In the negative feedback Circuit, the results were obtained 220kn 12 K₂ 0334F www-11 ми 500 mv (P.P) 1 KHZ RL (2) 40 Vi(MVP.P) 320 Vo(MVP.P) 200 Vcc=lov 100 350 300 Find Doutput resistance 4704F 100 150 370 330 Gratest input resistance Vo RL 420 400

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A: Ac equivalent circuitRin=R1∥R2∥rπ     =75000∥3045     =22837500078045=2.926kΩRin≃3kΩAv=βibRc∥RLib rπ…

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Q: thank you

A: Step 1:Step 2:  Step 3:Step 4:

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Operational Amplifier

An operational amplifier also called op amp is an integrated circuit or analog circuit that takes input as a differential voltage and produces output as a single-ended voltage. It is an IC that can amplify weak electric signals.An op amp has one output pin and two input pins. The basic role of an opamp is to amplify the voltage difference between the two input voltages. It is also used in filtering or to perform mathematical operations or in signal conditioning.