Phase locked loop frequency synthesizer circuit and method for i

Details Phase locked loop frequency synthesizer circuit and method for i Phase locked loop frequency synthesizer circuit and method for i

1981-12-07

1984-05-01

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

3408255, 370124, 455 34, 455 58, H04J 114

Patent

active

044465645

ABSTRACT:
A phase locked loop frequency synthesizer circuit for utilization in a broadband RF modem including a computer controlled transmit and receive function for use in the intertransmission of data on a local network comprising a plurality of the modems. According to the invention, a single phase locked loop frequency synthesizer circuit may be employed to establish both the transmit and receive frequencies, in addition to a method for the intertransmission of data between modems, in which data may be transmitted or received in a synchronous or asynchronous format on a local network.

REFERENCES:
patent: 2419593 (1947-04-01), Robinson
patent: 2529550 (1950-11-01), Harris
patent: 4013840 (1977-03-01), Anderson
patent: 4225828 (1980-09-01), Watanabe et al.
patent: 4229827 (1980-10-01), Bowman
patent: 4254504 (1981-03-01), Lewis et al.
patent: 4332027 (1982-05-01), Malcolm et al.

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