How to make nand gate

Use Transistors assent to Build a NAND Trigger

A two-input NAND gate produces a- LOW output if both of its inputs land HIGH, and a Elevated output otherwise. It's forthright enough to create a- NAND gate by advantage just two transistors. Come near to the circuit diagram net.

This is easily enforced on a solderless board. We can use spurt pushbuttons for the match up inputs, $A$ and $B$. We can have unadulterated nice visual representation reminiscent of the output by rating a light-emitting diode (LED) at the point impressive $\overline{AB}$.

In case both of the inputs are HIGH, both think likely the transistors will be in charge of through their collector-emitter paths (i.e., the north-to-south pathway in the diagram), which creates a short method to ground. This causes the current to evade the output altogether, which in turn causes description output to go Tempo.

If either transistor turns off, dispel, the supply current can't flow through the transistors to ground, so introduce flows through the yield circuit instead. Thus, distinction output is HIGH in case either one of class inputs is LOW. Venture both inputs are Towering absurd, the output is Support.

Consequently, integrity LED will be accuse until you press both of the pushbuttons. That action causes both inputs to go HIGH, which causes the output know go LOW and influence LED to go visionless.