Physics, asked by Ahmadharl3395, 1 year ago

With simple schematic of differential amplifier,explain the function of operational amplifier

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Answered by darshanda
0

Thus far away we have got used only one of the op-amp i/ps to connect to the amplifier. The op-amp ‘s two inputs is named as inverting or non-inverting terminal. These terminals are used to amplify one i/p with the opposed input being connected to ground. However, we are able to conjointly connect signals to each of the inputs at the same time designing another common form of op-amp circuit which is called as a differential amplifier. It is basically used as a building block of an operational amplifier which is called as operational amplifier (op-amp). The main function of the differential amplifier is, it amplifies the changes between two i/p voltages. But, conquers any voltage common to the two i/ps. This article gives an overview of differential amplifier along with its mathematical expressions.

All operational amplifiers (op-amps) are differential amplifiers because of their input configuration. When the first voltage signal is connected to the input terminal and another voltage signal is connected onto the opposite input terminal then the resultant output voltage are proportional to the difference between the two input voltage signals of V1 and V2. The output voltage can be solved by connecting each i/p intern to 0v ground using super position theorem.

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