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:
Oct. 25, 2005
Filed:
Apr. 22, 2004
Applicant:
James S. Prater, Fort Collins, CO (US);
Inventor:
James S. Prater, Fort Collins, CO (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H03M001/68 ;
U.S. Cl.
CPC ...
Abstract
Disclosed is a process for minimizing digital-to-analog converter differential nonlinearity by adjusting taps in resistive elements in a fine resistor string voltage divider circuit. Active buffer circuits can be eliminated while still minimizing DAC DNL and insuring circuit monoticity.