Question 6 A common-source amplifier using an E-MOSFET is shown in Figure 6. (a) Determine Vos, In, VDs, ac output voltage and voltage gain. Assume that for this particular device, Incon) - 200 mA at Vas= 4 V, Vasuh)-2 V, and g= 23 mS, Vin= 100 mV.

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Question 6
A common-source amplifier using an E-MOSFET is shown in Figure 6.
(a) Determine Vos, In, VDs, ac output voltage and voltage gain. Assume that for this particular
device, Incon) - 200 mA at Vas= 4 V, Vosuh)-2 V, and gm= 23 mS, Vin= 100 mV.
(b) If load resistor R and bypass capacitor C; is removed, evaluate the effect of ac output voltage
and voltage gain in relative to their values in Question 6(a).
(c) Design a new common-source amplifier using an E-MOSFET with a better voltage gain
compared to Question 6(a).
VDD
+15 V
Rp
C2
3.3 kn
Vat
4.7 M
10 μΕ
Vin
0.01 μF
R2
820 kΩ
RL
33 kn
Figure 6
Transcribed Image Text:Question 6 A common-source amplifier using an E-MOSFET is shown in Figure 6. (a) Determine Vos, In, VDs, ac output voltage and voltage gain. Assume that for this particular device, Incon) - 200 mA at Vas= 4 V, Vosuh)-2 V, and gm= 23 mS, Vin= 100 mV. (b) If load resistor R and bypass capacitor C; is removed, evaluate the effect of ac output voltage and voltage gain in relative to their values in Question 6(a). (c) Design a new common-source amplifier using an E-MOSFET with a better voltage gain compared to Question 6(a). VDD +15 V Rp C2 3.3 kn Vat 4.7 M 10 μΕ Vin 0.01 μF R2 820 kΩ RL 33 kn Figure 6
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