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:
Jun. 08, 1999
Filed:
Jul. 16, 1997
Applicant:
Inventors:
Marius Reffay, Grenoble, FR;
Danika Chaussy, Montchaboud, FR;
Assignee:
STMicroelectronics, S.A., Gentilly, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
327432 ; 327433 ; 327108 ;
Abstract
The present invention relates to a power amplifier having an output stage in MOS technology, including an upper half-output stage comprised of two P-channel MOS power transistors mounted as a current mirror, a lower half-output stage comprised of two N-channel MOS power transistors mounted as a current mirror, an output terminal of the amplifier corresponding to the common drains of a first MOS transistor of the upper stage and of a first MOS transistor of the lower stage, and a control stage in bipolar technology for setting, according to a control voltage, two control currents of the half-output stages.