Nonsaturating bipolar logic gate having a low number of componen

Details Nonsaturating bipolar logic gate having a low number of componen Nonsaturating bipolar logic gate having a low number of componen

1987-02-17

1988-06-07

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307455, 307456, H03K 19088, H03K 19086, H03K 19082, H03K 19013

Patent

active

047498854

ABSTRACT:
A two input nonsaturating bipolar logic gate consists of just two bipolar transistors plus a pair of resistors plus two voltage buses. One resistor has a resistance R.sub.C and it is connected from one of the voltage buses to the collector of both transistors. The second resistor has a resistance R.sub.E and it is connected from the other voltage bus to the emitter of both transistors. Those resistances R.sub.C and R.sub.E are selected such that R.sub.C /R.sub.E >1 and 0.1<(V.sub.CC -V.sub.BE)R.sub.C /R.sub.E <0.8 V.sub.BE where V.sub.BE is the base to emitter voltage at which each transistor turns on and V.sub.CC is the voltage between the two voltage buses.

REFERENCES:
patent: 3450896 (1969-06-01), Taniguchi et al.

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