Title:
NETWORK PORT FILTER AND NETWORK DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/199148
Kind Code:
A1
Abstract:
A network port filter, comprising a first differential link and a second differential link. The first input port, a third coil, a first coil, and a first isolation capacitor are sequentially connected in series on the first differential link, and the second input port, a fourth coil, a second coil, and a second isolation capacitor are sequentially connected in series on the second differential link. The third coil and the fourth coil constitute a self-coupled inductor, and the first coil and the second coil constitute a common mode inductor. The traditional network transformer is replaced with the isolation capacitor, a square coupling signal of an electric field is used, the coupling effect is better than that of the traditional network transformer, and the area of a circuit board can be greatly reduced compared with the scheme of the traditional network transformer.
Inventors:
LIAO JIANXING (CN)
Application Number:
PCT/CN2019/081209
Publication Date:
October 08, 2020
Filing Date:
April 03, 2019
Export Citation:
Assignee:
HANGZHOU TUYA INFORMATION TECH CO LTD (CN)
International Classes:
H03H7/00
Foreign References:
| CN104901645A | 2015-09-09 | |||
| CN208111259U | 2018-11-16 | |||
| CN107424766A | 2017-12-01 |
Attorney, Agent or Firm:
SHENZHEN ZHONGYI UNION INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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