CN203219258U - Splitter circuit capable of filtering noise waves - Google Patents
Splitter circuit capable of filtering noise waves Download PDFInfo
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- CN203219258U CN203219258U CN 201320289013 CN201320289013U CN203219258U CN 203219258 U CN203219258 U CN 203219258U CN 201320289013 CN201320289013 CN 201320289013 CN 201320289013 U CN201320289013 U CN 201320289013U CN 203219258 U CN203219258 U CN 203219258U
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- inductance
- electric capacity
- capacitor
- splitter circuit
- transformer
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Abstract
The utility model discloses a splitter circuit capable of filtering noise waves. The splitter circuit comprises a first transformer, a second transformer, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor and a resistor. The first transformer comprises a first inductor and a second inductor, and the second transformer comprises a third inductor and a fourth inductor. The splitter circuit has the advantages that the splitter circuit has a filtering function, and the anti-interference capacity of the splitter circuit is improved.
Description
Technical field
The utility model includes the cable TV system equipment technical field, particularly a kind of splitter circuit that can filter clutter.
Background technology
The splitter circuit output end of prior art often directly is connected transformer inductance with input, and therefore, this splitter filter effect is poor, and its branch end also lacks filter effect, therefore is subjected to the interference of environmental change easily, and practical effect is undesirable.
The utility model content
(1) technical problem that will solve
The purpose of this utility model will overcome above-mentioned shortcoming exactly, aims to provide a kind of splitter circuit that can filter clutter.
(2) technical scheme
For achieving the above object, the splitter circuit that can filter clutter of the present utility model, by first transformer, second transformer, first electric capacity, second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity and resistance are formed, described first transformer comprises first inductance and second inductance, described second transformer comprises the 3rd inductance and the 4th inductance, the input of described first inductance described first electric capacity of connecting, output described second electric capacity of connecting, described second inductance, one end and described the 3rd inductance one end common ground, the described second inductance other end connects described the 4th inductance one end, described the 3rd inductance other end connects described first inductance output end, described the 4th electric capacity, described the 5th electric capacity and described the 6th electric capacity are connected in parallel, and two ends, back in parallel connect described the 4th inductance one end and ground wire respectively, connect between described the 4th inductance other end and the branch end described resistance and described the 3rd electric capacity.
Further, described first electric capacity is identical with the capacitance of described second electric capacity.
Further, the capacitance of described the 4th electric capacity, described the 5th electric capacity and described the 6th electric capacity is respectively 0.5PF, 1PF and 1.5PF.
(3) beneficial effect
Compared with prior art, the technical solution of the utility model has the following advantages: increased filter function, improved antijamming capability.
Description of drawings
Fig. 1 can filter the circuit theory diagrams of the splitter circuit of clutter for the utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, the splitter circuit that can filter clutter of the present utility model, by the first transformer T1, the second transformer T2, first capacitor C 1, second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the 5th capacitor C 5, the 6th capacitor C 6 and resistance R 1 are formed, the described first transformer T1 comprises first inductance L 1 and second inductance L 2, the described second transformer T2 comprises the 3rd inductance L 3 and the 4th inductance L 4, the input of described first inductance L 1 described first capacitor C 1 of connecting, output described second capacitor C 2 of connecting, described second inductance L, 2 one ends and described the 3rd inductance L 3 one end common grounds, described second inductance L, 2 other ends connect described the 4th inductance L 4 one ends, described the 3rd inductance L 3 other ends connect described first inductance L, 1 output, described the 4th capacitor C 4, described the 5th capacitor C 5 and described the 6th capacitor C 6 are connected in parallel, and two ends, back in parallel connect described the 4th inductance L 4 one ends and ground wire respectively, connect between described the 4th inductance L 4 other ends and the branch end described resistance R 1 and described the 3rd capacitor C 3.
Described first capacitor C 1 is identical with the capacitance of described second capacitor C 2, makes output and input have identical filter capacity and antijamming capability.
The capacitance of described the 4th capacitor C 4, described the 5th capacitor C 5 and described the 6th capacitor C 6 is respectively 0.5PF, 1PF and 1.5PF, is used for filtering the clutter of the different frequency range of instantaneous generation.
The splitter circuit that can filter clutter of the present utility model has overcome does not have filter function in the prior art, the defective that causes poor anti jamming capability, input, output and branch end all are provided with electric capacity, be provided with the 4th capacitor C 4, the 5th capacitor C 5, the 6th capacitor C 6 of low appearance value between the 4th inductance L 4 and the ground wire, filter the clutter of the different frequency range of instantaneous generation, improved antijamming capability.
In sum, the non-of above-mentioned execution mode is restricted execution mode of the present utility model, and the modification that all those skilled in the art carry out on the basis of flesh and blood of the present utility model or equivalent deformation are all at technology category of the present utility model.
Claims (3)
1. splitter circuit that can filter clutter, it is characterized in that: by first transformer, second transformer, first electric capacity, second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity and resistance are formed, described first transformer comprises first inductance and second inductance, described second transformer comprises the 3rd inductance and the 4th inductance, the input of described first inductance described first electric capacity of connecting, output described second electric capacity of connecting, described second inductance, one end and described the 3rd inductance one end common ground, the described second inductance other end connects described the 4th inductance one end, described the 3rd inductance other end connects described first inductance output end, described the 4th electric capacity, described the 5th electric capacity and described the 6th electric capacity are connected in parallel, and two ends, back in parallel connect described the 4th inductance one end and ground wire respectively, connect between described the 4th inductance other end and the branch end described resistance and described the 3rd electric capacity.
2. the splitter circuit that can filter clutter as claimed in claim 1, it is characterized in that: described first electric capacity is identical with the capacitance of described second electric capacity.
3. the splitter circuit that can filter clutter as claimed in claim 1, it is characterized in that: the capacitance of described the 4th electric capacity, described the 5th electric capacity and described the 6th electric capacity is respectively 0.5pF, 1pF and 1.5pF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320289013 CN203219258U (en) | 2013-05-22 | 2013-05-22 | Splitter circuit capable of filtering noise waves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320289013 CN203219258U (en) | 2013-05-22 | 2013-05-22 | Splitter circuit capable of filtering noise waves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203219258U true CN203219258U (en) | 2013-09-25 |
Family
ID=49208759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320289013 Expired - Fee Related CN203219258U (en) | 2013-05-22 | 2013-05-22 | Splitter circuit capable of filtering noise waves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203219258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322133A (en) * | 2017-07-07 | 2017-11-07 | 佛山市巨电机电制造有限公司 | A kind of arc static circuit of electric welding machine |
-
2013
- 2013-05-22 CN CN 201320289013 patent/CN203219258U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322133A (en) * | 2017-07-07 | 2017-11-07 | 佛山市巨电机电制造有限公司 | A kind of arc static circuit of electric welding machine |
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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: 20130925 Termination date: 20200522 |