Read channel gate generator with self-adjusting pulse width comp

Details Read channel gate generator with self-adjusting pulse width comp Read channel gate generator with self-adjusting pulse width comp

1981-04-10

1983-08-09

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307350, 307362, 307267, 328117, H03K 506

Patent

active

043981542

ABSTRACT:
A gate generator circuit for receiving a pulse type input data signal, wherein the locations of the pulse peaks are representative of the data, includes a comparator for comparing voltage levels of the pulses of the input signal with a reference voltage applied to the comparator so as to generate rectangular pulses, the reference voltage being varied in a controlled manner to assure that each rectangular pulse has at least a prescribed minimum time duration. A tapped delay line and logic circuits coupled to selected taps thereof respond to the rectangular pulses to produce a gating pulse signal by symmetrically expanding the rectangular pulses if the pulse widths thereof are less than or equal to a predetermined time duration and by transmitting the rectangular pulses unchanged in pulse widths if the pulse widths thereof are greater than the predetermined time duration.

REFERENCES:
patent: 3426159 (1969-02-01), Mann
patent: 3659211 (1972-04-01), Norton
patent: 4135160 (1979-01-01), Gagliani

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