What is a Differential amplifier?

A differential amplifier is a type of electronic amplifier that amplifies the difference between two input voltages but suppresses any voltage common to the two inputs....
operational amplifier circuits
Voltage follower
Inverting the op-amp
Non-inverting op amp
Non-inverting summing amplifier
Inverting summing amplifier
Differential amplifier
Integrator
Op amp differentiator
current-to-voltage converter
Negative resistance
Peak detector operation amplifier
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