Multi-function circuit with double ended charging system

Details Multi-function circuit with double ended charging system Multi-function circuit with double ended charging system

1988-03-24

1989-09-12

Miller, S. D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307596, 307265, 307518, 328109, 331143, G06G 712, H03K 513

Patent

active

048663115

ABSTRACT:
A multi-function circuit including an oscillator, a pulse generator and an integrator which share a common timing capacitor. The pulse generator is run by double ended charging of the timing capacitor. The integrator shares the threshold setting circuitry of the oscillator and in turn the pulse generator shares and makes use of the threshold setting circuitry of both the integrator and the oscillator. During operation of the pulse generator, positive feedback through the capacitor aids in providing a rapid and complete discharging of the timing capacitor 16 below the lower threshold of the oscillator. A selector input selects between the oscillator and pulse generator and the integrator provides a predetermined time delay in which the selection is verified.

REFERENCES:
patent: 3965666 (1976-06-01), Williams
patent: 4506177 (1985-03-01), Raab
patent: 4536667 (1985-08-01), Masuda
patent: 4679006 (1987-07-01), Skoutas
"Pulsing a PROM's Supply Voltage Greatly Reduces the Energy Used", Electronic Design, vol. 25, Aug. 1977, by Peter Ernst.

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