Title:
MULTIPLEXER, FRONT-END MODULE, AND COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/196043
Kind Code:
A1
Abstract:
A multiplexer (1) comprises: a common terminal (110); a reception/output terminal (120, 130); a filter (20) connected between the common terminal (110) and the reception/output terminal (120); a filter (30) which is connected between the common terminal (110) and the reception/output terminal (130), and for which the pass band differs from that of the filter (20); and an impedance matching circuit disposed between the common terminal (110) and the filter (30). The impedance matching circuit includes a serial arm resonator (35) serially disposed on a path connecting the common terminal (110) and the filter (30).
Inventors:
TANI MASAKAZU (JP)
Application Number:
PCT/JP2020/011508
Publication Date:
October 01, 2020
Filing Date:
March 16, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H03H7/38; H03H7/46; H03H9/70; H03H9/72
Domestic Patent References:
| WO2018212048A1 | 2018-11-22 | |||
| WO2019044034A1 | 2019-03-07 | |||
| WO2013080428A1 | 2013-06-06 |
Foreign References:
| JP2004140508A | 2004-05-13 | |||
| JPH0738376A | 1995-02-07 | |||
| JP2007006274A | 2007-01-11 |
Attorney, Agent or Firm:
YOSHIKAWA, Shuichi et al. (JP)
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