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:
Feb. 25, 2003
Filed:
Mar. 21, 2001
Applicant:
Inventor:
Simon Atkinson, Heathfield, GB;
Assignee:
Analog Devices, Inc., Norwood, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03G 5/16 ;
U.S. Cl.
CPC ...
H03G 5/16 ;
Abstract
A variable gain amplifier system for radio frequency signals is disclosed. The system provides a relatively constant gain change in decibels responsive to an incremental change in control voltage. The system includes two or more cascaded gain stage amplifiers. Each gain stage amplifier is adjustable between a first gain setting and a second gain setting.