Good morning, Can you introduce some basis knowledge about operational amplifier? Thank you!!

Good morning,

Can you introduce some basis knowledge about operational amplifier?

Thank you!!

Expert Solution

Given that

An Operational Amplifier, or op-amp for short, is fundamentally a voltage amplifying device designed to be used with external feedback components such as resistors and capacitors between its output and input terminals.

These feedback components determine the resulting function or “operation” of the amplifier and by virtue of the different feedback configurations whether resistive, capacitive or both, the amplifier can perform a variety of different operations, giving rise to its name of “Operational Amplifier”.

Operational Amplifiers, or Op-amps as they are more commonly called, are one of the basic building blocks of Analogue Electronic Circuits.

A fully differential amplifier which is like an op-amp, but with two outputs.

The instrumentation amplifier which is usually built from three op-amps,

The isolation amplifier which is like an instrumentation amplifier, but with tolerance to common-mode voltages that would destroy an ordinary op-amp

A negative-feedback amplifier which is usually built from one or more op-amps and a resistive feedback network.

Manojponduru answered 1 year ago

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