Circuit for processing asynchronous signals having periodic sync

Details Circuit for processing asynchronous signals having periodic sync Circuit for processing asynchronous signals having periodic sync

1996-02-28

1999-08-03

Hsu, Alpus H.

Pulse or digital communications

Receivers

Automatic baseline or threshold adjustment

375318, 375342, 348464, H04N 7087, H04L 2506, H04L 2710, H03L 500

Patent

active

059334584

ABSTRACT:
A circuit for restoring bits transmitted by an asynchronous signal includes a first comparator for comparing the level of the asynchronous signal with a first threshold adjusted as a function of the output of the first comparator during synchronization bursts of the asynchronous signal, and at least a second comparator for comparing the level of the asynchronous signal with a second threshold correlated to the first threshold.

REFERENCES:
patent: 4458206 (1984-07-01), Dellande et al.
patent: 4581731 (1986-04-01), Tomikashi et al.
patent: 4823360 (1989-04-01), Tremblay et al.
patent: 5223930 (1993-06-01), Zato
patent: 5561469 (1996-10-01), Schultz

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