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. 02, 1990
Filed:
Feb. 09, 1989
Applicant:
Inventors:
Jack E Clark, II, Palm Bay, FL (US);
Jeffrey C Lee, Palm Bay, FL (US);
Brent R Doyle, Palm Bay, FL (US);
Assignee:
Harris Corporation, Melbourne, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F / ;
U.S. Cl.
CPC ...
330288 ; 307311 ; 330277 ; 330308 ;
Abstract
A current mirror having an amplification factor K providing a photocurrent compensation current to a node having a mismatch of junction photocurrent. The load device on the input leg of the current mirror has an area 1/K times the device width of the larger device junction area at the node and a device width ratio with drive device of the input leg of a current mirror equal to the ratio of mismatch J at the node.