Transistor circuit

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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Details

307254, 328145, H03K 1700

Patent

active

040912957

ABSTRACT:
The collector of an NPN transistor is connected to the inverting terminal of an operational amplifier to cause a collector current of the NPN transistor to be inverted by the operational amplifier. The combination circuit of the NPN transistor and operational amplifier equivalently works as a PNP transistor.

REFERENCES:
patent: 3320530 (1967-05-01), Pearlman
patent: 3714462 (1973-01-01), Blackmer
patent: 3790819 (1974-02-01), Chamran
patent: 3967105 (1976-06-01), Harrington
Op Amps Generale Precision Staircase by Gerald Graeme, Electronics 1/72, p. 58.

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