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中国矿业大学20142015学年第二学期
《模拟电路基础》试卷(A卷)
《Fu
dame
talsofA
alogElectro
icCircuits》
考试时间:100分钟学院
题号得分阅卷人:焦杨ⅠMultipleChoice
考试方式:闭卷姓名
ⅣⅤⅥ
20155学号
Ⅶ总分
班级
ⅡⅢ

30
1、TheTheve
i
resista
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termi
alsAa
dBi
Fig1is
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Fig12Whichofthefollowi
gstateme
tsistrueaForaresistorthevoltagea
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tarei
phasebFora
i
ductorthecurre
tlagsthevoltageby90°cForacapacitorthecurre
tleadsthevoltageby90°dAllofthesearetrue3、Thecurre
tis
i10si
377t33mAa
dthevoltageis
v10si
377t20VThepowerfactoris
a06laggi
gb06leadi
gc08laggi
gd08leadi
g
1
f4Ide
tifytheforwardbiaseddiodesi
Fig2aD1bD23D3
dD1a
dD3
Fig25Twocurre
tsthatare
earlythesamei
ormaloperatio
ofBJTareacollectora
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demittercbasea
demitterdi
puta
doutput6IfR2i
Fig3isope
VCwillai
creasebdecreasec
otcha
ge7Thevoltageacrossaforwardbiasedsilico
diodeisapproximatelya07Vb02Vc0Vddepe
de
to
thebiasedvoltageFig38Theoutputsig
alsofaCCBJTamplifierisalwaysai
phasewiththei
putsig
alsbi
versephasedtothei
putsig
alsclargertha
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putsig
alsdexactlyequaltothei
putsig
als9A
ampliferofFETwithhighvoltagegai
a
dhighi
putresista
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bsourceca
swersaa
dbd
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orb10Aseriesreso
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tcircuithasa10mHi
ductora01uFcapacitora
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tfreque
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Hzisclosetoa31620b5035c801d
o
eofthese
2
fⅡFi
dthepoweroftheixvoltagesourcei
thecircuitshow

10
ⅢTheswitchhasbee
ope
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datheexpressio
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itiale
ergystoredi
i
ductor
10
3
fⅣ.Fi
dtheNorto
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twithrespecttothetermi
alsabi
thecircuitshow

12
ⅤFi
dtheoutputvoltageofthecircuitshow

10
4
fⅥaDesig
aclippercircuitthathasthetra
sfercharacteristicsshow
i
theFigure6Youca
usebatteriesresistorsdiodescapacitorsofa
yvaluedesirea
dallowfor06Vforwarddiodedrops
bDesig
acircuitthatclampsthe
egativepeaksofa
acsig
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6
Youca
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yvaluedesirea
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5
fⅦSketchthesmallsig
alequivale
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dcomputethe
voltagegai
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circuitvoltagegai
i
putimpeda
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powergai
a
doutputimpeda
cefortheamplifiershow
i
theFigure16
6
fr
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