The transistor in the amplifier circuit shown has k = 0.5 mA/V², VTH = -1 V and λ = 0. Construct an approximate voltage transfer characteristic curve of the amplifier by filling up the table below using the large signal model of the transistor and plotting the results. VI (volts) vo (volts) -2.0 0.0 1.0 Notes assume linear transition to saturation transition to cut-off 2.0 assume cut-off b. If the transistor has constant gain between the two transition points, what Q-point should be selected for maximum output swing?

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The transistor in the amplifier circuit shown has k = 0.5 mA/V²,
VTH = -1 V and λ = 0.
Construct an approximate voltage transfer characteristic
curve of the amplifier by filling up the table below using
the large signal model of the transistor and plotting the
results.
vo (volts)
VI (volts)
-2.0
0.0
1.0
Notes
assume linear
transition to saturation
transition to cut-off
2.0
assume cut-off
b. If the transistor has constant gain between the two transition
points, what Q-point should be selected for maximum output
swing?
c. Approximate the gain of the amplifier at this Q-point.
VI
2.5 V
100 K
Vo
Transcribed Image Text:The transistor in the amplifier circuit shown has k = 0.5 mA/V², VTH = -1 V and λ = 0. Construct an approximate voltage transfer characteristic curve of the amplifier by filling up the table below using the large signal model of the transistor and plotting the results. vo (volts) VI (volts) -2.0 0.0 1.0 Notes assume linear transition to saturation transition to cut-off 2.0 assume cut-off b. If the transistor has constant gain between the two transition points, what Q-point should be selected for maximum output swing? c. Approximate the gain of the amplifier at this Q-point. VI 2.5 V 100 K Vo
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