Rambus, and another (plaza)

United States Patent 6,911,853
Kizer , et al.
June 28, 2005
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.: 104230
Filed: March 22, 2002

Hat tip to FinzToRite of the Pinehurst Thread for the link.