And Gate Using Npn Transistor. The first version of the or gate is the simplest one it consists of two paralleled emitter followers sharing a common emitter resistor. We can find buffers not s and s or s nand s and nor s pre packaged in integrated circuits ic chips like those of the 74xx series.
Designing An And Gate Using Transistors Transistors Electronics Circuit Circuit Diagram from in.pinterest.com
In making and gate this module is specially used for providing voltage supply to circuits designed with components on a small scale. In the common emitter configuration transistor gives a phase shift of 180 degrees. Both npn and pnp transistors can be used as switches.
To build a logic and gate you are going to need the following parts.
A pair of npn transistors in series gives us an and gate. Some of the applications use a power transistor as switching device at that time it may necessary to use another signal level transistor to drive the high power transistor. A pair of pnp transistors in series gives us a nor gate. Both npn and pnp transistors can be used as switches.