Title:
POWER AMPLIFIER AND FILTER
Document Type and Number:
WIPO Patent Application WO/2020/003417
Kind Code:
A1
Abstract:
This power amplifier is configured: so as to be provided with a stub (12), one end of which is connected to one end of a transmission line (11), and a coupled line (13), which is disposed in parallel with the transmission line (11) and the stub (12) and which is electromagnetically coupled to the transmission line (11) and the stub (12); and so that the stub (12) and the coupled line (13) act as a first resonator (21) that resonates with an odd harmonic frequency included in an amplified signal, and the transmission line (11), the stub (12), and the coupled line (13) act as a second resonator (22) that resonates with an even harmonic frequency included in the amplified signal.
Inventors:
SUGITANI TAKUMI (JP)
HANGAI MASATAKE (JP)
YAMANAKA KOJI (JP)
HANGAI MASATAKE (JP)
YAMANAKA KOJI (JP)
Application Number:
PCT/JP2018/024414
Publication Date:
January 02, 2020
Filing Date:
June 27, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01P1/212; H03F3/60; H03F1/32; H03F3/21
Foreign References:
| JP2011066822A | 2011-03-31 | |||
| JP2007251403A | 2007-09-27 | |||
| JPH08139535A | 1996-05-31 | |||
| US9130511B2 | 2015-09-08 | |||
| JP2006185936A | 2006-07-13 |
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (JP)
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