Title:
MULTIPLEXER, HIGH-FREQUENCY MODULE, AND COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/085314
Kind Code:
A1
Abstract:
A multiplexer (10) comprises: a filter (11) which includes a first pass band that includes a first band which can be used for transmission; a filter (12) which includes a second pass band that includes a second band which can be used for transmission; and a filter (13) which includes a third pass band that includes a third band. The frequency of an unnecessary wave of a second-order distortion mode or a fourth-order distortion mode generated when a first transmission signal of the first band and a second transmission signal of the second band are transmitted simultaneously is included in at least one among the first pass band, the second pass band, and the third pass band. The frequency of an unnecessary wave of a third-order distortion mode generated when the first transmission signal and the second transmission signal are transmitted simultaneously is included in at least one among the first pass band, the second pass band, and the third pass band. The filter (11) is a BAW filter, and the filter (12) is a SAW filter.
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Inventors:
KIDO SYUNSUKE (JP)
MORI HIROTSUGU (JP)
MORI HIROTSUGU (JP)
Application Number:
PCT/JP2021/032737
Publication Date:
April 28, 2022
Filing Date:
September 06, 2021
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H04B1/00; H03H9/17; H03H9/54; H03H9/64; H03H9/70; H03H9/72; H04B1/40
Domestic Patent References:
| WO2020129470A1 | 2020-06-25 |
Foreign References:
| JP2020102814A | 2020-07-02 | |||
| JP2010021914A | 2010-01-28 |
Attorney, Agent or Firm:
YOSHIKAWA, Shuichi et al. (JP)
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