Chapter 2 Question Bank

Answers:
i) ni @300 K (2.41 x 1013 cm-3)
ni @600 K (4.07 x 1016 cm-3)
ii) no = Nd =  5 x 1016 cm-3 and
po = 1.16 x 1010 cm-3


Answers:
i) 1.76 x 1016 cm-3
ii) 0.263 pF


Answer: ID = 3.68 mA


Answers: VD = 0.45 V and ID = 0.16 mA


Answers: Vo = -0.4416 V and I = 2.072 mA


Answers:
y-intercept = 10 mA
x-intercept = 10 V
Q-points ( 0.7, 9.3)


Answers:
y-intercept = 40 mA
rf = 92.5 ohm


Answers:
iD1 = 2.575 mA, vo = – 1.725 V


Answers:
ID = 0.73 mA, id = 0.0249 sin wt (mA)


Answers:
ID1 = 0.726 mA, ID2 = 0.14 mA


Answers:
i) VPS = 5 V, R = 2 k-ohm
ii) ID = 2.135 mA, rf = 14 ohm
iii) vo = 0.1988 sin wt (V)