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:
Oct. 08, 1996
Filed:
Mar. 08, 1994
Applicant:
Inventors:
Solomon K Ng, Singapore, SG;
Gee H Loh, Singapore, SG;
Assignee:
SGS-Thomson Microelectronics Pte Ltd., Singapore, SG;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G05F / ; H03F / ;
U.S. Cl.
CPC ...
323315 ; 330288 ;
Abstract
A source/sink current generating circuit is arranged to generate source and sink currents which are matched and insensitive to fan out. This is achieved by using a biasing transistor (Q13) between first and second current mirrors which generate respectively the source and sink currents.