In this Physics (electronics) video in Hindi for class 12 we explained the construction of NAND gate using transistors and compared this circuit with the circuit diagram of AND gate. To create this circuit we need to have two transistors connected in series (emitter of the first one is connected to the collector of the other one) and two input signals are feed in the bases of those transistors. NAND gate works opposite of the AND gate. It gives signal in the output, when at least one the inputs have no signal.
In other videos we discussed how to construct other logic gates using transistors and in one of the upcoming videos we will discuss how to construct NAND gate using p-n junction diode.
LOGIC GATES | video lecture in HINDI
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TRANSISTOR - Part 1 | Construction and Working | Bipolar Junction Transistor (BJT) | in HINDI
[ Ссылка ]
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NAND gate using TRANSISTORS | video in HINDI
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