Pulse or digital communications – Synchronizers – Phase displacement – slip or jitter correction
Patent
1994-06-27
1995-10-17
Tse, Young
Pulse or digital communications
Synchronizers
Phase displacement, slip or jitter correction
327156, 327236, 327244, H03D 324, H03L 706
Patent
active
054597560
ABSTRACT:
A sampling phase detector for a data bit synchronizer produces a constant level in the absence of data bit transitions. Reference voltages are provided and a switch selects between these reference voltages to provide an output which changes only when a data bit is detected and otherwise remains at a constant level. A loop filter operates together with the sampling phase detector to provide the constant voltage output in the absence of data bit transitions.
REFERENCES:
patent: 4987373 (1991-01-01), Soo
patent: 5319680 (1994-06-01), Port et al.
Kao Joseph H.
Stilwell James H.
Bogacz Frank J.
Motorola Inc.
Tse Young
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