CN205961072U - Network filter that S type constructs around line knot - Google Patents
Network filter that S type constructs around line knot Download PDFInfo
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- CN205961072U CN205961072U CN201620945728.6U CN201620945728U CN205961072U CN 205961072 U CN205961072 U CN 205961072U CN 201620945728 U CN201620945728 U CN 201620945728U CN 205961072 U CN205961072 U CN 205961072U
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- frequency noise
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- 238000002955 isolation Methods 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 20
- 230000008054 signal transmission Effects 0.000 claims abstract description 9
- 230000005764 inhibitory process Effects 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 230000009977 dual effect Effects 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract 4
- 239000011120 plywood Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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- Coils Or Transformers For Communication (AREA)
- Filters And Equalizers (AREA)
Abstract
The utility model discloses a network filter that S type constructs around line knot, including the PCB board, arranged several common mode rejection unit, several high frequency noise filtering unit, several signal coupled and electric isolation unit on the PCB board, the PCB board include top layer board and bottom board, the common mode rejection unit, high frequency noise filtering unit and signal coupled and electric isolation unit equipartition are put on the top layer board, be located the wire winding A that signal input terminal on the bottom board connects S type structure on the bottom board, the reach the summit wire winding B of the S type structure on the plywood of wire winding A end -to -end connection, wire winding B's end -to -end connection to the input of common mode rejection unit, the output of common mode rejection unit is connected to the input of high frequency noise filtering unit and the input of signal coupled and electric isolation unit simultaneously, the output of signal coupled and electric isolation unit is connected to on the signal output terminal, ground terminal is connected to the output of high frequency noise filtering unit. The utility model discloses a network filter, the PCB board adopts the wire -wound wiring mode of S type, effectively improves the distorting phenomenon among the signal transmission process.
Description
Technical field
This utility model belongs to signal processing technology field and in particular to a kind of network filter of S type winding structure.
Background technology
Network filter is a kind of magnet assembly connecting between Ethernet transceiving chip and terminal device interface, acts primarily as
The effects such as signal transmission, impedance matching, waveform reparation, noise suppression and electrical isolation.The quality characteristic of network filter is straight
Connect the performance of impact whole network Transmission system.PCB construction network filter at this stage, PCB layout adopts straight line isometric, its
Signal transmission cross talk effects are larger, and distorted signals are serious, and signaling rate is slow.
Utility model content
The purpose of this utility model is：Problem present in network filter for existing pcb board structure, provides
A kind of network filter of S type winding structure, by the coiling using S type structure, distorted signals substantially weaken.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of network filter of S type winding structure, including pcb board, pcb board is disposed with several common mode inhibition units,
Several high frequency noises filter unit, the coupling of several signal and electrical isolation unit, and described pcb board includes top plate and bottom
Plate, described common mode inhibition unit, high frequency noise filter unit and signal coupling and electrical isolation unit is arranged in top plate
On, connect the coiling A of S type structure in bottom plate positioned at the signal input terminal in bottom plate, coiling A end is connected to top plate
On S type structure coiling B, the end of coiling B is connected to the input of common mode inhibition unit, the outfan of common mode inhibition unit
Be simultaneously connected to high frequency noise filter unit input couple with signal and electrical isolation unit input, signal coupling and
The outfan of electrical isolation unit is connected on signal output terminal, and the outfan that high frequency noise filters unit connects earth terminal
Son.
Preferably, described common mode inhibition unit is made up of the coil being wound on same magnetic material.
Preferably, described coiling A and coiling B is dual signal transmission line, and S type winding position two signal of coiling A
Transmission line is to be arranged symmetrically, and S type winding position two signal transmssion line of coiling B is to be arranged symmetrically.
Due to employing technique scheme, the beneficial effects of the utility model are：
The network filter of S type winding structure of the present utility model, by being arranged to S type coiling, is capable of impedance
Join, shorten the time of signal conversion simultaneously, improve signal processing efficiency；
S-shaped direction of winding widens two signal distance between centers of tracks parallel to holding wire transmission direction, S-shaped coiling because of it, shortens two letters
Number line relative length, thus reducing cross talk effects in transmitting procedure for two holding wires, signal is difficult distortion；Signal S-shaped around
When transmitting on line, on parallel to signal transmission direction, produce self coupling, accelerate transmission speed in S-shaped coiling for the signal.So S
Shape coiling can improve signaling rate, reduces crosstalk distortion effect in signals transmission.
Brief description
Fig. 1 is network filter circuit theory diagrams of the present utility model.
Fig. 2 is the bottom plate wiring diagram of pcb board of the present utility model.
Fig. 3 is the top plate wiring diagram of pcb board of the present utility model.
Reference：
N1- bottom plate, n2- top plate；
1- signal input terminal, 2- common mode inhibition unit, 3- high frequency noise filters unit, the coupling of 4- signal and electrical isolation
Unit, 5- signal output terminal, 6- ground terminal, 7- coiling A, 8- coiling B；
101- signal input terminal pad, 201- common mode inhibition unit pad, 301- high frequency noise filters unit pad,
The coupling of 401- signal and electrical isolation unit pad, 601- ground terminal pad.
Specific embodiment
Reference picture 1-3, a kind of network filter of S type winding structure of the present utility model, including pcb board, cloth on pcb board
It is equipped with several common mode inhibition units 2, several high frequency noise filters unit 3, several signal couples and electrical isolation unit 4, described
Pcb board include top plate n2 and bottom plate n1, described common mode inhibition unit 2, high frequency noise filter unit 3 and signal coupling
And electrical isolation unit 4 is arranged on top plate n2, connect in bottom plate n1 positioned at the signal input terminal 1 in bottom plate n1
The coiling A7 of S type structure, coiling A7 end is connected to the coiling B of the S type structure on top plate n2, and the end of coiling B is connected to
The input of common mode inhibition unit 2, the outfan of common mode inhibition unit 2 is simultaneously connected to the input that high frequency noise filters unit 3
End couple with signal and electrical isolation unit 4 input, signal couples and the outfan of electrical isolation unit 4 is connected to signal
On lead-out terminal 5, the outfan that high frequency noise filters unit 3 connects ground terminal 6.
Common mode inhibition unit 2 is made up of the coil being wound on same magnetic material.High frequency noise filters unit 3 by connecting
And between circuit electric capacity composition, high frequency noise filter unit 3 can achieve common mode noise and differential mode noise are filtered.Signal coupling
Close and electrical isolation unit 4 is made up of the electric capacity being series between circuit.
Coiling A7 and coiling B is dual signal transmission line, and S type winding position two signal transmssion line of coiling A7 is symmetrical
Arrangement, S type winding position two signal transmssion line of coiling B is to be arranged symmetrically.
Network filter of the present utility model, pcb board is by a dual platen and to be furnished with S-shaped coiling and all components and parts
Pad forms, including signal input terminal pad 101, common mode inhibition unit pad 201, high frequency noise filter unit pad 301,
Signal coupling and electrical isolation unit pad 401 and ground terminal pad 601.Pcb board wiring adopts S-shaped coiling, S-shaped coiling side
To parallel to holding wire transmission direction, S-shaped coiling widens two signal distance between centers of tracks because of it, shortens two holding wire relative lengths, thus
Reduce cross talk effects in transmitting procedure for two holding wires, signal is difficult distortion；When signal transmits in S-shaped coiling, parallel
Produce self coupling in signal transmission direction, accelerate transmission speed in S-shaped coiling for the signal.So S-shaped coiling can improve signal
Transmission speed, reduces crosstalk distortion effect in signals transmission.
Claims (3)
1. a kind of network filter of S type winding structure, it is characterised in that including pcb board, pcb board is disposed with several common modes
Suppression unit (2), several high frequency noise filter unit (3), the coupling of several signal and electrical isolation unit (4), described pcb board
Including top plate (n2) and bottom plate (n1), described common mode inhibition unit (2), high frequency noise filter unit (3) and signal coupling
Close and electrical isolation unit (4) is arranged on top plate (n2), the signal input terminal (1) in bottom plate (n1) connects
The coiling A (7) of the upper S type structure of bottom plate (n1), coiling A (7) end is connected to the coiling B of the S type structure on top plate (n2),
The end of coiling B is connected to the input of common mode inhibition unit (2), and the outfan of common mode inhibition unit (2) is simultaneously connected to height
Frequency noise filter unit (3) input couple with signal and electrical isolation unit (4) input, signal coupling and electrically every
It is connected on signal output terminal (5) from the outfan of unit (4), the outfan that high frequency noise filters unit (3) connects ground connection
Terminal (6).
2. the network filter of S type winding structure according to claim 1 is it is characterised in that described common mode inhibition list
First (2) are made up of the coil being wound on same magnetic material.
3. S type winding structure according to claim 1 network filter it is characterised in that described coiling A (7) and
Coiling B is dual signal transmission line, and S type winding position two signal transmssion line of coiling A (7) is to be arranged symmetrically, the S of coiling B
Type winding position two signal transmssion line is to be arranged symmetrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620945728.6U CN205961072U (en) | 2016-08-25 | 2016-08-25 | Network filter that S type constructs around line knot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620945728.6U CN205961072U (en) | 2016-08-25 | 2016-08-25 | Network filter that S type constructs around line knot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205961072U true CN205961072U (en) | 2017-02-15 |
Family
ID=57979916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620945728.6U Active CN205961072U (en) | 2016-08-25 | 2016-08-25 | Network filter that S type constructs around line knot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205961072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113412044A (en) * | 2021-06-22 | 2021-09-17 | 厦门翔澧工业设计有限公司 | Equipment shell for filtering clutter and equipment with equipment shell |
| CN113471647A (en) * | 2021-06-22 | 2021-10-01 | 厦门翔澧工业设计有限公司 | Clutter filtering device, preparation method, use method and equipment thereof |
-
2016
- 2016-08-25 CN CN201620945728.6U patent/CN205961072U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113412044A (en) * | 2021-06-22 | 2021-09-17 | 厦门翔澧工业设计有限公司 | Equipment shell for filtering clutter and equipment with equipment shell |
| CN113471647A (en) * | 2021-06-22 | 2021-10-01 | 厦门翔澧工业设计有限公司 | Clutter filtering device, preparation method, use method and equipment thereof |
| CN113471647B (en) * | 2021-06-22 | 2022-03-08 | 厦门翔澧工业设计有限公司 | Clutter filtering device, preparation method, use method and equipment thereof |
| CN113412044B (en) * | 2021-06-22 | 2024-01-19 | 厦门翔澧工业设计有限公司 | Clutter filtering equipment shell and equipment with equipment shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240408 Address after: 621000 Yongxing Town Industrial Park, Mianyang High-tech Zone, Sichuan Province Patentee after: Sichuan Jingweida Science and Technology Group Co.,Ltd. Country or region after: China Address before: 621000 earthquake prevention and disaster reduction Industrial Park, high tech Zone, Mianyang City, Sichuan Province Patentee before: MIANYANG CITY HIGH-TECH ZONE HONGQIANG TECHNOLOGY CO.,LTD. Country or region before: China |
|
| TR01 | Transfer of patent right |