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. 10, 1998
Filed:
Sep. 15, 1993
Applicant:
Inventors:
Andrea Mario Onetti, Pavia, IT;
Domenico Rossi, Cilavegna, IT;
Assignee:
SGS-Thomson Microelectronics, S.r.l., Agrate Brianza (Milan), IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03G / ;
U.S. Cl.
CPC ...
330283 ; 327312 ; 327530 ;
Abstract
The dynamic range of operation of a differential transconductance input stage is reduced when the amplitude of the input signal decreases, thus reducing the level of the noise that is generated by the input stage. A DC signal representative of the sensed amplitude of the input signal is employed for either reducing the value of a common, emitter-degenerating resistance or of the bias current that is forced in the two branches of the differential input stage.