AC wave switching circuit using at least one switching transisto

Details AC wave switching circuit using at least one switching transisto AC wave switching circuit using at least one switching transisto

1974-02-06

1976-04-27

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307254, 307314, H03K 1700

Patent

active

039537471

ABSTRACT:
An AC wave switching circuit in which the collector-emitter path of a switching transistor is inserted in series in the circuit loop of an AC signal to be switched. A control voltage source capable of flowing a DC current greater than a peak value of the AC signal current is connected across the base-emitter path of the switching transistor, so that the switching of the AC signal is performed by the voltage of the control voltage source without flowing any DC current in the collector-emitter path of the transistor. The collector-emitter path of another switching transistor may be connected in series or in parallel with the collector-emitter path of the first-mentioned switching transistor. At least one of a diode and a resistor may be included in the base-emitter path circuit of each switching transistor. The circuit loop may provide an output by transformer coupling or the capacitor coupling.

REFERENCES:
patent: 2956182 (1960-10-01), Norman
patent: 3165640 (1965-01-01), Fitzwater, Jr.
patent: 3188496 (1965-06-01), Ballard
patent: 3289040 (1966-11-01), Pfau et al.
patent: 3466462 (1969-09-01), Houhsome
patent: 3505540 (1970-04-01), Ferrari
patent: 3654485 (1972-04-01), Lotz

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