Clock synchronization for data communication receiver

Details Clock synchronization for data communication receiver Clock synchronization for data communication receiver

1979-06-07

1981-02-24

Robinson, Thomas A.

Pulse or digital communications

Spread spectrum

Direct sequence

H04L 300

Patent

active

042531888

ABSTRACT:
With respect to a synchronous communications receiver, this specification discloses a decoder for generating a clock signal to synchronize the receiver with the information data rate of the received signal. The implementation of a decoder apparatus as a periodic finite state machine allows a clock signal to be extracted from the energy or transitions of the encoded signal. Such a decoder can define clock information over a large range of data rates. A bandpass filter tuned to the characteristic frequency being received can be coupled to the input of the decoder to limit the synchronization range to that desired by the receiver.

REFERENCES:
patent: 3838214 (1974-09-01), Lind
patent: 4010421 (1977-03-01), Lind
patent: 4083005 (1978-04-01), Looschen

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