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. 17, 2009
Filed:
Sep. 26, 2007
Shu-ing Ju, Palo Alto, CA (US);
Jayendar Rajagopalan, Newcastle, WA (US);
Jeffry Mark Huard, Puyallup, WA (US);
Shu-Ing Ju, Palo Alto, CA (US);
Jayendar Rajagopalan, Newcastle, WA (US);
Jeffry Mark Huard, Puyallup, WA (US);
National Semiconductor Corporation, Santa Clara, CA (US);
Abstract
The invention relates to a differential amplifier with internal compensation. The invention also relates to a regulator controller and a regulator which includes such an amplifier. The amplifier includes a preamplifier circuit and a gain circuit. The frequency response of the amplifier is based in part on internal compensation within the preamplifier circuit. The internal compensation of the differential amplifier includes a low frequency zero that is provided by the preamplifier circuit.