Question 2 25 Marks A Voltage Divider Amplifier Shown In Figure 3 Has An Output Current Ic 2 Ma Based On The Circui 1 (100.93 KiB) Viewed 19 times
Question 2 25 Marks A Voltage Divider Amplifier Shown In Figure 3 Has An Output Current Ic 2 Ma Based On The Circui 2 (72.35 KiB) Viewed 19 times
QUESTION 2 [25 MARKS] A voltage divider amplifier shown in Figure 3 has an output current Ic = 2 mA. Based on the circuit configuration in Figure 3 Calculate the value of resistance, re a) b) c) d) e) f) 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 = 5 kn [25 Marks]
C1 + 0.5 UF Vin R1 33 kOhm IB V BE R2 3 kOhm Ic Figure 3 R3 1.5 kOhm + C2 1 uF Q1 NPN B = 150 R4 750 Ohm Vcc 15 V C3 10 uF + Vout
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