PLL circuit, communication apparatus equipped with PLL...

Details PLL circuit, communication apparatus equipped with PLL... PLL circuit, communication apparatus equipped with PLL...

2006-08-22

2006-08-22

Le, Dinh T. (Department: 2816)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Particular error voltage control

C331S044000, C327S157000

Reexamination Certificate

active

07095286

ABSTRACT:
A PLL circuit includes a voltage-controlled oscillator having a control voltage terminal, a charge pump, a loop filter having an output coupled with the control voltage terminal via the loop filter, and a part for connecting any point on a route from an output terminal of the charge pump to the control voltage terminal to ground and disconnecting said point from the ground after a frequency of the voltage-controlled oscillator is adjusted.

REFERENCES:
patent: 5648744 (1997-07-01), Prakash et al.
patent: 6317004 (2001-11-01), Akagi et al.
patent: 6750750 (2004-06-01), Jiong et al.
patent: 6803830 (2004-10-01), Scheffler
patent: 2000-183733 (2000-06-01), None

Affiliated with

Also associated with

Rating

PLL circuit, communication apparatus equipped with PLL... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with PLL circuit, communication apparatus equipped with PLL..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and PLL circuit, communication apparatus equipped with PLL... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3679260