High Speed data detection and clock recovery in a received multi

Details High Speed data detection and clock recovery in a received multi High Speed data detection and clock recovery in a received multi

1991-01-31

1993-04-20

Kuntz, Curtis

Pulse or digital communications

Repeaters

Testing

375 89, H04L 2549

Patent

active

052048799

ABSTRACT:
An arrangement for high speed data detection and clock recovery in a multi-level data signal is disclosed wherein the received signal wavform is sampled at periodic preselected locations and the samples so obtained are compared to set values representing the expected levels at those locations. In within a permitted tolerance range over a given window of time, an indication of the presence of data is determined. Futher, if such correlation is determined to occur at a periodic rate, symbol-timing (clock) recovery is also indicated. A further embodiment with a dual recovery capability is also disclosed and described.

REFERENCES:
patent: 4984249 (1991-01-01), Long et al.

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