Timing recovery circuit

Details Timing recovery circuit Timing recovery circuit

1982-05-18

1983-12-27

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

375 24, 375 97, 375120, 307269, 331 1A, H04L 702

Patent

active

044235186

ABSTRACT:
A timing signal is generated from a received pulse-amplitude-modulated (PAM) signal by generating a delayed difference signal, multiplying the delayed difference signal by .+-.1 in accordance with a decision signal, averaging the multiplication output to control a voltage-controlled oscillator, and using the oscillator output to clock a sampler/comparator which compares the input signal to a predetermined threshold at time instants determined by the VCO output to generate the decision signal.

REFERENCES:
patent: 4380083 (1983-04-01), Andersson et al.

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