Phase-lock loops

Details Phase-lock loops Phase-lock loops

2007-01-02

2007-01-02

Kinkead, Arnold (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Tuning compensation

C331S025000, C331S175000, C331S034000, C331S17700V

Reexamination Certificate

active

10526197

ABSTRACT:
A phase lock loop comprises a variable frequency oscillator (20), a divider (30), a phase comparator (40), a gain control stage (240), and a loop filter (50). The frequency response of the loop is measured by superimposing a modulation at a number of different rates on the error signal generated by the phase comparator, and by measuring for each modulation rate the peak-to-peak variation of the loop control signal controlling the oscillator frequency. If, due to errors in component values, the frequency response deviates from its desired value, the loop gain is adjusted to bring the frequency response close to its desired value.

REFERENCES:
patent: 6292507 (2001-09-01), Hardin et al.
patent: 6404292 (2002-06-01), Lautzenhiser

Affiliated with

Also associated with

Rating

Phase-lock loops does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3723812