Frame alignment circuit

Details Frame alignment circuit Frame alignment circuit

1991-09-25

1994-02-15

Kuntz, Curtis

Pulse or digital communications

Spread spectrum

Direct sequence

375106, 3701055, 328 63, H04J 306, H04L 708

Patent

active

052873897

ABSTRACT:
A frame alignment circuit is disclosed which includes multi-stage dividing counters and multi-stage line demultiplexing circuits. The shift pulse for frame synchronizing is converted to the width of the first divided clock signal and applied to the first dividing counter. Accordingly, the frame synchronization is easily established by demultiplexing the high rate multiplexed coded signal even if the number of demultiplexing line is increased.

REFERENCES:
patent: 4698806 (1987-10-01), Graves et al.
patent: 4788681 (1988-11-01), Thomas et al.
patent: 4956854 (1990-09-01), Bengtson
patent: 4965884 (1990-10-01), Okura et al.

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