Electrically variable impedance circuit with feedback compensati

Details Electrically variable impedance circuit with feedback compensati Electrically variable impedance circuit with feedback compensati

1979-12-21

1982-07-13

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307562, 307264, 307547, H03H 724

Patent

active

043396771

ABSTRACT:
A variable impedance circuit in which nonlinearities caused by the application of a signal are substantially reduced by the use of a feedback circuit for cancelling out the added input current due to the application of the input signal. By using a feedback circuit to obtain the desired improvement in linearity, the gain of the feedback loop can be tailored to obtain the necessary impedance range and output swing in a circuit capable of operating at relatively low power supply voltages.

REFERENCES:
patent: 3649847 (1972-03-01), Limberg
patent: 3761741 (1973-09-01), Hoeft

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