All questions refer to the "simplified" CE amplifier shown below that has no RE at all, and no C3. The voltage divider resistors give RB = 200 k2, and the bias circuit gives lc = 1.5 mA. The transistor has 3 = 100, ro= 60 ks2, C₁=1.5 pF and C= 10 pF. There is no CL. You can neglect rx- VCC Vi 100 RI 1 μF C1 R2 R1 RC 5k 1 μF C2 R3 10k

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All questions refer to the "simplified" CE amplifier shown below that has no RE at all, and no C3.
The voltage divider resistors give RB = 200 k2, and the bias circuit gives lc = 1.5 mA.
The transistor has 3 = 100, ro= 60 k2, C = 1.5 pF and C= 10 pF. There is no CL. You can neglect rx.
VCC
vi
O
O
O
100
RI
O
C
1 μF
C1
R2
R1
What is the SCTC for capacitor C₂?
68.4 rad/s
3.16 ms
15 ms
14.6 ms
RC
5k
1 µF
✓
What is the short-circuit time constant (SCTC) for capacitor C₁?
1.75 ms
94.3 us (u-micro)
200 ms
570 rad/s
G
C2
R3
10k
What is the approximate fi calculated from the SCTC's?
102 Hz
640 rad/s
61.1 rad/s
9.73 Hz
Transcribed Image Text:Help with those 3 questions All questions refer to the "simplified" CE amplifier shown below that has no RE at all, and no C3. The voltage divider resistors give RB = 200 k2, and the bias circuit gives lc = 1.5 mA. The transistor has 3 = 100, ro= 60 k2, C = 1.5 pF and C= 10 pF. There is no CL. You can neglect rx. VCC vi O O O 100 RI O C 1 μF C1 R2 R1 What is the SCTC for capacitor C₂? 68.4 rad/s 3.16 ms 15 ms 14.6 ms RC 5k 1 µF ✓ What is the short-circuit time constant (SCTC) for capacitor C₁? 1.75 ms 94.3 us (u-micro) 200 ms 570 rad/s G C2 R3 10k What is the approximate fi calculated from the SCTC's? 102 Hz 640 rad/s 61.1 rad/s 9.73 Hz
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