Circuit for producing timing pulses in the regeneration of squar

Details Circuit for producing timing pulses in the regeneration of squar Circuit for producing timing pulses in the regeneration of squar

1980-12-16

1982-11-23

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328 63, 328 73, 307269, 307518, H03K 1332, H03L 700

Patent

active

043607810

ABSTRACT:
To obtain timing signals which continue essentially in phase even in the case of signal drop-out, a timing signal is supplied to a phase comparator which is also connected to a variable oscillator. Low-frequency output of the comparator is supplied to circuitry which, in the case of signal drop-out, initially retains a most recently encountered frequency and which then gradually shifts to a frequency which is the average of recent frequencies.

REFERENCES:
patent: 2984789 (1961-05-01), O'Brien
patent: 3080487 (1963-03-01), Melloti et al.
"A High Speed Regenerator for Digital Signals", by L. J. Harrison (Marconi Review 1974) (2nd Quarter, pp. 93-105).

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