"
"
"
c
c
c
???16ccc"""???
bbbvvv   3
?16.2?
bv ?|
Z
￥?¨.,,,,,,,,,,,,,,3
?16.2.25.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,3
?16.2.35.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,3
?16.2.55.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,4
?16.2.65.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,5
?16.2.105.,,,,,,,,,,,,,,,,,,,,,,,,,,,,5
?16.2.125.,,,,,,,,,,,,,,,,,,,,,,,,,,,,6
?16.2.135.,,,,,,,,,,,,,,,,,,,,,,,,,,,,7
?16.2.155.,,,,,,,,,,,,,,,,,,,,,,,,,,,,8
?16.2.175.,,,,,,,,,,,,,,,,,,,,,,,,,,,,9
?16.2.185.,,,,,,,,,,,,,,,,,,,,,,,,,,,,9
?16.2.205.,,,,,,,,,,,,,,,,,,,,,,,,,,,,10
?16.2.225.,,,,,,,,,,,,,,,,,,,,,,,,,,,,11
?16.2.255.,,,,,,,,,,,,,,,,,,,,,,,,,,,,12
?16.3?
bv ?|) ?Z
￥?¨.,,,,,,,,,,,,,,13
?16.3.35.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,13
1
List of Figures
1516.2.2m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,3
2516.2.3m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,4
3516.2.5m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,5
4516.2.6m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,5
5516.2.10m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,6
6516.2.12m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,6
7516.2.13m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,7
8516.2.15m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,8
9516.2.17m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,9
10516.2.18m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,10
11516.2.18m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,10
12516.2.20m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,11
13516.2.22m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,11
14516.2.25m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,12
15516.3.3m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,13
16516.3.3m.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,14
2
16"""???
bbbvvv   
16.2
bbbvvv   ???|||
ZZZ
￥￥￥???¨¨¨
16.2.2
m1
U￥]M1 è
è
^?X?R1 = 2k?RF = 10k?R2 =
2k?R3 = 18k?ui = 1V puob
[333]
m1:516.2.2m
u+ = R3 uiR
2 +R3
= 18￡ 12+18V = 0:9V
?
^¤
uo =
1+ RFR
1
u+ =
1+ 102
￡0:9V = 5:4V
16.2.3
1
¤?ú￥èabv
7? VE
?¨ú′èERF|QM1 è

è
^?1m2
U￥è
^i
!RF R4
k￡
Auf = uou
i
=?RFR
1
1+ R3R
4
[￡￡￡]
yi1 … ifu? … u+ = 0
#¤
ui
R1 =?
uA
RF uA =?
RF
R1 ui
3
m2:516.2.3m
?
if +i3 = i4i1 +i3 = i4
ui
R1 +
uo?uA
R3 =
uA
R4
|uA} ?? ?a¤
uo =?RFR4 +R3 (RF +R4)R
1R4
ui
yRF R4#
uo =?RFR4 +RFR3R
1R4
ui
?
^¤
Auf = uou
i
=?RFR
1
1+ R3R
4
16.2.5
è
^ ?m3
UX?ui1 = 1Vui2 = 2Vui3 = 3Vui4 = 4VR1 = R2 =
2k?R3 = R4 = RF = 1k? puob
[333]
?¨2?èaE pu+
u+ =
ui3
R3 +
ui4
R4
1
R3 +
1
R4
= 3+42 V = 3:5V
4
m3:516.2.5m
?¨?Fe ? puo
uo =
1+ RFR
1==R2
u+? RFR
1
ui1? RFR
2
ui2
=
1+ 11
￡3:5? 12 ￡1? 12 ￡2
V
= 5:5V
16.2.6
pm4
Uè
^￥uoDui￥
1"
Tb
[333]
m4:516.2.6m
uo1 =?RFR
1
ui
uo =?RRuo1?uo1 =?uo1?uo1 =?2uo1 = 2RFR
1
ui
16.2.10
m5
^ ?¨
?
bv F?￥ μ?ú
{ ?èE￥μsbvè
^b
k p
uoDui1aui2￥
1"
Tb
5
[333]
m5:516.2.10m
uo =
1+ KR2R
2
ui2? KR2R
2
uo1
= (1+K)ui2?K
1+ R1=KR
1
ui1
= (1+K)ui2?(1+K)ui1
= (1+K)(ui2?ui1)
16.2.12
1
¨?′èE
LCúbv
￥1 è
è¨BT??
}9RFè
^
?m6
Ub
k￡
ü
uo
ui =?
R2 +R3 +R2R3=R4
R1
[￡￡￡]
m?i1 = i2
m6:516.2.12m
6
'
ui
R1 =?
uD
R2
uD =?R2R
1
ui
?
i3 = i2 +i4 = i1 +i4
uD?uo
R3 =
ui
R1?
uD
R4
uoR
3
=?uDR
3
+ uiR
1
uDR
4
|uD =?R2R
1
ui} ?5
uoR
3
= R2R
1R3
ui + 1R
1
ui + R2R
1R4
ui
uo =?R2R4 +R3R4 +R2R3R
1R4
ui
=?R2 +R3 +R2R3=R4R
1
ui
16.2.13
è
^ ?m7
U
k￡
üuo = 2uib
[￡￡￡]
m7:516.2.13m
7
uo2 =
1+ RR
ui2 = 2ui2
uo1?ui1
R =
ui1?uo2
R
?
^¤
uo = uo1 = 2ui1?2ui2
= 2(ui1?ui2) = 2ui
16.2.15
è
^ ?m8
U
k￡
üiL = uiR
L
b
[￡￡￡]
A1¤?]M1 è
è
^ A21èa?
uo2 = uob
m8:516.2.15m
u1+ = ui?uo2R
2 +R3
R3 +uo2 = ui?uo210+10 ￡10+uo2
= ui +uo2
uo1 =
1+ RFR
1
u1+ =
1+ 1010
u
i +uo
2
= ui +uo
iL = uo1?uoR
L
= ui +uo?uoR
L
= uiR
L
8
16.2.17
m9
U￥è
^?è÷èa1+15Vui1 = 1:1Vui2 = 1Vb
kù¤ ?
{ ?èaa
{èauo?0

6?10V
3￥
HWb
[333]

bv A1¤?μs
è
^A21Bs
è
^b
m9:516.2.17m
?A1 V¤
uo1 =
1+ RFR
1
R
3
R2 +R3ui2?
RF
R1 ui1
= RFR
1
(ui2?ui1) = 2010(1?1:1)V =?0:2V
?A2 V¤
uo =? 1R
4CF
Z
uo1dt =? uo1R
4CF
t
= 0:220￡103 ￡1￡10?6tV = 10tV
uo?0

6?10V
3
HW1
t = uo10 = 1010s = 1s
16.2.18
?/

1"
T
è
^i9
òèE′
(4)uo = 0:5ui (5)uo = 2ui2?ui1bX?RF = 10k?b
[333]
(4)è
^ ?m10
U
uo =?R1R
1
uo1 =?R1R
1
(?RFR
1
ui) = RFR
1
ui
9
m10:516.2.18m
m11:516.2.18m
¤
RF
R1 = 0:5 R1 =
RF
0:5 =
10
0:5k? = 20k?
(5)è
^ ?m11
U
uo =
1+ RFR
1
ui2? RFR
1
ui1 = 2ui2?ui1
¤
1+ RFR
1
= 2 RFR
1
= 1
R1 = RF = 10k?
16.2.20
??m16.2.9
U￥s
è
^? ?TR1 = 50k?CF = 1?Fui ?
m12(a)
U
k
{èauo￥o?b
[333]
(1) t = 0? 10ms
H
uo =? 1R
1CF
Z
uidt =? 150￡103 ￡1￡10?6
Z
5dtV
=? 550￡103 ￡1￡10?6tV
=?100tV
10
m12:516.2.20m
(2) t = 10? 20ms
H
uo =? 1R
1CF
Z
(?5)dt = 100t+K
?t = 10ms = 1100s
Huo =?1V#K =?2b?
^¤
uo = (100t?2)V
uo￥o? ?m12(b)
Ub
16.2.22
m13? puob
[333]
m13:516.2.22m
11
i = ic +if
ui?uc
R = C
duc
dt +
uc
R
ui = RCducdt +2uc
3-¤
uc = 32(1?e? 2RCt)mV
uo =?4RR uc =?4uc
= 6(e? 2RCt?1)mV
16.2.25
m14
^?¨
bv ?
lè
@￥e ?è
^
k9
èERF1? RF5￥E
′b
{
¤μ
?5V500?A￥èaVb
[333]
m14:516.2.25m
12
RF1 = UoI
1
= 55￡10?3? = 1￡103? = 1k?
RF2 = UoI
2
RF1 =
5
0:5￡10?3?1￡10
3
= 9￡103? = 9k?
RF3 = UoI
3
(RF1 +RF2) =
5
0:1￡10?3?(1+9)￡10
3
= 40￡103? = 40k?
RF4 = UoI
4
(RF1 +RF2 +RF3) =
5
0:05￡10?3?(1+9+40)￡10
3
= 50￡103? = 50k?
RF5 = UoI
5
(RF1 +RF2 +RF3 +RF4)
=
5
0:01￡10?3?(1+9+40+50)￡10
3
= 400￡103? = 400k?
16.3
bbbvvv   ???|||))) ? ? ?ZZZ
￥￥￥???¨¨¨
16.3.3
m15
^Tè
^￥Z mbui1ui2sY ?1
??.? 
ì?


i
=]B)B??

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=á
3ui1
6B??
á
e
á
3ui2bí f
Hui1 = ui2
2;Tè
^?Y?
bB??
3 f?

á
e
￥?.? yá
e? ￡ y7?
6ú? y7
6B??

6?
¤?
^á
3μ′èa(ui2?ui1)??μ′èa9ú?B?
′
H?;=
5?
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t ?Y]
HTb h?m
UZ m
!9è
^b
[333]
!9Tè
^ ?m16
U h1?msb
m15:516.3.3m
13
m16:516.3.3m
14
15