An XOR Gate (Exclusive OR Gate) is one of the most important logic gates in digital electronics. It performs a Boolean operation known as exclusive addition, where the output depends on the difference between input values. In simple terms, an XOR gate produces an output HIGH (1) only when the inputs are different from each […]
Active components
NOT Gate (Inverter): Symbol, Truth Table, Logic Circuit, and IC Numbers
A NOT Gate is one of the most fundamental and simplest building blocks in digital electronics. It is a type of logic gate that performs a basic Boolean operation known as logical inversion. In simple terms, a NOT gate produces an output that is the opposite (complement) of its input. If the input is HIGH […]
OR Gate: Symbol, Truth Table, Logic Circuit, and IC Numbers
An OR Gate is one of the most fundamental building blocks in digital electronics. It is a type of logic gate that performs a basic Boolean operation known as logical addition. In simple terms, an OR gate produces an output when any one or more of its inputs are HIGH (1). The output becomes LOW […]
AND Gate: Symbol, Truth Table, Logic Circuit, and IC Numbers
An AND Gate is one of the most fundamental building blocks in digital electronics. It is a type of logic gate that performs a basic Boolean operation known as logical multiplication. In simple terms, an AND gate produces an output only when all of its inputs are HIGH (1). If any input is LOW (0), […]
MOS Capacitor and MOS Capacitance CV Curves Explained
The MOS Capacitor (Metal Oxide Semiconductor Capacitor) is the fundamental electrostatic structure underlying modern semiconductor devices. Every MOSFET, CMOS integrated circuit, DRAM cell, Flash memory array, and nanoscale logic transistor originates from MOS capacitor physics. Understanding MOS capacitor behavior, electrostatics, energy band behavior, and Capacitance Voltage (CV) characteristics is essential for: Semiconductor device physics VLSI […]
Power Diode: Symbol, Construction, Working, Types and Applications
A power diode is a semiconductor device specifically engineered to conduct large currents and withstand high reverse voltages in power electronic circuits. It is fundamentally a PN junction diode, but its internal structure, doping profile, and packaging are optimized for high-power operation rather than low-level signal processing. In power electronic systems, power diodes play a […]





