Digital phase detector in an NRZ bit synchronous system

Details Digital phase detector in an NRZ bit synchronous system Digital phase detector in an NRZ bit synchronous system

1991-06-25

1992-06-30

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307511, 307525, 307527, 307528, 328133, H03K 526

Patent

active

051266024

ABSTRACT:
The object of the present invention is to provide a phase detector comprising three D-type flip-flops, which compares the transition phase of retiming clock pulses with the phase of the center of the unit bit interval of received data, produces the compared result in digital fashion to operate irrespective of the data bit speed and in the form of a phase information that is compatible with a digital circuit.

REFERENCES:
patent: 4222009 (1980-09-01), Moulton et al.
patent: 4246497 (1981-01-01), Lawson et al.
patent: 4385395 (1983-05-01), Tanaka et al.
patent: 4400667 (1983-08-01), Belkin
patent: 4422176 (1983-12-01), Summers
patent: 4663769 (1987-05-01), Krinock
patent: 4752926 (1988-06-01), Goeb
patent: 4773085 (1988-09-01), Cordell
patent: 4777447 (1988-10-01), Mueller
patent: 5036529 (1991-07-01), Shin

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