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:
Jul. 26, 2005
Filed:
Dec. 18, 2003
Applicant:
Ron Green, Santa Clara, CA (US);
Inventor:
Ron Green, Santa Clara, CA (US);
Assignee:
Dynalinear Technologies, Inc., Campbell, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F003/04 ;
U.S. Cl.
CPC ...
Abstract
An RF amplifier comprises a power amplifier and a dual bias circuit. A dual bias circuit comprises a constant current source and a constant voltage source for biasing the power amplifier. The power may include a heterojunction bipolar transistor (HBT) or a bipolar junction transistor (BJT).