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:
Aug. 02, 2011

Filed:

Jan. 14, 2009
Applicants:

Barrie Gilbert, Portland, OR (US);

Todd C. Weigandt, Portland, OR (US);

Eberhard Brunner, Waakirchen, DE;

Inventors:

Barrie Gilbert, Portland, OR (US);

Todd C. Weigandt, Portland, OR (US);

Eberhard Brunner, Waakirchen, DE;

Assignee:

Analog Devices, Inc., Norwood, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/45 (2006.01);
U.S. Cl.
CPC ...
Abstract

A variable gain amplifier includes an attenuator having a plurality of pairs of tap points, and a plurality of pairs of gm cells, wherein each pair of gm cells is coupled to a corresponding pair of the tap points, and each pair of gm cells is constructed and arranged to operate as a multi-tanh cell.


Find Patent Forward Citations

Quick Actions:

Gilbert, Barrie. (2011). Input system for a variable gain amplifier having class-ab transconductance stages (U.S. Patent No. 7990217). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7990217

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…