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:
Mar. 17, 1992
Filed:
Apr. 11, 1991
Applicant:
Inventors:
Randy L Shimabukuro, San Diego, CA (US);
Patrick A Shoemaker, Lemon Grove, CA (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06G / ; H03L / ;
U.S. Cl.
CPC ...
307491 ; 307512 ; 328166 ;
Abstract
The present invention provides a circuit for eliminating quadratic and offset errors in the output of a CMOS four-quadrant analog multiplier. These errors are eliminated by feedback circuits that each include one or more CMOS four-quadrant analog multipliers.