FM demodulator with self-tuning quadrature detector

Details FM demodulator with self-tuning quadrature detector FM demodulator with self-tuning quadrature detector

1992-12-31

1994-03-08

Grimm, Siegfried H.

Demodulators

Frequency modulation demodulator

Input signal split into plural signals

455214, H03D 306

Patent

active

052931358

ABSTRACT:
A quadrature detector FM demodulates an intercarrier signal operating at an unknown frequency. An LC tank circuit develops a 90.degree. phase shift across inputs of a multiplier. The output signal of the multiplier is amplified and fedback to control a reactance stage and adjust the reactive load at an input of the multiplier so as to maintain a predetermined phase relationship independent of the frequency of the intercarrier signal. A phase compensation stage removes any real component at the inputs of the multiplier also in response to the feedback signal.

REFERENCES:
patent: 4451792 (1984-05-01), Gay

Affiliated with

Also associated with

Rating

FM demodulator with self-tuning quadrature detector does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with FM demodulator with self-tuning quadrature detector, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and FM demodulator with self-tuning quadrature detector will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-156376