Integration filter for step waveforms

Details Integration filter for step waveforms Integration filter for step waveforms

1980-12-24

1983-06-28

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328127, 328151, 307228, 307490, H03K 490, H03K 600

Patent

active

043908446

ABSTRACT:
A method and apparatus for converting an input step waveform signal into a smooth output waveform signal is comprised of two sample-and-hold circuits (11, 12), one for sampling each step of the input signal and the other for synchronously sampling and holding the output waveform, a circuit (17-20) for providing a signal proportonal to the difference between the samples held in the sample-and-hold circuits, and means (21-23) for integrating the difference. The output of the integrator is connected to the second sample-and-hold circuit while the step waveform to be filtered is connected to the input of the first sample-and-hold circuit. The integrator thus produces an output that is a linear signal during each clock pulse period with a slope equal the sign and amplitude of each step.

REFERENCES:
patent: 3064144 (1962-11-01), Hardy
patent: 3156899 (1964-11-01), Reich et al.
patent: 3184685 (1965-05-01), Funk et al.
patent: 3676698 (1972-07-01), Hunter
patent: 3733600 (1973-05-01), Hellwarth et al.
patent: 3749942 (1973-07-01), Moses
patent: 4276860 (1981-07-01), Capurka
Pulse, Digital & Switching Waveforms by Millman & Taub Copyright 1965 pp. 43-46.

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