CN204334793U - MoCA allotter circuit - Google Patents
MoCA allotter circuit Download PDFInfo
- Publication number
- CN204334793U CN204334793U CN201520051727.2U CN201520051727U CN204334793U CN 204334793 U CN204334793 U CN 204334793U CN 201520051727 U CN201520051727 U CN 201520051727U CN 204334793 U CN204334793 U CN 204334793U
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- Prior art keywords
- electric capacity
- magnetic core
- coiling magnetic
- output
- resistance
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Abstract
The utility model discloses a kind of MoCA allotter circuit, comprises input, output one and output two, and this circuit is made up of the first coiling magnetic core, the second coiling magnetic core, the first resistance, the second resistance, the first to the 6th electric capacity and inductor; Described first electric capacity two ends connect one end of input and the first coiling magnetic core respectively; Described first coiling magnetic core and the electrical connection of the second coiling magnetic core, form public connecting end, and meanwhile, described second electric capacity one end connects public connecting end, other end ground connection; Described second coiling magnetic core one end be connected described 4th electric capacity between output one, described 6th electric capacity is connected between the other end with output two, meanwhile, described 3rd electric capacity, the first resistance, inductor, the second resistance and the 5th capacitances in series are at the two ends of the second coiling magnetic core.The utility model improves anti-lightning strike, reduces reflection loss, improves the isolating power of MoCA frequency range between output, prevents distorted signals.
Description
Technical field
The utility model relates to wired television signal system technical field, particularly a kind of MoCA allotter circuit.
Background technology
The MoCA allotter circuit of prior art lacks anti-lightning strike ability, and reflection loss is larger, once occur causing induced voltage because of thunder and lightning, can cause signal serious distortion.
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 MoCA allotter circuit.
(2) technical scheme
For achieving the above object, MoCA allotter circuit of the present utility model, comprises input, output one and output two, and this circuit is made up of the first coiling magnetic core, the second coiling magnetic core, the first resistance, the second resistance, the first to the 6th electric capacity and inductor; Described first electric capacity two ends connect one end of input and the first coiling magnetic core respectively; Described first coiling magnetic core and the electrical connection of the second coiling magnetic core, form public connecting end, and meanwhile, described second electric capacity one end connects public connecting end, other end ground connection; Described second coiling magnetic core one end be connected described 4th electric capacity between output one, described 6th electric capacity is connected between the other end with output two, meanwhile, described 3rd electric capacity, the first resistance, inductor, the second resistance and the 5th capacitances in series are at the two ends of the second coiling magnetic core.
Further, described first coiling magnetic core other end ground connection.
Further, described inductor is made up of the first inductance and the 7th Capacitance parallel connection.
Further, described first electric capacity, the 4th electric capacity and the 6th electric capacity are high voltage bearing ceramic condenser.
(3) beneficial effect
Compared with prior art, the technical solution of the utility model has the following advantages: improve anti-lightning strike, reduces reflection loss, improves the isolating power of MoCA frequency range between output, prevents distorted signals.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of MoCA allotter circuit of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, MoCA allotter circuit of the present utility model, comprise input, output one and output two, this circuit is made up of the first coiling magnetic core T1, the second coiling magnetic core T2, the first resistance R1, the second resistance R2, the first to the 6th electric capacity C6 and inductor; Described first electric capacity C1 two ends connect one end of input and the first coiling magnetic core T1 respectively; Described first coiling magnetic core T1 and the second coiling magnetic core T2 is electrically connected, and forms public connecting end, and meanwhile, described second electric capacity C2 one end connects public connecting end, other end ground connection; Described second coiling magnetic core T2 one end be connected described 4th electric capacity C4 between output one, described 6th electric capacity C6 is connected between the other end with output two, meanwhile, described 3rd electric capacity C3, the first resistance R1, inductor, the second resistance R2 and the 5th electric capacity C5 are connected on the two ends of the second coiling magnetic core T2.
Described first coiling magnetic core T1 other end ground connection.
Described inductor is composed in parallel by the first inductance L 1 and the 7th electric capacity C7, coordinates resistance, improves the frequency range isolating power between output.
Described first electric capacity C1, the 4th electric capacity C4 and the 6th electric capacity C6 are high voltage bearing ceramic condenser, and object is to improve anti-lightning strike ability.
The utility model arranges diplopore coiling magnetic core, i.e. the first and second coiling magnetic cores, improve the isolation of MoCA frequency range, reduce reflection loss, at each port, ceramic condenser is set, improve anti-lightning strike ability, coordinate resistance and inductance simultaneously, reduce further the isolating power of the MoCA frequency range between output.
In sum, above-mentioned execution mode is not 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, all at technology category of the present utility model.
Claims (4)
1. a MoCA allotter circuit, comprises input, output one and output two, it is characterized in that: this circuit is made up of the first coiling magnetic core, the second coiling magnetic core, the first resistance, the second resistance, the first to the 6th electric capacity and inductor; Described first electric capacity two ends connect one end of input and the first coiling magnetic core respectively; Described first coiling magnetic core and the electrical connection of the second coiling magnetic core, form public connecting end, and meanwhile, described second electric capacity one end connects public connecting end, other end ground connection; Described second coiling magnetic core one end be connected described 4th electric capacity between output one, described 6th electric capacity is connected between the other end with output two, meanwhile, described 3rd electric capacity, the first resistance, inductor, the second resistance and the 5th capacitances in series are at the two ends of the second coiling magnetic core.
2. MoCA allotter circuit as claimed in claim 1, is characterized in that: described first coiling magnetic core other end ground connection.
3. MoCA allotter circuit as claimed in claim 2, is characterized in that: described inductor is made up of the first inductance and the 7th Capacitance parallel connection.
4. MoCA allotter circuit as claimed in claim 3, is characterized in that: described first electric capacity, the 4th electric capacity and the 6th electric capacity are high voltage bearing ceramic condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051727.2U CN204334793U (en) | 2015-01-26 | 2015-01-26 | MoCA allotter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051727.2U CN204334793U (en) | 2015-01-26 | 2015-01-26 | MoCA allotter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204334793U true CN204334793U (en) | 2015-05-13 |
Family
ID=53171097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520051727.2U Expired - Fee Related CN204334793U (en) | 2015-01-26 | 2015-01-26 | MoCA allotter circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204334793U (en) |
-
2015
- 2015-01-26 CN CN201520051727.2U patent/CN204334793U/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: 20150513 Termination date: 20210126 |