Compensation system for dynamically tracking and nulling local o

Details Compensation system for dynamically tracking and nulling local o Compensation system for dynamically tracking and nulling local o

1989-12-21

1992-02-04

Kuntz, Curtis

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455235, 455317, 455226, H04B 126

Patent

active

050865129

ABSTRACT:
Local oscillator feedthrough in a superheterodyne receiver is eliminated by a servo loop-controlled compensation circuit that dynamically tracks the feedthrough signal and adjusts both the phase and amplitude of a compensating signal as needed to maintain the level of the feedthrough signal below a threshold value.

REFERENCES:
patent: 3781722 (1973-12-01), Pierson
patent: 3870960 (1975-03-01), Hallford et al.
patent: 4100504 (1978-07-01), McGann
patent: 4325023 (1982-04-01), Zirwick
patent: 4355420 (1982-10-01), Ishihara
patent: 4451782 (1984-05-01), Ashida
patent: 4654886 (1987-03-01), Selim
patent: 4811423 (1989-03-01), Eastmond
patent: 4850035 (1989-07-01), Schiller
patent: 4918748 (1990-04-01), Shahriary et al.

Affiliated with

Also associated with

Rating

Compensation system for dynamically tracking and nulling local o does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Compensation system for dynamically tracking and nulling local o, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Compensation system for dynamically tracking and nulling local o will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-351383