Direct digital synthesizer with high resolution tracker

Details Direct digital synthesizer with high resolution tracker Direct digital synthesizer with high resolution tracker

1997-05-02

1999-10-05

Vo, Don N.

Pulse or digital communications

Synchronizers

Phase displacement, slip or jitter correction

375375, 36471802, 327106, H03D 324

Patent

active

059636076

ABSTRACT:
A chirp direct digital synthesizer is formed with a phase and frequency tracker circuit to provide both enhanced resolution and reduced power consumption. The phase and frequency tracker circuit operates at a sub-synchronous clock rate and provides periodic phase and frequency correction data to the direct digital synthesizer. The phase and frequency tracker circuit is suitable for both continuous wave and chirp direct digital synthesizer operation.

REFERENCES:
patent: 5654657 (1997-08-01), Pearce
patent: 5710517 (1998-01-01), Meyer
patent: 5757239 (1998-05-01), Gilmore

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