Transistor-transistor logic circuit with improved switching time

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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Details

307456, 307475, 307270, 307280, H03K 19013, H03K 19092, H03K 1704

Patent

active

045352585

ABSTRACT:
A transistor circuit including a pull-down circuit. The pull-down circuit functions to discharge electric charges stored in a base of an output transistor of the transistor circuit and comprises a control transistor, a two-terminal unit (impedance means), and a resistor. The stored electric charges are discharged to ground by way of the two-terminal unit and the resistor. The stored electric charges can be discharged selectively when the output transistor is turned off, with the aid of the control transistor.

REFERENCES:
patent: 4413194 (1983-11-01), Birch
patent: 4413195 (1983-11-01), Birch
patent: 4449063 (1984-05-01), Ohmichi et al.

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