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. 12, 2004
Filed:
Jul. 26, 2002
Greg Starr, San Jose, CA (US);
Kang Wei Lai, Milpitas, CA (US);
Altera Corporation, San Jose, CA (US);
Abstract
An exemplary compensation circuit includes: a temperature compensation circuit which provides as an output a temperature compensation signal indicative of temperature variations; a supply compensation circuit which provides as an output a supply compensation signal indicative of supply voltage variations; and a compensation conversion circuit coupled to the temperature compensation circuit and the supply compensation circuit to provide as an output a bias signal from the temperature compensation signal and the supply compensation signal. The supply compensation circuit includes a voltage divider circuit coupled to a supply compensation node, to a source voltage, and to a sink voltage, where the supply compensation node is coupled to an input of the compensation conversion circuit. The source voltage provides a supply voltage, and the supply compensation signal is indicative of variations in the supply voltage.