Q4: Calculate the voltage gain $v_{o1}/v_{in}$ of the following circuit.
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(a) For the circuit shown in Fig. $5.53,$ show that the gain is $$\frac{v_{o}}{v_{i}}=-\frac{1}{R}\left(R_{1}+R_{2}+\frac{R_{1} R_{2}}{R_{3}}\right)$$ (b) Evaluate the gain when $R=10 \mathrm{k} \Omega$ $R_{1}=100 \mathrm{k} \Omega, R_{2}=50 \mathrm{k} \Omega, R_{3}=25 \mathrm{k} \Omega$
Evaluate the following amplifier circuit to determine the value of resistor R4 in order to obtain a voltage gain (vo/vi) of -120. 500k̦ R2 R4 100̦ R3 R1 Vi 1M̦ Vo IDEAL
Madhur L.
Evaluate the following amplifier circuit to determine the value of resistor R4 in order to obtain a voltage gain (vo/vi) of -120. 500kΩ R2 R4 100Ω R3 R1 Vi 1MΩ IDEAL Vo
Adi S.
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