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:
Jan. 29, 2013
Filed:
Aug. 04, 2011
Applicant:
Gonggui Xu, Plano, TX (US);
Inventor:
Gonggui Xu, Plano, TX (US);
Assignee:
Texas Advanced Optoelectronic Solutions, Inc., Plano, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided herein are a circuit and method for dynamically controlling operational amplifier (op-amp) offset for photodetector applications using a variable trimming circuit coupled to a test node and an op-amp.