Operaatiovahvistimen
An operational amplifier, often called an op-amp, is a direct-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output. An op-amp is typically used in conjunction with feedback components such as resistors and capacitors to perform a wide variety of analog operations. It is a key component in many analog electronic circuits, including amplifiers, filters, integrators, differentiators, and oscillators.
The ideal op-amp has infinite open-loop gain, infinite input impedance, zero output impedance, infinite bandwidth, and
Op-amps are widely used in signal processing, control systems, and power supplies. Their versatility and relatively