Title:
HIGH FREQUENCY CIRCUIT, FRONT END CIRCUIT, AND COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/054176
Kind Code:
A1
Abstract:
A high frequency circuit (4) is provided with: a first terminal (40a); a second terminal (51a); a third terminal (51b); a first path; a second path; a first matching element (41) and a first amplifier (50a) that are disposed on the first path; a first switch (42) that is connected between a reference terminal and the first path which extends between the first matching element and the first amplifier; a second matching element (43) and a second amplifier (50b) that are disposed on a second path; and a second switch (44) that is connected between a reference terminal and the second path which extends between the second matching element and the second amplifier. When a signal is transmitted to the first path, the first switch (42) is turned OFF and the second switch (44) is turned ON, and when a signal is transmitted to the second path, the first switch (42) is turned ON and the second switch (44) is turned OFF.
Inventors:
WATANABE DAISUKE (JP)
Application Number:
PCT/JP2018/031864
Publication Date:
March 21, 2019
Filing Date:
August 29, 2018
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H04B1/00; H04B1/18
Domestic Patent References:
| WO2015008557A1 | 2015-01-22 | |||
| WO2017073509A1 | 2017-05-04 |
Foreign References:
| JP2014140115A | 2014-07-31 | |||
| JP2001102877A | 2001-04-13 |
Attorney, Agent or Firm:
YOSHIKAWA, Shuichi et al. (JP)
Download PDF: