CN203243442U - Dual-output-end distributor circuit - Google Patents
Dual-output-end distributor circuit Download PDFInfo
- Publication number
- CN203243442U CN203243442U CN 201320293761 CN201320293761U CN203243442U CN 203243442 U CN203243442 U CN 203243442U CN 201320293761 CN201320293761 CN 201320293761 CN 201320293761 U CN201320293761 U CN 201320293761U CN 203243442 U CN203243442 U CN 203243442U
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- electric capacity
- inductance
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- output
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Abstract
The utility model discloses a dual-output-end distributor circuit which is composed of a first inductor, a second inductor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor and a resistor. The dual-output-end distributor circuit has the characteristic that the signal filtering capability of a distributor is improved and signal output is more stable due to the fact that a plurality of capacitors are arranged on output ends and a grounding end.
Description
Technical field
The utility model includes the cable TV system equipment technical field, particularly a kind of double output ends allotter circuit.
Background technology
The allotter circuit of prior art adopts the mutual inductance function of inductance that input signal is divided into a plurality of output signals, its output and earth terminal often do not arrange electric capacity and improve its filter effect, what therefore, the distributor of prior art was done aspect signal output stable is not ideal enough.
The utility model content
The technical problem that (one) will solve
The purpose of this utility model will overcome above-mentioned shortcoming exactly, aims to provide a kind of double output ends allotter circuit.
(2) technical scheme
For achieving the above object, double output ends allotter circuit of the present utility model, by the first inductance, the second inductance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity and resistance form, link to each other in the middle of described the first inductance with in the middle of described the second inductance, and connect respectively between connecting place and the ground wire described the 4th electric capacity and described the 5th electric capacity, one end of described the first electric capacity is as input, the other end connects an end of described the first inductance, the other end ground connection of described the first inductance, one end of described the second electric capacity connects an end of described the second inductance, the other end is as the first output, described the 3rd electric capacity one end connects the other end of described the second inductance, the other end of described the 3rd electric capacity is as the second output, described resistance and described the second inductance in parallel.
Further, described the second electric capacity is identical with the capacitance of described the 3rd electric capacity.
Further, the capacitance of described the 4th electric capacity and described the 5th electric capacity is all between 0.5PF to 1.5PF.
(3) beneficial effect
Compared with prior art, the technical solution of the utility model has the following advantages: be provided with a plurality of electric capacity at output and ground, improved the filter capacity of distributor to signal, make signal output more stable.
Description of drawings
Fig. 1 is the circuit theory schematic diagram of the utility model double output ends allotter 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, double output ends allotter circuit of the present utility model, by the first inductance L 1, the second inductance L 2, the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the 5th capacitor C 5 and resistance R 1 form, link to each other in the middle of described the first inductance L 1 with in the middle of described the second inductance L 2, and connect respectively between connecting place and the ground wire described the 4th capacitor C 4 and described the 5th capacitor C 5, one end of described the first capacitor C 1 is as input, the other end connects an end of described the first inductance L 1, the other end ground connection of described the first inductance L 1, one end of described the second capacitor C 2 connects an end of described the second inductance L 2, the other end is as the first output, described the 3rd capacitor C 3 one ends connect the other end of described the second inductance L 2, the other end of described the 3rd capacitor C 3 is as the second output, and described resistance R 1 is in parallel with described the second inductance L 2.
Described the second capacitor C 2 is identical with the capacitance of described the 3rd capacitor C 3, and the design of this electric capacity can guarantee that two outputs have identical filter capacity, are consistent the signal frequency of two outputs.
The capacitance of described the 4th capacitor C 4 and described the 5th capacitor C 5 all between 0.5PF to 1.5PF, is effectively removed the clutter of the non-TV signal of instantaneous generation.
Double output ends allotter circuit of the present utility model has overcome and has lacked filter function in the prior art, the defective of poor anti jamming capability, be provided with a plurality of electric capacity at output and ground, improved the filter capacity of distributor to signal, make signal output more stable, earth terminal is designed to many electric capacity, can effectively remove the clutter of different frequency range.
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. double output ends allotter circuit, it is characterized in that: by the first inductance, the second inductance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity and resistance form, link to each other in the middle of described the first inductance with in the middle of described the second inductance, and connect respectively between connecting place and the ground wire described the 4th electric capacity and described the 5th electric capacity, one end of described the first electric capacity is as input, the other end connects an end of described the first inductance, the other end ground connection of described the first inductance, one end of described the second electric capacity connects an end of described the second inductance, the other end is as the first output, described the 3rd electric capacity one end connects the other end of described the second inductance, the other end of described the 3rd electric capacity is as the second output, described resistance and described the second inductance in parallel.
2. double output ends allotter circuit as claimed in claim 1, it is characterized in that: described the second electric capacity is identical with the capacitance of described the 3rd electric capacity.
3. double output ends allotter circuit as claimed in claim 1, it is characterized in that: the capacitance of described the 4th electric capacity and described the 5th electric capacity is all between 0.5PF to 1.5PF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320293761 CN203243442U (en) | 2013-05-24 | 2013-05-24 | Dual-output-end distributor circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320293761 CN203243442U (en) | 2013-05-24 | 2013-05-24 | Dual-output-end distributor circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203243442U true CN203243442U (en) | 2013-10-16 |
Family
ID=49320695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320293761 Expired - Fee Related CN203243442U (en) | 2013-05-24 | 2013-05-24 | Dual-output-end distributor circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203243442U (en) |
-
2013
- 2013-05-24 CN CN 201320293761 patent/CN203243442U/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: 20131016 Termination date: 20200524 |