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Can someone please summarize and explain in more of a detailed manner this paragraph. Thank you....

Can someone please summarize and explain in more of a detailed manner this paragraph. Thank you.

The Operational Amplifier, or Op-Amp, is an electronic device which can perform mathematical operations such as addition and subtraction, multiplication and division, integration,differentiation, etc. Physically, the Op-Amp has 8 terminals, of which only 5 are of importance to us. Of these 5, there are 3 main terminals. Terminal 1, marked with a “+” sign is the non-inverting terminal, terminal 2, marked with a “-“ sign is the inverting terminal and terminal 3 is the output terminal. The two remaining terminals are bipolar power supplies, +Vsand –Vs.All linear Op-Amps must contain an external “feedback” path between the output terminal and the inverter input terminal. The output voltage Vo,is linearly related to the difference of input voltages. The slope A = ΔVo/ ΔVdis called the open-loop voltage gain. The voltage output has a limitation called saturation. The Op-Amp can be analysed using nodal analysis.

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