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Patent Searching and Data


Title:
DOHERTY AMPLIFIER
Document Type and Number:
WIPO Patent Application WO/2021/064892
Kind Code:
A1
Abstract:
A Doherty amplifier according to the present invention is provided with: an input terminal; a branching part which is connected to the input terminal; a first input transmission line which has one end thereof connected to the branching part; a second input transmission line which has one end thereof connected to the branching part; a carrier amplifier which has an input thereof connected to the other end of the first input transmission line; a peak amplifier which has an input thereof connected to the other end of the second input transmission line; a first output transmission line which has one end thereof connected to an output of the carrier amplifier; a second output transmission line which has one end thereof connected to an output of the peak amplifier; a synthesis line which has one end thereof connected to the other end of the first output transmission line and the other end of the second transmission line; and an output terminal which is connected to the other end of the synthesis line, wherein the first output transmission line has a large width section where the width is wider than that of the rest of the first output transmission line.

Inventors:
HATANAKA, Shohei (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, JP)
Application Number:
JP2019/038906
Publication Date:
April 08, 2021
Filing Date:
October 02, 2019
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (Chiyoda-ku Tokyo, 10, JP)
International Classes:
H03F1/02; H03F3/193; H03F3/68
Attorney, Agent or Firm:
TAKADA, Mamoru et al. (Takahashi & Partners Konwa Bldg. 7F, 12-22 Tsukiji 1-chome, Chuo-k, Tokyo 45, JP)
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