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. 31, 1992
Filed:
Oct. 22, 1990
Applicant:
Inventors:
Aldo Torazzina, Monza, IT;
Bruno Murari, Monza, IT;
Assignee:
SGS Thomson Microelectronics S.r.l., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F / ;
U.S. Cl.
CPC ...
330 51 ; 330146 ;
Abstract
A first non-inverting amplifier unit and a second inverting amplifier unit are driven by a single input signal; their outputs are connected across a load, directly and via a series capacitor, respectively. A circuit disables the second amplifier when the input signal is lower than a preset threshold level.