CN205490452U - Computer audio output filter circuit - Google Patents
Computer audio output filter circuit Download PDFInfo
- Publication number
- CN205490452U CN205490452U CN201620031105.8U CN201620031105U CN205490452U CN 205490452 U CN205490452 U CN 205490452U CN 201620031105 U CN201620031105 U CN 201620031105U CN 205490452 U CN205490452 U CN 205490452U
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- Prior art keywords
- resistance
- electric capacity
- connects
- filter circuit
- computer audio
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Abstract
The utility model provides a computer audio output filter circuit, it includes and is first electric capacity, second electric capacity, third electric capacity, fourth electric capacity, the 5th electric capacity, the 6th electric capacity respectively by six electric capacity that six resistance are first resistance, second resistance, third resistance, fourth resistance, the 5th resistance, the 6th resistance respectively to and amplifier. The utility model discloses can be effectual with higher harmonic and other interference wave filterings, guaranteed computer audio output's tone quality quality.
Description
Technical field
The present invention relates to computer technology field, particularly a kind of computer audio frequency output filter circuit.
Background technology
The computer that prior art provides all has audio output function, owing to the interference of electronics is more, output
Audio quality is poor, now needs to provide a kind of filter circuit that can be filtered by major part harmonic signal.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of computer audio frequency output filter circuit, its
Including six electric capacity, the respectively first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity,
6th electric capacity, six resistance, the respectively first resistance, the second resistance, the 3rd resistance, the 4th resistance,
Five resistance, the 6th resistance, and an amplifier；
Wherein first electric capacity one end connects Vcc, and the other end connects one end of described first resistance, described first electricity
The other end of resistance connects the second resistance, the 3rd resistance and one end of the second electric capacity, described second electric capacity respectively
The other end connect input signal, the other end ground connection of described 3rd resistance, the other end of described second resistance
Connecting the 3rd electric capacity, one end of the 4th electric capacity, the other end of described 3rd electric capacity connects signal output part, institute
The other end stating the 4th electric capacity connects one end of the 4th resistance, the input in the same direction of amplifier, described 4th electricity
The other end ground connection of resistance, the reverse input end of described amplifier connects the 5th resistance, one end of the 6th resistance,
The other end of described 5th resistance connects one end of the 6th electric capacity, the other end ground connection of described 6th electric capacity, institute
The other end stating the 6th resistance connects one end of the 5th electric capacity, and described 5th electric capacity, amplifier out connect
Outfan as filter circuit.
It is preferred that described first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity,
The capacitance of six electric capacity is respectively 100uf.
It is preferred that described first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance,
The resistance value of six resistance is respectively 1K Ω.
This utility model has the advantages that
Higher hamonic wave can effectively be filtered by this utility model with other interference ripples, it is ensured that computer audio frequency is defeated
The psycho-acoustical quality gone out.
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 computer audio frequency output filter circuit structural representation 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 computer audio frequency output filter circuit, and it includes six electric capacity,
Be respectively the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5,
6th electric capacity C6, six resistance, the respectively first resistance R1, the second resistance R2, the 3rd resistance R3,
Four resistance R4, the 5th resistance R5, the 6th resistance R6, and an amplifier；
Wherein first electric capacity C1 one end connects Vcc, and the other end connects one end of the first resistance R1, the first resistance
The other end of R1 connects the second resistance R2, the 3rd resistance R3 and one end of the second electric capacity C2 respectively, and second
The other end of electric capacity C2 connects input signal, and the other end ground connection of the 3rd resistance R3, the second resistance R2's is another
One end connects the 3rd electric capacity C3, one end of the 4th electric capacity C4, and it is defeated that the other end of the 3rd electric capacity C3 connects signal
Going out end, the other end of the 4th electric capacity C4 connects one end of the 4th resistance R4, the input in the same direction of amplifier,
The other end ground connection of the 4th resistance R4, the reverse input end of described amplifier connects the 5th resistance R5, the 6th electricity
One end of resistance R6, the other end of the 5th resistance R5 connects one end of the 6th electric capacity C6, the 6th electric capacity C6's
Other end ground connection, the other end of the 6th resistance R6 connects one end of the 5th electric capacity C5, the 5th electric capacity C5, puts
Big device outfan connects the outfan as filter circuit.
Wherein the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5,
6th electric capacity C6 is respectively 100uf；First resistance R1, the second resistance R2, the 3rd resistance R3, the 4th electricity
Resistance R4, the 5th resistance R5, the resistance value of the 6th resistance R6 are respectively 1K Ω.
This utility model preferred embodiment disclosed above is only intended to help to illustrate this utility model.The most real
Execute example and do not have all of details of detailed descriptionthe, be also not intended to the specific embodiment party that this utility model is only described
Formula.Obviously, according to the content of this specification, can make many modifications and variations.This specification is chosen and has
Body describes these embodiments, is to preferably explain principle of the present utility model and actual application, so that
Skilled artisan can be best understood by and utilize this utility model.This utility model is only by right
Claim and four corner thereof and the restriction of equivalent.
Claims (3)
1. a computer audio frequency output filter circuit, it is characterised in that include six electric capacity, respectively first
Electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, six resistance, point
It is not the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, and
One amplifier；
Wherein first electric capacity one end connects Vcc, and the other end connects one end of described first resistance, described first electricity
The other end of resistance connects the second resistance, the 3rd resistance and one end of the second electric capacity, described second electric capacity respectively
The other end connect input signal, the other end ground connection of described 3rd resistance, the other end of described second resistance
Connecting the 3rd electric capacity, one end of the 4th electric capacity, the other end of described 3rd electric capacity connects signal output part, institute
The other end stating the 4th electric capacity connects one end of the 4th resistance, the input in the same direction of amplifier, described 4th electricity
The other end ground connection of resistance, the reverse input end of described amplifier connects the 5th resistance, one end of the 6th resistance,
The other end of described 5th resistance connects one end of the 6th electric capacity, the other end ground connection of described 6th electric capacity, institute
The other end stating the 6th resistance connects one end of the 5th electric capacity, and described 5th electric capacity, amplifier out connect
Outfan as filter circuit.
2. computer audio frequency output filter circuit as claimed in claim 1, it is characterised in that described first electricity
Appearance, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the capacitance of the 6th electric capacity are respectively 100uf.
3. computer audio frequency output filter circuit as claimed in claim 1, it is characterised in that described first electricity
Resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the resistance value of the 6th resistance are respectively 1K
Ω。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620031105.8U CN205490452U (en) | 2016-01-11 | 2016-01-11 | Computer audio output filter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620031105.8U CN205490452U (en) | 2016-01-11 | 2016-01-11 | Computer audio output filter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205490452U true CN205490452U (en) | 2016-08-17 |
Family
ID=56668512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620031105.8U Expired - Fee Related CN205490452U (en) | 2016-01-11 | 2016-01-11 | Computer audio output filter circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205490452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507247A (en) * | 2016-12-31 | 2017-03-15 | 马鞍山格尚智能装备有限公司 | A kind of large-scale stereo set volume playing circuit |
-
2016
- 2016-01-11 CN CN201620031105.8U patent/CN205490452U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507247A (en) * | 2016-12-31 | 2017-03-15 | 马鞍山格尚智能装备有限公司 | A kind of large-scale stereo set volume playing 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 |
Granted publication date: 20160817 Termination date: 20170111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |