segfaultsdrolet.segfaults.net/eee210/problemsac-calculations... · 2019-12-17 · 5. the mosfet is...
TRANSCRIPT
Answers: Units are [V] for voltages, [mA] for currents, [kΩ] for impedances,[m0] for gm.
1. The MOSFET is biased in the active region at the Q-point:
(VGS = 2.926, ID = 9.0740, VDS = 6.963)
The MOSFET’s transconductance gain is gm = 42.60.
The amplifier’s characteristics are:
AV = −44.63, AI = −1488., AP = 66390
Zin = 66.67, Zout = 2.2
The range is −0.2130 < vi(t) < 0.1437.
2. The MOSFET is biased in the active region at the Q-point:
(VGS = 4.784, ID = 260.7, VDS = 9.926)
The MOSFET’s transconductance gain is gm = 228.4.
The amplifier’s characteristics are:
AV = 0.8839, AI = 1515., AP = 1339.
Zin = 85.71, Zout = 0.004195
The range is −9.833 < vi(t) < 7.773.
3. The MOSFET is biased in the active region at the Q-point:
(VGS = 2.926, ID = 9.074, VDS = 6.963)
The MOSFET’s transconductance gain is gm = 42.60.
The amplifier’s characteristics are:
AV = 0.9660, AI = 32.20, AP = 31.10
Zin = 66.67, Zout = 0.02294
The range is −6.262 < vi(t) < 6.577.
4. The MOSFET is biased in the active region at the Q-point:
(VGS = 2.635, ID = 0.9125, VDS = 5.217)
The MOSFET’s transconductance gain is gm = 13.51.
The amplifier’s characteristics are:
AV = 67.55, AI = 0.4941, AP = 33.37
Zin = 0.07315, Zout = 10.00
The range is −0.07545 < vi(t) < 0.06755.
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5. The MOSFET is biased in the active region at the Q-point:
(VGS = 2.934, ID = 9.421, VDS = 11.63)
The MOSFET’s transconductance gain is gm = 43.41.
The amplifier’s characteristics are:
AV = −0.7762, AI = −64.68, AP = 50.20
Zin = 100.0, Zout = 1.200
The range is −7.283 < vi(t) < 6.319.
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