Master clock generator for telecommunications system

Details Master clock generator for telecommunications system Master clock generator for telecommunications system

1983-07-22

1986-05-27

Ng, Jin F.

Multiplex communications

Wide area network

Packet switching

375120, H04J 306, H03D 324

Patent

active

045917302

ABSTRACT:
A very stable master clock for satellites is disclosed. Time division multiple access techniques are used to permit individual earth stations to be received by the satellite in separate non-overlapping time slots. The satellite switched time division multiple access systems are compatible with the onboard satellite clock by providing a comparator control logic loop to produce a signal representing the phase difference between the onboard oscillator clock and the earth station. Control signals are generated to correct the voltage controlled oscillator onboard the satellite.

REFERENCES:
patent: 3818453 (1971-08-01), Schmidt et al.
patent: 4232197 (1980-11-01), Acampora et al.

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