These do:
TV set
stereo
automotive computer
desktop PC
digital meter
design and implementation of a buffer circuit using operational amplifier
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operational amplifier
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An instrumentation amplifier is made out of 2 or 3 operational amplifiers.
differentiator is used in t.v.
1.differential amplifier 2.operational amplifier 3.instrumentation amplifier 4.chopper amplifier 5.isolation amplier
Usually output of an amplifier is a voltage ,...but in case of Operational Transconductance Amplifier ,Iout (current ) is the output. This feature, makes it useful for Electronic control of amplifier gain .
design and implementation of a buffer circuit using operational amplifier
Originally such an amplifier did mathematical functions.
The LM358 is an operational amplifier.
It has several but one of the main ones is that it has built in frequency compensation, which its predecessor the 709 operational amplifier did not.
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operational amplifier
analog device
operational amplifier