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Title:
HIGH FREQUENCY MODULE, FRONT END MODULE, AND COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/044034
Kind Code:
A1
Abstract:
A high frequency module (10) receives signals in a first frequency band and signals in a second frequency band at one time. The high frequency module is provided with: a switch circuit (11) having selection terminals (110a, 110b); a filter (13A) that passes the signals in the first frequency band; a filter (13B) that passes the signals in the second frequency band; a phase adjustment circuit (12A) connected to the selection terminal (110a) and the filter (13A); and a phase adjustment circuit (12B) connected to the selection terminal (110b) and the filter (13B). The filter (13A) has an acoustic wave resonator that is formed on a piezoelectric substrate (100A), the filter (13B) has an acoustic wave resonator that is formed on a piezoelectric substrate (100B), a part of a circuit element constituting the phase adjustment circuit (12A) is formed on the substrate (100A), and a part of a circuit element constituting the phase adjustment circuit (12B) is formed on the substrate (100B).

Inventors:
MIYAZAKI, Daisuke (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2018/016831
Publication Date:
March 07, 2019
Filing Date:
April 25, 2018
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
H04B1/40; H03H7/38; H03H7/46; H03H9/17; H03H9/70; H03H9/72; H04B1/00
Attorney, Agent or Firm:
YOSHIKAWA, Shuichi et al. (6F Tanaka Ito Pia Shin-Osaka Bldg., 3-10, Nishi Nakajima 5-chome, Yodogawa-ku, Osaka-cit, Osaka 11, 〒5320011, JP)
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