Operational Amplifier (Op-Amp)

An operational amplifier (op-amp) is a versatile electronic component that amplifies small electrical signals. It takes an input signal, compares it to another, and produces a larger output signal proportional to the difference. Used in various devices, op-amps help in processing audio, signals, and data by enhancing weak signals or performing tasks like filtering and mixing. They are fundamental building blocks in many electronic systems, offering precise control and amplification in a compact form.