Page 26 - 電子學含實習

Chapter 7 xږः̒ఙࣖཥ౺᜗ (MOSFET) ׳ɽཥ༩

5. νྡ (1) הͪٙ׳ɽཥ༩dண MOSFET ٙਞᅰ g = 3m℧ dr = 60kΩdϾ R
m
G
d
V
= 2MΩdR = 30kΩdR = 20kΩdۆՉཥᏀᄣू A = V o i މОk
v
D
L
(A) –100c(B) –60c(C) –30c(D) –10f
+V DD
+V
R D DD
V o R D

C 2 V o
V i V i i i C o i o
C 1 C
R G R L i R L
＋ R G R
V GG S C S
－ Z i Z o

ྡ (1) ྡ (2)

6. νྡ (2) הͪٙ׳ɽཥ༩dண MOSFET ٙਞᅰ g = 2mA/VdϾ R = 1MΩd
m
G
V
R = 25kΩdR = 25kΩdR = 2kΩdۆՉཥᏀᄣू A = V o i މОk
v
S
L
D
(A) –100c(B) –50c(C) –25c(D) –10f
i
7. וɪᕚdཥ༩ٙཥݴᄣू A = o މОk
i
i i
(A) –1000c(B) –500c(C) –200c(D) –100f
8. νྡ (3) הͪٙ׳ɽཥ༩dண +V = 18VdR = 6MΩdR = 3MΩdR =
2
1
DD
D
5kΩdR = 0.5kΩdʊٝ MOSFET ٙਞᅰ V = 1.5VdI = 3mAdۆՉཥᏀᄣ
T
S
D
V
ू A = o މОkc(A) –100c(B) –50c(C) –25c(D) –10f
v
V i
+V DD
R D
R 1 V o
V i C 2

C 1
R 2 R S

ྡ (3)

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