Assume gm = 5 mA/V and ro= 20k 2. Using the short-circuit time constants approach, which of the coupling capacitors causes the dominant pole in the lov frequency response of the amplifier? Vsig Rsig = 200 ΚΩ www RGI 2 ΜΩ· HH CC1 = 0.1 µF RG2 ΙΜΩ VDD Rs 2 ΚΩ RD 10 ΚΩ 2₁ ww HH Cc2= 0.1 µF Cs=5 µF -OV₂ Rz = 10 ΚΩ

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Q: The voltage vo is? 6 V OV 6V 1V 3V 4V 12V 2V + 4 ΚΩ www 2 ΚΩ + Vo 10

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Q: R(s) Answer: T(s) G1(s) G₂(s) G3(s) G4(s) G5(s) G7(s) G6(s) C(s) G6 G4+G6 G3+G6 G5 G3 + G6 G5 G₂…

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Q: 14. For the RLC circuit shown L₁ 103mH, R₁ = 13602, C₁= 16.7μF, Em = 6.78V, = L₂= 203mH, R₂ = 10002,…

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Q: Find thee transfer function vo/vi. + Vi 10 C ㅔ H- Ri Rf + Vo

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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.