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Op Amps

Op Amps are an abbreviation for Operational Amplifiers. The term Amps should not be confused with the unit of electric current. In very simple terms, an Op Amp is used to magnify an electrical signal, so that it can become many times more than the initial magnitude. The device is electronic and usually DC coupled.

The operational amplifier was first used in analog computers where it was used for doing mathematical calculations in different circuits. The characteristic of an op amp is largely independent of any temperature variation and as a result, the component is very popular in the consumer, scientific and industrial arenas. Op amps are also very cost effective, and can be used both as independent devices and as a component of any other device.