Integrating circuit

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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Details

328128, 307229, 330110, H03K 500, G06G 718

Patent

active

042232716

ABSTRACT:
An integrating capacitor is connected between the inverting input and the output of an operational amplifier. A plurality of resistors are connected in series to the inverting input. A plurality of capacitors are connected between the inverting input and junctions of the resistors respectively. The time required for the output voltage of the operational amplifier to reach a predetermined level is an exponential function of a voltage applied to the inverting input through the resistors.

REFERENCES:
patent: 3047808 (1962-07-01), Gray
patent: 3225949 (1965-08-01), Fjallbrant
patent: 3370247 (1968-02-01), Hoffman et al.
patent: 3845398 (1974-10-01), Katz
patent: 3904978 (1975-09-01), Daniels et al.
patent: 3983504 (1976-09-01), Moy

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