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:
Apr. 02, 2002
Filed:
Jan. 26, 2001
Applicant:
Inventors:
Jean-Pierre Blanc, Theys, FR;
Michel Barou, Voreppe, FR;
Assignee:
STMicroelectronics S.A., Gentilly, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06G 7/12 ;
U.S. Cl.
CPC ...
G06G 7/12 ;
Abstract
A preamplifier including an input stage adapted to receiving an analog signal via a connection capacitor, and a differential output stage adapted to providing the signal referenced with respect to a predetermined level, and circuitry for enabling the input stage to accept a signal referenced to the differential stage ground, the signal provided by the output stage being referenced to this ground.