Practice Problem 9-3 Determine the low cutoff frequencies fLB, fLc, fle, the dominant cutoff frequency fi, and Av(mid) in dB for the amplifier circuit of Figure 9-17. Assume B= 200. Vcc o 15 V Vs Rs 1 με oth 1.5 kΩ Ui CB R₁ R₂ 30 ΚΩ 7.5 ΚΩ Rc 33.6 kΩ 1μF 46 Cc 2N2222 CE RE 1.5 k 100 μF Figure 9-17: A common-emitter amplifier Vo R₂ 4.7 k

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Practice Problem 9-3
Determine the low cutoff frequencies fLB, fLC, fLE, the dominant cutoff frequency fi, and
Av(mid) in dB for the amplifier circuit of Figure 9-17. Assume B= 200.
Vcc o 15 V
Vs
1 µF
Rs
카
1.5 ΚΩ Oi CB
R₁
30 ΚΩ
R₂ 7.5 ΚΩ
Rc 3.6 k 1 μF
2N2222
RE 1.5 kn
1.5k
Cc
CE
100 µF
T
Figure 9-17: A common-emitter amplifier
Vo
R₂ 4.7 k
Transcribed Image Text:Practice Problem 9-3 Determine the low cutoff frequencies fLB, fLC, fLE, the dominant cutoff frequency fi, and Av(mid) in dB for the amplifier circuit of Figure 9-17. Assume B= 200. Vcc o 15 V Vs 1 µF Rs 카 1.5 ΚΩ Oi CB R₁ 30 ΚΩ R₂ 7.5 ΚΩ Rc 3.6 k 1 μF 2N2222 RE 1.5 kn 1.5k Cc CE 100 µF T Figure 9-17: A common-emitter amplifier Vo R₂ 4.7 k
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