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:
Nov. 06, 2007
Filed:
Nov. 04, 2005
Applicants:
Lei Chen, Loveland, CO (US);
Richard Kok Keong Lum, Loveland, CO (US);
Inventors:
Lei Chen, Loveland, CO (US);
Richard Kok Keong Lum, Loveland, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
An operational amplifier is described. The operational amplifier includes a first stage, a second stage, a third stage, and a fourth stage. The amplifier includes a nested transconductance-capacitance compensation configuration. The third stage includes class AB control mechanism. The fourth stage includes a class AB output stage.