Delay-locked loop with feedback compensation

Details Delay-locked loop with feedback compensation Delay-locked loop with feedback compensation

2007-08-07

2007-08-07

Nguyen, Linh My (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

C327S149000

Reexamination Certificate

active

11439685

ABSTRACT:
A delay-locked loop (DLL) with feedback compensation is provided to increase the speed and accuracy of the DLL. After the variable delay line of the DLL is adjusted to minimize phase error, multiple clock cycles may be required before the adjusted signal is fed back to the phase detector. During this time, a signal replicating the adjusted signal is temporarily fed to the phase detector until the adjusted signal reaches the phase detector.

REFERENCES:
patent: 5963069 (1999-10-01), Jefferson et al.
patent: 6067272 (2000-05-01), Foss et al.
patent: 6087868 (2000-07-01), Millar
patent: 6215726 (2001-04-01), Kubo

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