Wide temperature range switching circuit

Details Wide temperature range switching circuit Wide temperature range switching circuit

1981-01-21

1983-08-23

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307254, 307310, 307317A, 307457, 307458, H03K 19088, H03K 1940

Patent

active

044006357

ABSTRACT:
In a circuit in which a current is supplied to an internal node and in which transistors have their base-to-emitter junctions connected in series between the internal node and a point of reference potential, (m-1) Schottky diodes, poled to conduct current in a direction opposite to that of the "m" base-to-emitter junctions, are connected in series between the internal node and an input terminal; where m is an integer greater than 2. The (m-1) diodes compensate for the change in the base-to-emitter voltages and extend the operating range of the circuit as a function of temperature. Also, the use of two or more diodes connected in series between the input terminal and the internal node decreases the capacitance between the input terminal and the internal node, and reduces the voltage swing at the internal node necessary to turn-on and turn-off the "m" base-to-emitter junctions.

REFERENCES:
patent: 3217181 (1965-11-01), Zuk
patent: 3417260 (1968-12-01), Foster, Jr.
patent: 3428824 (1969-02-01), Linardos et al.
patent: 4037115 (1977-07-01), Lee
patent: 4321490 (1982-03-01), Bechdott

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