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:
Aug. 28, 2007
Filed:
Jan. 14, 2005
Applicants:
Murari Kejariwal, Austin, TX (US);
Gowtham Vemulapalli, Austin, TX (US);
John Laurance Melanson, Austin, TX (US);
Inventors:
Murari Kejariwal, Austin, TX (US);
Gowtham Vemulapalli, Austin, TX (US);
John Laurance Melanson, Austin, TX (US);
Assignee:
Cirrus Logic, Inc., Austin, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03F 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An operational amplifier including at least one amplifier stage and chopping circuitry for chopping an input signal to the amplifier stage and an output signal from the chopping signal having a frequency randomly varying within the selected frequency band.