United States Patent 7,081,782
Kizer, et al. July 25, 2006
Locked loop with dual rail regulation
Abstract
An apparatus having a dual rail regulated reference loop. The reference loop includes a delay circuit powered by upper and lower supply voltages to generate a plurality of reference clock signals, and a voltage regulation circuit to adjust the upper and lower supply voltages according to a phase difference between a selected pair of the reference clock signals.
Inventors: Kizer; Jade M. (Mountain View, CA); Lau; Benedict C. (San Jose, CA)
Assignee: Rambus Inc. (Los Altos, CA)
Appl. No.: 130682
Filed: May 17, 2005
Hat tip to FinzToRite for the links.
Tuesday, July 25, 2006
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