Digital transmission system comprising decision means for changi

Details Digital transmission system comprising decision means for changi Digital transmission system comprising decision means for changi

1996-06-06

1998-09-15

Bocure, Tesfaldet

Pulse or digital communications

Synchronizers

Phase displacement, slip or jitter correction

375326, H04L 700, H03D 324

Patent

active

058090967

ABSTRACT:
A digital transmission system including synchronizing circuits for estimating and compensating for errors between a local oscillator signal and an input signal. The synchronizing circuits include a phase/frequency detector and correction circuit for correcting errors in an unlocked mode, and a phase detection and correction circuit for correcting errors in a locked mode. Requests for changing the synchronization circuits from the locked mode to the unlocked mode are implemented by state control circuits only after application of at least one decision condition. The state control circuits may also save and restore specific adjustments responsive to the decision condition.

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patent: 5301210 (1994-04-01), Vandamme et al.
patent: 5390348 (1995-02-01), Magin et al.
patent: 5541965 (1996-07-01), Daffara
patent: 5596605 (1997-01-01), Kiyanagi et al.
patent: 5644606 (1997-07-01), Martinez et al.

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