The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 10, 2017

Filed:

Sep. 13, 2013
Applicant:

Mitsubishi Electric Corporation, Chiyoda-ku, JP;

Inventors:

Yoshinori Tsuyama, Chiyoda-ku, JP;

Hiroyuki Nonomura, Chiyoda-ku, JP;

Hiroshi Otsuka, Chiyoda-ku, JP;

Hifumi Noto, Chiyoda-ku, JP;

Yoshinori Yasunaga, Chiyoda-ku, JP;

Mitsuhiro Shimozawa, Chiyoda-ku, JP;

Yuichi Fujimoto, Shinagawa-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/191 (2006.01); H03F 1/02 (2006.01); H03F 3/24 (2006.01); H03F 3/19 (2006.01); H03F 3/60 (2006.01); H03F 1/32 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0205 (2013.01); H03F 1/3205 (2013.01); H03F 3/19 (2013.01); H03F 3/245 (2013.01); H03F 3/601 (2013.01); H03F 2200/108 (2013.01); H03F 2200/12 (2013.01); H03F 2200/267 (2013.01); H03F 2200/391 (2013.01); H03F 2200/555 (2013.01);
Abstract

A microwave amplifier including: a bias circuit that includes a line having an electrical length of one quarter the wavelength at the frequency configured to be amplified by the microwave amplifier and being connected between the output terminal of an amplifier and a bias voltage source, and a capacitor connected between a terminal where the line is connected to the bias voltage source and a ground that defines the reference potential of the microwave amplifier; and a resonant circuit that includes a resistor and a capacitor connected in series between the ground and the terminal where the line is connected to the bias voltage source.


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