Title:
増幅器
Document Type and Number:
Japanese Patent JP5754362
Kind Code:
B2
Abstract:
An amplifier includes a first amplification element configured to amplify a first signal in one of first and second operation classes, a second amplification element configured to amplify a second signal in one of first and second operation classes, a first transmission line through which the amplified first signal is transferred, and a coupler configured to couple the transferred first signal and the amplified second signal, wherein the first amplification element amplifies the first signal in the first operation class and the second amplification element amplifies the second signal in the second operation class, when the first signal and the second signal have a first frequency band, and wherein the first amplification element amplifies the first signal in the second operation class and the second amplification element amplifies the second signal in the first operation class, when the first signal and the second signal have a second frequency band.
Inventors:
Shigekazu Kimura
Toru Maba
Toru Maba
Application Number:
JP2011267539A
Publication Date:
July 29, 2015
Filing Date:
December 07, 2011
Export Citation:
Assignee:
富士通株式会社
International Classes:
H03F1/07; H03F3/24; H03F3/68
Domestic Patent References:
| JP2007019578A | ||||
| JP2005130013A | ||||
| JP2010011186A | ||||
| JP2008006321A |
Attorney, Agent or Firm:
Tadahiko Ito
Akinori Yamaguchi
Akinori Yamaguchi