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.
Patent No.:
Date of Patent:
Sep. 04, 2001
Filed:
Mar. 09, 2000
Hiroyuki Abe, Chigasaki, JP;
Hironori Nagasawa, Yokohama, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A feedback type variable gain amplifier of the present invention is provided with a first inductor and a first field effect transistor connected in series across a power-supply potential terminal and a ground potential terminal, the one end of the first inductor connecting to the power-supply potential terminal, the one end of the first field effect transistor connecting to the ground potential terminal, the gate of the first field effect transistor being used as a signal input terminal, and the other end of the first field effect transistor being used as a signal output terminal, a second inductor, a second field effect transistor and a capacitor connected in series between the drain and the gate of the first field effect transistor, and, a resistor connected between the drain and the gate of said second field effect transistor.