Title:
HIGH-FREQUENCY FRONT-END MODULE AND COMMUNICATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/151528
Kind Code:
A1
Abstract:
This high-frequency front-end module (2A) is provided with: a primary antenna (11) and a secondary antenna (12); a first multiplexer and a second multiplexer; and a switch circuit (20). The first multiplexer has a communication filter (31T) of band A, and a reception filter (31R) of band A, and does not have a transmission filter of band B. The second multiplexer has a communication filter (32T) of band B, and a reception filter (32R) of band B, and does not have a transmission filter of band A. The switch circuit (20) exclusively switches a connection between the primary antenna (11) and the first multiplexer and a connection between the primary antenna (11) and the second multiplexer, and exclusively switches a connection between the secondary antenna (12) and the first multiplexer and a connection betweeen the secondary antenna (12) and the second multiplexer.
Inventors:
TSUDA MOTOJI (JP)
NAKAMURA TAKAYUKI (JP)
OH DAEROK (JP)
NAKAMURA TAKAYUKI (JP)
OH DAEROK (JP)
Application Number:
PCT/JP2019/003988
Publication Date:
August 08, 2019
Filing Date:
February 05, 2019
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H04B1/00; H04B1/50
Domestic Patent References:
| WO2017013910A1 | 2017-01-26 |
Foreign References:
| JP2015139005A | 2015-07-30 | |||
| JP2014011515A | 2014-01-20 | |||
| JP2015528237A | 2015-09-24 |
Attorney, Agent or Firm:
YOSHIKAWA, Shuichi et al. (JP)
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