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Operational Amplifier PPT

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Operational Amplifier Contents ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ Introduction OPAMP Symbol Internal block diagram Open-loop configuration Common mode rejection ratio OPAMP equivalent circuit OPAMP characteristics Closed-loop configuration Contents ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ Inverting Amplifier Non-inverting Amplifier Summing Amplifier Difference Amplifier Differentiator Integrator Tutorials Reference book ⚫ OPAMPS and Linear Integrated Circuits by Ramakanth Gayakwad Introduction Operational Amplifier (OPAMP) is a very high gain amplifier fabricated on Integrated Circuit (IC) ⚫ Finds application in ⚫ Audio amplifier ⚫ Signal generator ⚫ Signal filters ⚫ Biomedical Instrumentation ⚫ ⚫ And numerous other applications Introduction ⚫ Advantages of OPAMP over transistor amplifier ⚫ Less power consumption ⚫ Costs less ⚫ More compact ⚫ More reliable ⚫ Higher gain can be obtained ⚫ Easy design OPAMP terminals +VC C Non inverting input + Inverting input – Output –VEE OPAMP terminals OPAMP terminals If input is applied to non inverting input terminal, then output will be in-phase with input ⚫ If input is applied to inverting input terminal, then output will be 180 degrees out of phase with input ⚫ If inputs are applied to both terminals, then output will be proportional to difference between the two inputs ⚫ OPAMP terminals Two DC power supplies (dual) are required ⚫ Magnitudes of both may be same ⚫ The other terminal ...
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