Data communication system

Details Data communication system Data communication system

1989-12-29

1993-12-07

Olms, Douglas W.

Pulse or digital communications

Spread spectrum

Direct sequence

328 381, H04L 704

Patent

active

052689310

ABSTRACT:
In a data communication system, apparatus provides a clock signal having a frequency of twice the frequency of a first clock signal. A time delay circuit delays the first clock signal by a time delay to provide a delayed first clock signal. An exclusive OR circuit is coupled to the first clock signal and the delayed first clock signal. The output of the exclusive OR is a second clock signal having a frequency twice the frequency of the first clock signal.

REFERENCES:
patent: 4375694 (1983-03-01), Kuhn
patent: 4542420 (1985-09-01), Kozlik et al.
patent: 4843331 (1989-06-01), Yang

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