Self-adjusting ramp generator

Details Self-adjusting ramp generator Self-adjusting ramp generator

1979-01-30

1981-05-19

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307228, H03K 408, H03K 604

Patent

active

042687942

ABSTRACT:
Apparatus is provided for generating a self-adjusting saw-tooth wave in response to an input signal containing a plurality of successive start pulses separating time intervals of variable length. The apparatus includes an integrator for generating a ramp signal during each time interval, a comparator for comparing the value of the integrator output signal with a predetermined maximum value and for supplying, at the end of each time interval, the difference therebetween as a correction signal to modify the slope of the ramp signal generated during the next subsequent time interval. The slope of the ramp signal is adjusted to accommodate variations in length of successive time intervals so that the peak value of such ramp signals will equal a predetermined maximum value at the end of successive time intervals of equal length.

REFERENCES:
patent: 3373377 (1968-03-01), Townsend
patent: 3569735 (1971-03-01), Lavender
patent: 3577007 (1971-04-01), Cross
patent: 3714470 (1973-01-01), Goldberg
patent: 3808460 (1974-04-01), Mosca
patent: 4071776 (1978-01-01), Isham
patent: 4131807 (1978-12-01), Korver

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