Circuit and method for the recovery of data from a digital data

Details Circuit and method for the recovery of data from a digital data Circuit and method for the recovery of data from a digital data

1986-09-29

1987-12-29

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

375106, H04L 702

Patent

active

047165782

ABSTRACT:
The invention provides an interface circuit for connection between an input data port and a data receiver. A data recovery circuit is responsive to a data stream on the input port for generating data pulses corresponding thereto and a clock recovery circuit is responsive to the data pulses for generating clock signals. A circuit is responsive to the clock signals and the data pulses for generating, for each data pulse, a recognition window having a maximum width approximately corresponding to the combined duration of the data pulse being recognized and one of the clock pulses. A data synchronization circuit is responsive to the output from the circuit and to the recovered clock signals for generating synchronous data.

REFERENCES:
patent: 4282601 (1981-08-01), Flora
patent: 4425646 (1984-01-01), Kinoshita et al.
patent: 4453260 (1984-06-01), Inagawa et al.
patent: 4544914 (1985-10-01), Chan et al.
patent: 4620300 (1986-10-01), Ogawa
patent: 4630139 (1986-12-01), Dickens
patent: 4661801 (1987-04-01), Chen et al.

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