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Transistor-transistor Logic Gates Equipped with Complex Inverters

Published 28.12.2011 Presenter Valerij Kharybin

Transistor-transistor Logic Gates Equipped with Complex Inverters
Transistor-transistor logic (or TTL) chips use complex inverters. They improve speed performance and load capacity of logic gates.
The basic TTL gate circuit includes three stages.
The input stage implementing the AND operation consists of multiple-emitter transistor VT1 and resistor R1. Damping diodes are connected to all ...