A voltage divider amplifier shown in Figure 3 has an output current Ic = 4 mA. Based on the circuit configuration in Figure 3 Calculate the value of resistance, re Draw the complete AC equivalent circuit Calculate the value of the input impedance, Zi Calculate the value of the output impedance, Zo for ro = ∞ Derive the formula of the voltage amplification, Av, for ro = ∞ a) b) c) d) e)

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A voltage divider amplifier shown in Figure 3 has an output current Ic = 4 mA.
Based on the circuit configuration in Figure 3
Calculate the value of resistance, re
Draw the complete AC equivalent circuit
Calculate the value of the input impedance, Z₁
Calculate the value of the output impedance, Zo for ro = ∞
Derive the formula of the voltage amplification, Av, for ro = ∞
Determine the component that needs to be changed in order to change the voltage
amplification, Av
Calculate the value of Zo for ro = 4 k
a)
b)
c)
d)
e)
f)
g)
Transcribed Image Text:A voltage divider amplifier shown in Figure 3 has an output current Ic = 4 mA. Based on the circuit configuration in Figure 3 Calculate the value of resistance, re Draw the complete AC equivalent circuit Calculate the value of the input impedance, Z₁ Calculate the value of the output impedance, Zo for ro = ∞ Derive the formula of the voltage amplification, Av, for ro = ∞ Determine the component that needs to be changed in order to change the voltage amplification, Av Calculate the value of Zo for ro = 4 k a) b) c) d) e) f) g)
+
Vin
C1
1 uF
R1
11 kOhm
IB
V BE
R2
3.3 kOhm
R3
2 kOhm
Figure 3
C2
Q1
NPN B = 120
R4
1 kOhm
1 uF
Vcc
12 V
C3
10 uF
Vout
Transcribed Image Text:+ Vin C1 1 uF R1 11 kOhm IB V BE R2 3.3 kOhm R3 2 kOhm Figure 3 C2 Q1 NPN B = 120 R4 1 kOhm 1 uF Vcc 12 V C3 10 uF Vout
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