Delay-locked loop

Details Delay-locked loop Delay-locked loop

2008-06-24

2008-06-24

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

C327S156000, C327S149000

Reexamination Certificate

active

07391244

ABSTRACT:
This invention relates to a delay locked loop comprising a line of delay cells (R1, R2, . . . , Rn) mounted in series, the delay signal output by the loop being output from the output of one of the delay cells, the input of the delay cells line being connected to a first input of a phase/frequency detector (1), for which a second input is connected to an output from the delay cell.The loop comprises control means (4) capable of modifying the output from the delay cell connected to the second input of the phase/frequency detector (1), at the rate of a clock signal (H) when stimulated by control information (I).The invention is particularly applicable to generating and measuring delays and for frequency synthesis in mobile applications.

REFERENCES:
patent: 5889436 (1999-03-01), Yeung et al.
patent: 6147525 (2000-11-01), Kitagawa et al.
patent: 6154073 (2000-11-01), Choi
patent: 6526374 (2003-02-01), Martin
patent: 6798257 (2004-09-01), Roe
patent: 6847241 (2005-01-01), Nguyen et al.
patent: 6943598 (2005-09-01), Ghazali et al.
patent: 6987410 (2006-01-01), Suda et al.
patent: 2002/0033737 (2002-03-01), Staszewski et al.
patent: 01 45263 (2001-06-01), None
Weinlader, et al. “Ta 10.3 An Eight Channel 36GSample/S CMDS Timing Analyzer”, ISSCC 2000/Session10/Clock Generation and Distribution/Paper TA 10.3, 2000 IEEE International Solid-State Circuits Conference, 0-7803-5853-8/00/$10.00 © 2000 IEEE, p. 170-171.

Affiliated with

Also associated with

Rating

Delay-locked loop does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Delay-locked loop, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Delay-locked loop will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2814745