Title:
ELECTRONIC CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2021/131310
Kind Code:
A1
Abstract:
An electronic circuit comprising: a shield line that has a first signal line and a second signal line that are connected to a signal source and a shield that covers the periphery of the first and second signal lines; a signal ground provided on the signal source side; a frame ground separated from the signal ground and connected to the shield; a common mode choke coil having a first coil, a second coil, and a third coil that are magnetically joined to each other; and a capacitor connected in parallel to the third coil. The first coil is connected in series between the signal source and the first signal line. The second coil is connected in series between the signal source and the second signal line. The third coil and the capacitor, which are connected in parallel, are connected between the signal ground and the frame ground.
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Inventors:
HIGUCHI TAROU (JP)
IMANISHI YOSHIHIRO (JP)
SAITO YASUSHI (JP)
HONDA HIROYUKI (JP)
YOSHIDA MINEHITO (JP)
IGARASHI AKIO (JP)
SEKIGUCHI SAYAKA (JP)
NOJIRI MIYUKI (JP)
IMANISHI YOSHIHIRO (JP)
SAITO YASUSHI (JP)
HONDA HIROYUKI (JP)
YOSHIDA MINEHITO (JP)
IGARASHI AKIO (JP)
SEKIGUCHI SAYAKA (JP)
NOJIRI MIYUKI (JP)
Application Number:
PCT/JP2020/040451
Publication Date:
July 01, 2021
Filing Date:
October 28, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01F17/04; H01F27/00; H03H7/09; H04B15/00; H04L25/02
Domestic Patent References:
| WO2016063520A1 | 2016-04-28 | |||
| WO2011004453A1 | 2011-01-13 |
Foreign References:
| JP2017063290A | 2017-03-30 | |||
| JPH09260885A | 1997-10-03 | |||
| JP2010135602A | 2010-06-17 | |||
| US20100253454A1 | 2010-10-07 | |||
| US4682125A | 1987-07-21 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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