High-speed, low-power, ITL compatible driver for a diode switch

Details High-speed, low-power, ITL compatible driver for a diode switch High-speed, low-power, ITL compatible driver for a diode switch

1979-03-02

1981-02-24

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307255, 307262, 307268, 307288, 307317R, 333103, H03K 1712, H01P 115, H03K 1756

Patent

active

042530350

ABSTRACT:
The present invention relates to a driver for a diode switch comprising a complementary arrangement of a first and a second type of transistor across a voltage source. The first type of transistor is coupled to receive only a-c fluctuations in the input signal and is arranged to be not saturated but at cut off at the beginning of each switching subframe and be turned on for a very short time in response to a predetermined a-c input transition. The second type of transistor is coupled to receive a-c and d-c input signal fluctuations and has a resistive element for limiting the forward-biased current through the diode switch when turned on. A resistive element across the emitter collector terminals of the first type of transistor maintains the appropriate back-biasing potential on the diode switch when both transistors are cut off.

REFERENCES:
patent: 3103595 (1963-09-01), Logue
patent: 3497723 (1970-02-01), Nelson
patent: 3708697 (1973-01-01), Georgopoulos
patent: 3710145 (1973-01-01), Williamson et al.
patent: 3725679 (1973-04-01), Darrow
patent: 3858059 (1974-12-01), Khanna
patent: 4196381 (1980-04-01), Standing
Microwave Diode Control Devices by Garver, Appexdix F, pp. 359-364, copyright 1976, Artech House.
Microwaves, Aug. 1972, vol. 11, No. 8, pp. 50-55; "Pin-Driver Design Saves Time", by Georgopoulos.
The Bell System Tech Journal, Nov. 1971, vol. 50, No. 9, pp. 2917-2945, "An Experimental MM-Wave Path Length Modulator", by Clemetson et al.

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