Analog operation circuit using a multi-collector lateral transis

Details Analog operation circuit using a multi-collector lateral transis Analog operation circuit using a multi-collector lateral transis

1976-07-13

1978-01-31

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307299B, 357 35, 357 36, G06G 712, H01L 2972

Patent

active

040717780

ABSTRACT:
An analog operation circuit using a lateral transistor element having an emitter region, a base region disposed adjacent to and around the emitter region, a first collector region disposed in the base region adjacent to the emitter region through part of the base region, and a second collector region disposed outside the first collector region to surround the outside of the first collector region through part of the base region. The circuit comprises a first input means for applying a first input signal to the base of the transistor element, a second input means for applying a second input signal to the first collector of the transistor element, an output means derived from the second collector of the transistor element, and a bias means connected to the first collector for applying such a bias voltage that makes the transistor element operate in the saturation region. This analog operation circuit is afforded with an analog operation function by the utilization of the characteristics of such a lateral transistor, and has a simple circuit structure and a reduced number of circuit elements.

REFERENCES:
patent: 3725683 (1973-04-01), Andersen
patent: 3742256 (1973-06-01), Frederiksen et al.
patent: 3914622 (1975-10-01), Pezzolo
"Nonsaturating Complementary Transistor Circuit," by Schuenemann et al., IBM Tech. Discl. Bull., vol. 13, No. 3, pp. 710-711.

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