Digital discriminator for determining frequency error of an osci

Details Digital discriminator for determining frequency error of an osci Digital discriminator for determining frequency error of an osci

1979-05-31

1981-12-08

Curtis, Marshall M.

Pulse or digital communications

Repeaters

Testing

375 82, 329122, H04L 2722, H04L 2714

Patent

active

043051510

ABSTRACT:
An adjustable alternating signal having a desired period, P, is applied to a cycle counter arranged to count n cycles and applied to a timer arranged to time out n.multidot.P after a first cycle is applied to the counter and timer. A comparator is coupled to the counter and timer to determine whether the counter reaches its count of n cycles first or whether the timer times out first indicating that the period of the alternating signal is shorter or longer, respectively, than desired. An integrator is responsive to the signal from the comparator for changing the alternating signal which achieves the desired period.

REFERENCES:
patent: 3674935 (1972-07-01), Lawrence
patent: 3813604 (1974-05-01), Denoncourt
patent: 3879665 (1975-04-01), Carlow et al.
patent: 3906376 (1975-09-01), Bass
patent: 4129748 (1978-12-01), Saylor
patent: 4169256 (1979-09-01), Bergman et al.

Affiliated with

Also associated with

Rating

Digital discriminator for determining frequency error of an osci does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Digital discriminator for determining frequency error of an osci, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital discriminator for determining frequency error of an osci will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-570860