Patent Document ID: 20020153959
Application ID: 10113632
Patent Flag: 0

Claim One:
1. A phase-locked loop, comprising: a voltage-controlled oscillator for generating an oscillator signal having a frequency; a controllable charge pump having an output connected to said voltage-controlled oscillator; a phase comparator; a first frequency divider which, during a transient recovery duration, generates a first divider output signal by dividing the frequency of the oscillator signal and provides the first divider output signal to said phase comparator, the first divider output signal having a frequency; and a unit which, after the transient recovery duration, divides the frequency of the first divider output signal to obtain a divided first divider output signal and provides the divided first divider output signal to said phase comparator; said phase comparator comparing the first divider output signal with a first reference signal during the transient recovery duration; said phase comparator comparing the divided first divider output signal with a second reference signal after the transient recovery duration; and said phase comparator having an output connected to said controllable charge pump.