Question 2: Common Base For the amplifier circuit in Figure Q.1, the transistor parameters are Ica= 1.36 mA, B = 125, VBE = 0.7 V and VA = 0, 1) Draw the mid-frequency AC equivalent circuit of the amplifier. 2) Determine the amplifier input impedance, Zi and output impedance, Zo. 3) Determine the voltage gain, Av=VL/Vi 4) Determine the current gain, Ais=IL/IS C3 10 µF i 100 µF R2 24 k2 Rc 3.9 k2 R, 100 k2 RE 3.3 k2 RL 4.3 k2 Vị VL i, 100 sin ot uA C2 4.7 µF Vcc 10 k2 18 V Zo Figure Q.1

Question
Question 2: Common Base
For the amplifier circuit in Figure Q.1, the transistor parameters are Ica=
1.36 mA, B = 125, VBE = 0.7 V and VA = 0,
1) Draw the mid-frequency AC equivalent circuit of the amplifier.
2) Determine the amplifier input impedance, Zi and output impedance,
Zo.
3) Determine the voltage gain, Av=VL/Vi
4) Determine the current gain, Ais=IL/IS
C3
10 µF
i 100 µF
R2
24 k2
Rc
3.9 k2
R,
100 k2
RE
3.3 k2
RL
4.3 k2
Vị
VL
i,
100 sin ot uA
C2
4.7 µF
Vcc
10 k2
18 V
Zo
Figure Q.1
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Transcribed Image Text

Question 2: Common Base For the amplifier circuit in Figure Q.1, the transistor parameters are Ica= 1.36 mA, B = 125, VBE = 0.7 V and VA = 0, 1) Draw the mid-frequency AC equivalent circuit of the amplifier. 2) Determine the amplifier input impedance, Zi and output impedance, Zo. 3) Determine the voltage gain, Av=VL/Vi 4) Determine the current gain, Ais=IL/IS C3 10 µF i 100 µF R2 24 k2 Rc 3.9 k2 R, 100 k2 RE 3.3 k2 RL 4.3 k2 Vị VL i, 100 sin ot uA C2 4.7 µF Vcc 10 k2 18 V Zo Figure Q.1

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