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. 31, 1989
Filed:
Oct. 21, 1987
Applicant:
Inventors:
David Novosel, New Wilmington, PA (US);
Alejandro de la Plaza, Buenos Aires, AR;
Assignee:
SGS Microelettronica S.p.A., Catania, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F / ;
U.S. Cl.
CPC ...
330253 ; 330261 ;
Abstract
A voltage differential amplifier made with MOS transistors of a single channel polarity and using only two additional transistors besides a differential input pair is exceptionally exempt of problems caused by the normal spread of the parameters of the real components forming the bias current generators of the differential pair.