Electronic switches

Details Electronic switches Electronic switches

1976-04-19

1978-02-21

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307254, 307300, H03K 1700

Patent

active

040755118

ABSTRACT:
This invention relates to electronic switches for driving a load, for example, a capacitive load. Specifically, the switch of the invention includes means for producing a first pulsed current of a certain value and for a period of time sufficient to charge the capacitive load, means for producing a second holding current sufficient to supply leakage current to the load, the input having one side thereof connected in circuit with a reference voltage to which it is required to switch the load and having the other side thereof connected to the emitter of a transistor, with the base of the transistor driven from a potential divider disposed across the input and with the collector of the transistor connected to the capacitive load, and a diode connected between the collector of the transistor and the reference voltage so that when the transistor conducts, current is drawn from or fed to the load until the output voltage is higher than the reference, whereupon the output is clamped by the current flowing through the diode.

REFERENCES:
patent: 3133208 (1964-05-01), Lentz
patent: 3471720 (1969-10-01), Radnor
patent: 3868517 (1975-02-01), Schoeff

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