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. 11, 2009
Filed:
Dec. 06, 2007
Abhaya Kumar, Bangalore, IN;
Visvesvarya Pentakota, Bangalore, IN;
Nitin Agarwal, Bangalore, IN;
Jagannathan Venkataraman, Bangalore, IN;
Abhaya Kumar, Bangalore, IN;
Visvesvarya Pentakota, Bangalore, IN;
Nitin Agarwal, Bangalore, IN;
Jagannathan Venkataraman, Bangalore, IN;
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A voltage source providing a constant reference voltage, independent of load variations at an output terminal. The effective impedance (looking-in impedance) at the output terminal is designed to be independent of frequency of the signals at the output terminal. In an embodiment, the resistance of one of two parallel impedance paths constituting the effective impedance is made equal to the resistance of the other path, and the time constants of both paths are made equal. As a result, the effective impedance is made independent of frequency, and the strength of the reference voltage is maintained constant without exhibiting ringing, DC droop, etc., despite load variations.