Automatic frequency control circuit for control of reference osc

Details Automatic frequency control circuit for control of reference osc Automatic frequency control circuit for control of reference osc

1989-12-06

1996-11-12

Faile, Andrew

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

4551922, 455260, H04B 116

Patent

active

055749984

ABSTRACT:
An automatic frequency control device in which a burst frequency is sampled and held on the output side of an IF amplifier, the held frequency is measured and compared with a preset reference frequency data for obtaining a difference therebetween, and a reference oscillator is controlled so as to keep the difference below a predetermined value, by which the stabilization of an IF frequency and a transmitter carrier wave frequency, both of which are controlled by a reference frequency from said reference oscillator, can be accomplished.

REFERENCES:
patent: 4691377 (1987-09-01), Yoshihara et al.
patent: 4703520 (1987-10-01), Rozanski, Jr. et al.
patent: 4715001 (1987-12-01), Deem et al.
patent: 4932072 (1990-06-01), Toko
patent: 4947409 (1990-08-01), Raith et al.

Affiliated with

Also associated with

Rating

Automatic frequency control circuit for control of reference osc does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Automatic frequency control circuit for control of reference osc, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic frequency control circuit for control of reference osc will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-573849