Logic Gates Using Transistor

by Electroino in Circuits > Electronics

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Logic Gates Using Transistor

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Logic gates are the basic building blocks of any digital system.

Supplies

1. BJT BC547 (4)

2.1k ohm (4)

3. 470 ohms (2)

4. Push Button (4)

5. LED (2)

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Theory

Logic gates using transistors
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Transistor as switch

Downloads

logic gates.brd

AND Logic Gate Using BJT

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Transistors are connected in series.

Connect one terminal of push-button to the base of the transistor and another to Vcc via a 1K resistor

OR Gate Using BJT

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Transistors are connected in parallel.

Connect one terminal of push-button to the base of the transistor and another to Vcc via a 1K resistor