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:
Sep. 27, 2011
Filed:
Jul. 07, 2006
Georges El Bacha, Boston, MA (US);
Stuart Patterson, East Walpole, MA (US);
Ara Arakelian, Watertown, MA (US);
Georges El Bacha, Boston, MA (US);
Stuart Patterson, East Walpole, MA (US);
Ara Arakelian, Watertown, MA (US);
Analog Devices, Inc., Norwood, MA (US);
Abstract
A multi-voltage biasing system with over voltage protection has an amplifier with a stage including at least one output device and one cascode protection device having a predetermined maximum recommended voltage; a biasing network is selectively responsive to a plurality of different supply voltages at least one of which is higher than the maximum recommended voltage for providing to the stage a bias voltage to operate the cascode device and output device below their maximum recommended voltages.