (en) * | 2016-12-30 | 2017-05-31 | 马鞍山佳鼎通信科技有限公司 | A kind of headset input impurity electric current filtering control circuit |
| CN106790934A (en) * | 2016-12-30 | 2017-05-31 | 马鞍山佳鼎通信科技有限公司 | A kind of mobile microphone input speech harmonics signal filtering control circuit |
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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: 20160831 Termination date: 20170122 |