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:
Nov. 11, 2008
Filed:
Dec. 21, 2005
Mehmet Aslan, Sunnyvale, CA (US);
Dan D'aquino, San Diego, CA (US);
Mehmet Aslan, Sunnyvale, CA (US);
Dan D'Aquino, San Diego, CA (US);
National Semiconductor Corporation, Santa Clara, CA (US);
Abstract
An embodiment of the present invention is directed to a method of matching time-multiplexed resistors to a known ratio including generating a control signal from a control circuit, which includes a value that defines a configuration. The method also includes receiving the control signal at a switching circuit, detecting whether the value of the control signal has changed, and, provided the value has changed, switching a plurality of resistors from a first configuration to a second configuration. The first configuration produces a first resistance, and the second configuration produces a second resistance. The ratio of the first resistance and the second resistance are the aforementioned known ratio.