Title:
DIRECTIONAL COUPLER
Document Type and Number:
WIPO Patent Application WO/2020/235571
Kind Code:
A1
Abstract:
A directional coupler according to the present invention comprises a main line (10), a secondary line (20), and a variable terminator (40). The variable terminator (40) comprises a variable inductor (50). The variable inductor (50) comprises: a plurality of inductors (61, 62) connected in series between an end of the secondary line (20) and a ground; and switches (71, 72) for bypassing at least one inductor (61) out of the plurality of inductors (61, 62).
Inventors:
SEKI KENTA (JP)
KIM RYANGSU (JP)
SHIMIZU KATSUYA (JP)
KIM RYANGSU (JP)
SHIMIZU KATSUYA (JP)
Application Number:
PCT/JP2020/019828
Publication Date:
November 26, 2020
Filing Date:
May 19, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01P5/18
Domestic Patent References:
| WO2018174042A1 | 2018-09-27 | |||
| WO2012157645A1 | 2012-11-22 |
Foreign References:
| JP2017537555A | 2017-12-14 | |||
| US20130207739A1 | 2013-08-15 | |||
| JP2005057270A | 2005-03-03 | |||
| JP2004165612A | 2004-06-10 |
Attorney, Agent or Firm:
YOSHIKAWA, Shuichi et al. (JP)
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