Pulse or digital communications – Synchronizers – Phase displacement – slip or jitter correction
Patent
1996-02-09
1998-09-15
Vo, Don N.
Pulse or digital communications
Synchronizers
Phase displacement, slip or jitter correction
375376, 331 17, 327157, H04L 7089
Patent
active
058090959
ABSTRACT:
The synchronous circuit adopts a differential signal propagation to reduce in-phase noise by restoring the charge loss caused by leak current. A synchronous circuit comprises: a comparing circuit (12) for comparing an input signal (IN) or a signal formed on the basis of the input signal with a feedback signal (OUT) or a signal formed on the basis of the feedback signal with respect to phase or frequency; a signal forming circuit (13) for forming a first and second output signals (13A and 13B) as a differential signal on the basis of the outputs (12A and 12B) of the comparing circuit; a filter circuit (14) for eliminating high frequency region noise of the first and second output signals (13A and 13B) outputted by the signal forming circuit; and an output circuit (15) for outputting the feedback signal (OUT) whose phase or frequency is adjusted according to a difference between the first and second output signals (14A and 14B) passed through the filter circuit. Here, the signal forming circuit (13) fixes any one of the first and second output signals (13A and 13B) to a predetermined direct current voltage.
REFERENCES:
patent: 4970472 (1990-11-01), Kennedy et al.
patent: 5477193 (1995-12-01), Burchfield
patent: 5576647 (1996-11-01), Sutardja et al.
patent: 5576657 (1996-11-01), Frisch et al.
patent: 5592370 (1997-01-01), Rogers
Kabushiki Kaisha Toshiba
Le Amanda T.
Vo Don N.
LandOfFree
Synchronous signal output circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Synchronous signal output circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Synchronous signal output circuit will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-96843