Phase regulating circuit with a time-delay element

Details Phase regulating circuit with a time-delay element Phase regulating circuit with a time-delay element

2005-11-08

2005-11-08

Nguyen, Minh (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

C331SDIG002, C375S376000

Reexamination Certificate

active

06963234

ABSTRACT:
A phase-locked loop with a delay element (DLL) is described which is essentially characterized in that the delay element (3) has a chain of a number n delay units (33n), the outputs (34n) of which are fed to a locking monitoring circuit (4) which determines whether the delay time Tdelayof the delay element (3) lies within a range a*Tperiod<Tdelay<b*Tperiod, where 0.5<a<1 and 1<b<2, and wherein the locking monitoring circuit (4) performs a correction of this delay time when this condition is not met.

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