Clock distribution circuit for active aperture antenna array

Details Clock distribution circuit for active aperture antenna array Clock distribution circuit for active aperture antenna array

1983-04-21

1985-06-04

Safourek, Benedict V.

Pulse or digital communications

Spread spectrum

Direct sequence

343372, 331 60, H03B 2101

Patent

active

045218935

ABSTRACT:
A system for communicating a time reference or clock signal to a plurality of processors over substantial distances where propagation time between units is significant compared to the processing time. The timing signal is in the form of two continuous sinusoidal waves of different frequency but equal amplitude, which are added to give equal contributions in the resultant composite, two frequency, sum signal. The resulting waveform has sharply defined nulls occurring at the difference frequency which are used as a precise time reference.

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