CN203225712U - Satellite signal splitter circuit with double output ends - Google Patents
Satellite signal splitter circuit with double output ends Download PDFInfo
- Publication number
- CN203225712U CN203225712U CN 201320293691 CN201320293691U CN203225712U CN 203225712 U CN203225712 U CN 203225712U CN 201320293691 CN201320293691 CN 201320293691 CN 201320293691 U CN201320293691 U CN 201320293691U CN 203225712 U CN203225712 U CN 203225712U
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- Prior art keywords
- inductance
- capacitor
- electric capacity
- inductor
- splitter circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a satellite signal splitter circuit with double output ends. The satellite signal splitter circuit is composed of a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a first inductor, a second inductor and a third inductor. The first inductor, the second inductor and the third inductor are in series connection, the first capacitor is connected between the first inductor and a ground wire in series, the second capacitor is connected between the third inductor and the ground wire in series, a signal input end is connected with the middle part of the second inductor, one end of the third capacitor is connected with the middle part of the first inductor, and the other end of the third capacitor is used as the first output end. One end of the fourth capacitor is connected with the middle part of the third inductor, and the other end of the fourth capacitor is used as the second output end. The satellite signal splitter circuit has the advantages that the capacitors are arranged between the grounding end and the output ends, a filter effect is achieved, and interference resistance of the satellite signal splitter circuit is improved.
Description
Technical field
The utility model relates to satellite CATV technical field, particularly a kind of dual output end satellite-signal splitter circuit.
Background technology
Popular along with satellite television service, the satellite-signal receiving equipment is popularized by beginning slowly, the satellite-signal splitter circuit of prior art directly utilizes the inductance mutual inductance to distribute as the multichannel of carrying out signal, therefore, its poor anti jamming capability, if run into when thunder and lightning is electric or outside high voltage interference, fluctuation can appear in TV signal, causes television image fuzzy.
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 dual output end satellite-signal splitter circuit.
(2) technical scheme
For achieving the above object, dual output end satellite-signal splitter circuit of the present utility model, by first electric capacity, second electric capacity, the 3rd electric capacity, the 4th electric capacity, first inductance, second inductance and the 3rd inductance are formed, described first inductance, described second inductance and described the 3rd inductance are connected in series, described first electric capacity of series connection between described first inductance and the ground wire, described second electric capacity of series connection between described the 3rd inductance and the ground wire, connect signal input part in the middle of described second inductance, described the 3rd electric capacity one end connects in the middle of described first inductance, the other end is as first output, described the 4th electric capacity one end connects in the middle of described the 3rd inductance, and the other end is as second output.
Further, described first electric capacity is identical with the capacitance of described second electric capacity.
Further, described the 3rd electric capacity is identical with the capacitance of described the 4th electric capacity.
(3) beneficial effect
Compared with prior art, the technical solution of the utility model has the following advantages: be provided with electric capacity at earth terminal and output, play filter action, improved satellite-signal splitter circuit antijamming capability.
Description of drawings
Fig. 1 is the circuit theory schematic diagram of the utility model dual output end satellite-signal splitter circuit.
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, dual output end satellite-signal splitter circuit of the present utility model, by first capacitor C 1, second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, first inductance L 1, second inductance L 2 and the 3rd inductance L 3 are formed, described first inductance L 1, described second inductance L 2 and described the 3rd inductance L 3 are connected in series, described first capacitor C 1 of series connection between described first inductance L 1 and the ground wire, described second capacitor C 2 of series connection between described the 3rd inductance L 3 and the ground wire, connect signal input part in the middle of described second inductance L 2, described the 3rd capacitor C 3 one ends connect in the middle of described first inductance L 1, the other end is as first output, described the 4th capacitor C 4 one ends connect in the middle of described the 3rd inductance L 3, and the other end is as second output.
Described first capacitor C 1 is identical with the capacitance of described second capacitor C 2, and described the 3rd capacitor C 3 is identical with the capacitance of described the 4th capacitor C 4.The design of this electric capacity can guarantee that output has identical filter capacity, and the signal frequency of output is consistent.
The satellite-signal splitter circuit that dual output end satellite-signal splitter circuit of the present utility model overcomes prior art does not have filter circuit, the defective of poor anti jamming capability, be provided with electric capacity at earth terminal and output, play filter action, improved satellite-signal splitter circuit antijamming capability.
In sum, above-mentioned execution mode is not to be 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. dual output end satellite-signal splitter circuit, it is characterized in that: by first electric capacity, second electric capacity, the 3rd electric capacity, the 4th electric capacity, first inductance, second inductance and the 3rd inductance are formed, described first inductance, described second inductance and described the 3rd inductance are connected in series, described first electric capacity of series connection between described first inductance and the ground wire, described second electric capacity of series connection between described the 3rd inductance and the ground wire, connect signal input part in the middle of described second inductance, described the 3rd electric capacity one end connects in the middle of described first inductance, the other end is as first output, described the 4th electric capacity one end connects in the middle of described the 3rd inductance, and the other end is as second output.
2. dual output end satellite-signal splitter circuit 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. dual output end satellite-signal splitter circuit as claimed in claim 1, it is characterized in that: described the 3rd electric capacity is identical with the capacitance of described the 4th electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320293691 CN203225712U (en) | 2013-05-24 | 2013-05-24 | Satellite signal splitter circuit with double output ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320293691 CN203225712U (en) | 2013-05-24 | 2013-05-24 | Satellite signal splitter circuit with double output ends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203225712U true CN203225712U (en) | 2013-10-02 |
Family
ID=49252702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320293691 Expired - Fee Related CN203225712U (en) | 2013-05-24 | 2013-05-24 | Satellite signal splitter circuit with double output ends |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203225712U (en) |
-
2013
- 2013-05-24 CN CN 201320293691 patent/CN203225712U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20200524 |