4. a) Given an amplifier circuit in Fig. Q4(a) with input signal Vin = 0.18 Vac, calculate the total gain of the amplifier circuit if R₁=15 kQ, R₂= 25 kn, R3-100k, R4= 250 kN, R₁=150 kN, and R6- 100 ΚΩ.

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4.
a)
Given an amplifier circuit in Fig. Q4(a) with input signal Vin = 0.18 Vac, calculate the total gain
of the amplifier circuit if R₁=15 k2, R₂ = 25 kN, R3=100k, R4= 250 kN, Rs=150 kn, and R6=
100 ΚΩ.
Vin
R₁
www
Gnd
+
R₂
R3
ww
R₁
+
Fig. Q4(a)
B
R₁
ww
R6
ww
out
b)
Deduce the changes in the frequency of each of the output signals when the input signal frequency
is tripled.
Transcribed Image Text:4. a) Given an amplifier circuit in Fig. Q4(a) with input signal Vin = 0.18 Vac, calculate the total gain of the amplifier circuit if R₁=15 k2, R₂ = 25 kN, R3=100k, R4= 250 kN, Rs=150 kn, and R6= 100 ΚΩ. Vin R₁ www Gnd + R₂ R3 ww R₁ + Fig. Q4(a) B R₁ ww R6 ww out b) Deduce the changes in the frequency of each of the output signals when the input signal frequency is tripled.
Expert Solution
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The overall gain of the given circuit can be obtained by analysing the individual stage gain and then we can calculate the overall gain.

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