CN205490439U - Cell -phone originating node LC filter circuit - Google Patents
Cell -phone originating node LC filter circuit Download PDFInfo
- Publication number
- CN205490439U CN205490439U CN201620031187.6U CN201620031187U CN205490439U CN 205490439 U CN205490439 U CN 205490439U CN 201620031187 U CN201620031187 U CN 201620031187U CN 205490439 U CN205490439 U CN 205490439U
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- Prior art keywords
- electric capacity
- inductance
- filter circuit
- utility
- model
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- Telephone Function (AREA)
Abstract
The utility model provides a cell -phone originating node LC filter circuit which includes first electric capacity, second electric capacity, third electric capacity, fourth electric capacity to reach first inductance, second inductance, third inductance, wherein first electric capacity and the 2nd capacitance parallel connection, an inductance, the 2nd inductance, the 3rd parallel inductor, first electric capacity is connected the one end of first inductance, second inductance, third inductance and is connected with the voltage input end with the one end of second electric capacity, first electric capacity is connected with the other end of second electric capacity the one end of third electric capacity, the other end of third electric capacity, the one end of fourth electric capacity are connected the other end of first inductance, second inductance, third inductance, the other end of fourth electric capacity is held for voltage output. The utility model provides a cell -phone originating node LC filter circuit passes through multiunit inductance and electric capacity, and furthest will simulate the harmonic part filtering among the speech signal, maximum assurance speech quality.
Description
Technical field
This utility model relates to mobile phone speech communicating tech field, particularly a kind of mobile phone speech call LC filter
Wave circuit.
Background technology
The filter circuit that the mobile phone speech call that prior art provides uses can not sufficiently filter harmonic,
Speech quality is greatly affected.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of mobile phone speech call LC filter circuit,
It includes the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, and the first inductance, the second inductance,
3rd inductance, wherein said first electric capacity and the second electric capacity are in parallel, described first inductance, the second inductance, the
Three inductance in parallels, one end of described first electric capacity and the second electric capacity connect the first inductance, the second inductance, the 3rd
One end of inductance is also connected with voltage input end, and the other end of described first electric capacity and the second electric capacity connects described
One end of 3rd electric capacity, the other end of described 3rd electric capacity, the 4th electric capacity one end connect described first inductance,
Second inductance, the other end of the 3rd inductance, the other end of described 4th electric capacity is voltage output end.
It is preferred that the capacitance of described first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity is respectively
10uf。
It is preferred that described first inductance, the second inductance, the 100uH of the 3rd inductance.
This utility model has the advantages that
The mobile phone speech call LC filter circuit that this utility model provides is by many group inductance and electric capacity, maximum limit
Being filtered by the harmonic in analog voice signal of degree, farthest ensures speech quality.
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 mobile phone speech call LC filter circuit construction 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 provides a kind of mobile phone speech call LC filter circuit, it include the first electric capacity C1, the
Two electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, and the first inductance L1, the second inductance L2, the 3rd
Inductance L3, wherein the first electric capacity C1 and the second electric capacity C2 are in parallel, the first inductance L1, the second inductance L2, the
Three inductance L3 are in parallel, and one end of the first electric capacity C1 and the second electric capacity C2 connects the first inductance L1, the second inductance
L2, one end of the 3rd inductance L3 are also connected with voltage input end, and the first electric capacity C1's and the second electric capacity C2 is another
One end connects one end of the 3rd electric capacity C3, and the other end of the 3rd electric capacity C3, one end of the 4th electric capacity C4 connect
First inductance L1, the second inductance L2, the other end of the 3rd inductance L3, the other end of the 4th electric capacity C4 is electricity
Pressure outfan.
First electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the capacitance of the 4th electric capacity C4 are respectively 10uf.
First inductance L1, the second inductance L2, the 100uH of the 3rd inductance L3.
The mobile phone speech call LC filter circuit that this utility model provides is by many group inductance and electric capacity, maximum limit
Being filtered by the harmonic in analog voice signal of degree, farthest ensures speech quality.
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 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 mobile phone speech call LC filter circuit, it is characterised in that include the first electric capacity, the second electricity
Appearance, the 3rd electric capacity, the 4th electric capacity, and the first inductance, the second inductance, the 3rd inductance, wherein said
One electric capacity and the second electric capacity are in parallel, described first inductance, the second inductance, the 3rd inductance in parallel, and described first
One end of electric capacity and the second electric capacity connects the first inductance, the second inductance, one end of the 3rd inductance defeated with voltage
Entering end to connect, the other end of described first electric capacity and the second electric capacity connects one end of described 3rd electric capacity, described
The other end of the 3rd electric capacity, one end of the 4th electric capacity connect described first inductance, the second inductance, the 3rd inductance
The other end, the other end of described 4th electric capacity is voltage output end.
2. mobile phone speech call LC filter circuit as claimed in claim 1, it is characterised in that described the
One electric capacity, the second electric capacity, the 3rd electric capacity, the capacitance of the 4th electric capacity are respectively 10uf.
3. mobile phone speech call LC filter circuit as claimed in claim 1, it is characterised in that described the
One inductance, the second inductance, the 100uH of the 3rd inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620031187.6U CN205490439U (en) | 2016-01-11 | 2016-01-11 | Cell -phone originating node LC filter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620031187.6U CN205490439U (en) | 2016-01-11 | 2016-01-11 | Cell -phone originating node LC filter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205490439U true CN205490439U (en) | 2016-08-17 |
Family
ID=56668480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620031187.6U Expired - Fee Related CN205490439U (en) | 2016-01-11 | 2016-01-11 | Cell -phone originating node LC filter circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205490439U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533381A (en) * | 2016-12-31 | 2017-03-22 | 马鞍山格尚智能装备有限公司 | Amplifier circuit based on improving volume information transmission |
| CN107612298A (en) * | 2017-09-28 | 2018-01-19 | 航天科技控股集团股份有限公司 | Conduct filter circuit |
-
2016
- 2016-01-11 CN CN201620031187.6U patent/CN205490439U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533381A (en) * | 2016-12-31 | 2017-03-22 | 马鞍山格尚智能装备有限公司 | Amplifier circuit based on improving volume information transmission |
| CN107612298A (en) * | 2017-09-28 | 2018-01-19 | 航天科技控股集团股份有限公司 | Conduct filter 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 |