Phase digitizer for radio communications

Details Phase digitizer for radio communications Phase digitizer for radio communications

1997-12-01

2000-11-14

Pham, Chi H.

Pulse or digital communications

Synchronizers

Synchronizing the sampling time of digital data

375 37, H04L 700

Patent

active

061480509

ABSTRACT:
A phase digitizer and method with error compensation is provided that utilizes recordings from a digitally generated phase reference to measure the relative time between events, such as, for example, between the input zero crossing and sample pulse events. The digital reference has a constant frequency which is equal to the desired signal frequency, and thus the phase of the reference can be used to measure the time between events. Consequently, by using the existing digitally generated phase reference, the hardware "costs" associated with implementing the prior phase digitizer error compensation approaches can be significantly reduced and/or eliminated.

REFERENCES:
patent: 5084669 (1992-01-01), Dent
patent: 5122758 (1992-06-01), Tomita
patent: 5220275 (1993-06-01), Homlqvist
patent: 5367538 (1994-11-01), LaRoss et al.
patent: 5461643 (1995-10-01), LaRosa et al.
patent: 5625652 (1997-04-01), Petranovich

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