Title:
MULTIPLEXER AND COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/138786
Kind Code:
A1
Abstract:
The present invention is provided with: a first matching circuit (21) having one end connected to a common terminal (P0); a first filter (11) having one end and the other end respectively connected to the other end of the first matching circuit (21) and a first terminal (P1), the first filter having a pass band (f1); a second matching circuit (22) having one end connected to the common terminal (P0); a second filter (12) having one end and the other end respectively connected to the other end of the second matching circuit (22) and a second terminal (P2), the second filter having a pass band (f2) higher than f1; and a third filter (13) having one end and the other end respectively connected to the common terminal (P0) and a third terminal (P3), the third filter having a pass band (f3) higher than f2, wherein the first matching circuit (21) includes a first inductor (31) that is connected on a first signal path connecting the one end and the other end of the first matching circuit (21), and the second matching circuit (22) includes a second inductor (32) that is connected between the ground and a second signal path connecting the one end and the other end of the second matching circuit (22).
Inventors:
MATSUBARA HIROSHI (JP)
Application Number:
PCT/JP2018/046179
Publication Date:
July 18, 2019
Filing Date:
December 14, 2018
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H03H7/46; H03H9/70; H03H9/72; H04B1/00; H04B1/50
Domestic Patent References:
| WO2008075691A1 | 2008-06-26 | |||
| WO2004102798A1 | 2004-11-25 | |||
| WO2018212048A1 | 2018-11-22 |
Foreign References:
| JP2008010995A | 2008-01-17 | |||
| JP2010109894A | 2010-05-13 | |||
| JP2006211057A | 2006-08-10 | |||
| JP2011211347A | 2011-10-20 | |||
| JP2017063316A | 2017-03-30 |
Attorney, Agent or Firm:
YOSHIKAWA, Shuichi et al. (JP)
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