Category: Operational amplifiers 

An operational amplifier, or op-amp, is a high-gain differential amplifier designed to compare two input voltages and produce an output that reflects their difference, making it one of the most versatile building blocks in analog electronics. With extremely high input impedance, very low output impedance, and a large open-loop gain, an op-amp can be configured using external resistors and components to perform a wide range of functions such as amplification, filtering, summing, integration, differentiation, and signal conditioning. Because of this flexibility and its predictable linear behavior when used with feedback, the op-amp is foundational in audio circuits, sensors, control systems, and countless analog signal-processing applications.

 

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Internal identifier: opamp - Created: 2026-02-12 16:36:16