Adaptive manchester decoding with adjustable delay and power sav

Details Adaptive manchester decoding with adjustable delay and power sav Adaptive manchester decoding with adjustable delay and power sav

1995-06-07

1998-03-10

Gaffin, Jeffrey A.

Coded data generation or conversion

Digital code to digital code converters

To or from nrz codes

375333, 375360, 375361, 455343, H03M 512

Patent

active

057266506

ABSTRACT:
A method and apparatus for recovering clock and data signals from a Manchester code is provided. The present invention uses a phase lock loop with a digital delay line wherein an adjustable delay is introduced into the Manchester coded signal for synchronizing the coded signal with the local clock of the decoding apparatus. This delaying technique enables the present invention to successfully receive Manchester coded signals having substantial jitter. The present invention also conserves energy by reducing power consumption when no signals are present.

REFERENCES:
patent: 4984255 (1991-01-01), Davis et al.
patent: 5003562 (1991-03-01), Van Driest et al.
patent: 5023891 (1991-06-01), Johnson, III
patent: 5109530 (1992-04-01), Stengel
patent: 5404544 (1995-04-01), Crayford
patent: 5422807 (1995-06-01), Mitra et al.

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