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:
Nov. 23, 2004
Filed:
Jan. 09, 2004
Applicant:
Inventors:
Hidetoshi Matsumoto, Kokubunji, JP;
Tomonori Tanoue, Machida, JP;
Satoshi Tanaka, Kokubunji, JP;
Kiichi Yamashita, Shiroyama, JP;
Assignee:
Renesas Technology Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/68 ; H03G 3/20 ;
U.S. Cl.
CPC ...
H03F 3/68 ; H03G 3/20 ;
Abstract
A power amplifier module comprises a plurality of amplifier stages, each including a reference amplifier for emulating the operation of the amplifier. The current flowing to the base of a bipolar transistor that forms each reference amplifier depending on an input power level is detected, amplified, and supplied as base current of the transistor of the corresponding amplifier.
Matsumoto, Hidetoshi. (2004). Power amplifier module (U.S. Patent No. 6822517). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6822517
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile