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:
May. 13, 2003

Filed:

Oct. 28, 1998
Applicant:
Inventor:

Kazumasa Kohama, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/980 ; H03K 1/716 ;
U.S. Cl.
CPC ...
H01L 2/980 ; H03K 1/716 ;
Abstract

A high-frequency circuit, wherein there is provided a switching transistor connected between an input terminal and an output terminal, with a gate electrode connected to a control terminal via a resistance element, and with an effective gate portion of the gate electrode divided into a plurality of sections, and arrangement is made of additional capacitance elements added in parallel to a capacitance between a gate and a source or drain of the switching transistor at positions in proximity to one ends of at least two effective gate sections of the plurality of effective gate sections. Preferably, there is provided a short-circuiting transistor similarly having an additional capacitance element between the output terminal Tout and a reference voltage supply line.


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