Diode and varistor simulator

Details Diode and varistor simulator Diode and varistor simulator

1980-11-03

1982-11-23

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307493, 307551, H03K 508

Patent

active

043607462

ABSTRACT:
An active circuit for modeling desireable diode and varistor characteristics in signal limiting circuits. The circuit includes a resistor arrangement for setting the desireable threshold voltage to an operational amplifier, the other input of which is connected to a reference voltage level. The amplifier output is tied back to the circuit input and to one input of a second amplifier. A second input is connected to the reference voltage level to act as a current sensor to vary the threshold level in response to the current flow.

REFERENCES:
patent: 3541350 (1970-11-01), Lvetze
patent: 3839647 (1974-10-01), Simmons
patent: 4200843 (1980-04-01), Egami et al.

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