Integratable transistor circuit for outputting logical levels

Details Integratable transistor circuit for outputting logical levels Integratable transistor circuit for outputting logical levels

1991-03-07

1992-12-15

Westin, Edward P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307455, 307446, 307570, H03K 190175, H03K 1902

Patent

active

051720159

ABSTRACT:
An integratable transistor circuit for outputting logical levels includes a switch stage, a switch stage output current amplifier associated with the switch stage, and a level monitoring circuit associated with the switch stage. The switch stage at least includes at least one transistor serving as a switch element and having a primary current path and a control input serving as a switch stage input. At least one resistor is connected to the primary current path of the at least one transistor at a coupling point serving as a switch stage output. The at least one resistor and the primary current path of the at least one transistor form a series circuit having a first end with the at least one resistor connected to a first supply voltage and a second end connected to a second supply voltage. The level monitoring circuit includes at least one control input receiving a reference voltage for determining a switch stage output level. The level monitoring circuit is connected to the switch stage output for influencing logical levels at the switch stage output, and the level monitoring circuit is connected to at least one of the two supply voltages.

REFERENCES:
patent: 4680480 (1987-07-01), Hopta
patent: 4745304 (1988-05-01), Wilson
patent: 4897613 (1990-01-01), Rao et al.
patent: 4968904 (1990-11-01), Yamashita et al.
patent: 5006731 (1991-04-01), Denda
patent: 5030856 (1991-07-01), Dansky et al.

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