Phase-locked loop with a pulse generator, and method for...

Details Phase-locked loop with a pulse generator, and method for... Phase-locked loop with a pulse generator, and method for...

2007-04-03

2007-04-03

Chang, Joseph (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Tuning compensation

C331S025000

Reexamination Certificate

active

11127621

ABSTRACT:
The phase-locked loop has a pulse generator has a phase detector which is intended to compare a reference signal with an oscillator signal, and a detector output for tapping off a phase comparison signal. The pulse generator is used to produce a pulse-width-modulated pulse signal and has a generator output, from which the pulse-width-modulated pulse signal is tapped off. A selection unit is furthermore provided and is connected, on the input side, to the detector output and to the generator output, and is designed in such a manner that either the phase comparison signal or the pulse signal can be tapped off from an output of the selection unit using a control signal applied to a control input of the selection unit.

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International Search Report, Int'l Application No. PCT/DE03/03749, Int'l Filing Date Nov. 12, 2003, 3 pgs.

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