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, 1986
Filed:
Dec. 18, 1984
Applicant:
Inventor:
Roger A Whatley, Austin, TX (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F / ; H03F / ;
U.S. Cl.
CPC ...
330258 ; 330253 ; 330277 ;
Abstract
An operational amplifier having differential inputs and differential outputs with a predetermined common-mode output voltage independent of common-mode input voltage and input voltage variation is provided. D.C. common-mode feedback is utilized to provide a differential amplifier having a precise common-mode output voltage.