![]() ![]() Non-Inverting Input: A positive voltage applied to this input terminal will lead to a positive swing at the output. 2 Effect of signal at inverting input on the output Inverting Input: A positive voltage applied to this input terminal will lead to a negative swing at the output. They have their names according to the functions performed by them. The positive terminal of the input is called the “ non-inverting” input and the negative terminal is called the “ inverting” input. The schematic representation of the op-amp is shown below. ![]() Today, operational amplifiers have become a popular building block in electronic circuits.Īs said earlier, the operational amplifier has two inputs and a single output. ![]() The reason behind it being called as “operational” is that, in early days when digital computers were not evolved, at that time, the basic “mathematical operations” like addition, subtraction, differentiation and integration were performed by them. As the name suggests, it is basically an amplifier, whose job is to amplify the input signals. ![]()
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