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:
Aug. 23, 2005
Filed:
Oct. 12, 2004
Applicant:
Paul David Ranucci, Pima, AZ (US);
Inventor:
Paul David Ranucci, Pima, AZ (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G05F001/10 ;
U.S. Cl.
CPC ...
Abstract
A metal oxide semiconductor (MOS) bandgap voltage reference circuit with a plurality of dummy bipolar junction transistors (BJTs) coupled to the mismatched parasitic substrate BJTs for improving parasitic capacitance matching, thereby improving startup behavior of the bandgap reference circuitry.