Signal processor for plural frequency detection and tracking ove

Details Signal processor for plural frequency detection and tracking ove Signal processor for plural frequency detection and tracking ove

1982-02-05

1984-06-05

Miller, Stanley D.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Plural oscillators controlled

328137, 328167, 331 31, 333132, 343 5SA, H03H 1104, H03L 706

Patent

active

044531370

ABSTRACT:
A signal processor circuit including a plurality of similar cascaded stages, each of which is capable of locking onto and tracking a different frequency of a multiple-frequency composite signal applied to the processor. Each of the stages may comprise a frequency locked loop plus a variable frequency stop, wherein the tuning of the variable frequency stop tracks the output of the frequency locked loop. The variable frequency stop circuit passes the non-locked components to the next similar stage which locks onto one of the remaining components.

REFERENCES:
patent: 2816270 (1957-12-01), Lewis
patent: 3327227 (1967-06-01), Sykes et al.
patent: 3531722 (1970-09-01), Seibold
patent: 3675132 (1972-07-01), Hansen et al.
patent: 4400700 (1983-08-01), Rittenbach
W. D. Lewis et al., "A Non Reflecting Branching Filter for Microwaves", B Telephone Systems Technical Publications (vol. 27, pp. 83-95, Jan. 1948 of Bell System Technical Journal).

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