-
1. 2. 3.
-
1 2 3.
-
1111
-
111 11 12
-
2
122KHz4VRCCS-4125ACH1CH2ALTCHOPCH1CH2V/DIVCH213
-
13
-
13XD360/DXF = F
-
1 CDM-8045A500HACS-4125A1.31820V6.000
-
2.
CH1CH2T/DIV0.2msV/DIV0.5VYXVmT
-
SP1631ASP1641D1KHz0.51V
-
SP1631ASP1641D1KHzCS-4125ACS-4125WY2174ACDM8045ACDM8045
-
2VT/DIV
-
12
-
1.SBL
-
DCV200V2.
-
3.
-
4.
-
5.
-
6.
-
1. 2. 3.
-
71 71
-
1.PNPN0.6 ~ 0.8V0.2 ~ 0.3V VI71QT2
-
71
-
2 Q
-
ICEO0 ICIB
-
72
-
2.72IBIB
3PN500HA7374
-
73 500HA 74
-
R100R1KR10K
-
NPNPNP75a(b)75
-
1B R100R1KNPNPNP NPNPNP
-
2CE
NPN76abcd
-
76 CE
-
76aR1KCEBCBCBCRB4CE100KRB
-
1
500HAR100R1KR10K
-
2 QT2QT2QQ171IDVDIZVZ
-
3
QT2QT2IBIC= IC / IB
-
4
9011500HANPNPNPE()B()C77
-
77
-
1500HAR1R102500HA
-
123
-
8181
-
QRC8182
-
81 82
-
83
-
8-4
-
9013NPN,=100VCC12VICQ =2.4mAAV =100RL =5.1K|AV|100
-
1
33
2R4 VEQ =0.2.3VCC
-
3 I1Q>>IBQVsI1Q =510IBQ
-
4RC RCRLAVRC VCEQRC5C1C2C3
C1C2C3C1C21050FC330100F
-
28-2
Rw2= RC =RW1TICQ IEQ = VEQ / RE Vi = 0
-
8-2 VBEQ0.7VIEQICQ
VCEQ /VVBEQ /VVEQ /VVCQ /VIEQ= VEQ/REICQ= (VCC-VCQ)/RC
-
1
1AV f1KHzVi5mV
-
2Ri
RiViIi
-
84RSVSVi
-
84 Ri 85 RO
-
3Ro
RoRo
-
4BW
BWAVM0.707fHfL
-
f = 1KHzVOVi0.707VOfHVi0.707VOfL
-
5
RW1 RW1VCEQ RW1VCEQ
-
1RCRL2RCRL3RB1RB2?4C3
-
1. 2. 3.
-
9191
-
1
LA4100LA4102DG4100DG4102DG4110DG4112LM386LM386814LA4100DG4100DG4112LM38699293
-
91 LA4100(4102)
-
92 DG4112
-
93 LM386
-
LA41001.V3V5R4R52.V1V2R1R2R3R f3.V4V6R6V5V6 4.V7R7R
85.V8V14R10V12V13NPNV8V14PNPV9V11R9V8V14
-
RfRfRf1001CfRfR11 1V2R11CfRf
-
LM38693
V1~V4V8~V10D1D2
-
2
LA4100LM3869495
-
94 LA4100
-
95 LM386
-
3
1PN
-
2 PE 3AV AV 4AP AP 5BWBW = fH - fL6
-
VCC5VRL =10 PN 0.2W Vi 15mV fH 10KHz, fL 50Hz
OTLPN PE
-
94
1
VOLmax1.414V
Vi 15mV AV 100 AVf R11 / Rf = 20K/Rf Rf 20K/AV =20K/ 100=200 Rf
=100R1+RW 10KR1 =10KRW =47K
-
2CfC1 C9
fLCf
C1 = Ri=1220K
C9 =
-
3C8 C8R10 C8 = R10 =100
4C4C5 C451200pFC5560pF5C2 C3 C6 C7 C2 C3
C6100220FVCCC70.010.1F
-
1 1KHzRW1 2 =
-
3AVf AVf = VOL /Vi
4APAP= Po/Pi=
APri= R
RVSVO2
-
6
SP1631A51
VOn=PN/Pn=
- 1ri 23 VO2
-
123
-
101
101
-
1
-
101
-
102 LM7800
-
1T15 T16DZ12R4T4T5T3DZ2R3R2R1T2 T1
T4T5`R43R12R13T6786784T10T11T12T13T14DZ3DZ4R5R10R11R14~R16
LM7800102
-
103 LM7800LM7900LM117217317137237337TO-220103
-
2104
-
105
-
106
-
3
-
1107
-
2108
-
3 78001.5A1.2A
-
109
-
4
1UOL 2RO ROIOU O3SV 10%
-
UOLUI+10% UOLUI-10% 4SI I O5
= =
=20lgdB
-
6IOmax IOLRL0.5%IOmax
-
12V104
1u2
U Iu2
-
2D1~D4
U RMID
3
C1 C20.01F~0.33F
-
1BTB2u2 u2= V UI = V UOL= V UI=UI~= V UOL=UOL~ V
2RO RO=
3SI
4SV
-
5
= = = 20lg
*2
-
1UI2UO3NPN
-
123
-
111111
-
I+ =I- =0 |V- - V+|=|VO|/AO =0V+ =V-
-
8 14
111
-
1
112VOVIVORF
-
112
-
2 113
-
I+ =I-0
V+V- =VI
-
3114
-
114
VI1 = VI2 = VI3 = VI
R1 = R2 = R3 = RF
Rp = R1 // R2 // R3 // RF
-
4115
-
115
R1R2R3RF
R1R2R3RF
VoVI2-VI1
-
5
VCC/2VCC/21 116VCC/2VoppVCC
-
116
-
2
117Vopp
-
117
-
VoVIVo = -10 VI Vo = 11 VI Vo = 20 VI1 10 VI25VI3Vo =
10VI2VI1
-
1
2
3
2.
1
2
3
-
ri rori =20Mro = 1003. 1RFAufAuf-102R1 = RF /20R2 = RF /10R3 =
RF /53 Rp = RF // R1 // R2 // R3
4.
1RF
2R1 = R2 = RF /10R3 = RF
-
11VI =0VO=0VO2Auf = Vo / VIVI =0.4VAuf =Vo-VO/ VI
-
21VI =0VO=0VO2Auf = Vo / VIVI =0.4VAuf =Vo-VO/ VI31VI1 =VI2
=VI3=0VO=0VO42Vo20VI1 +10VI2+5VI3VI1 =0.2VVI2=0.3VVI3=0.4VVo20VI1
+10VI2+5VI3-VO
-
41VI1 =VI2 =0VO=02Vo10VI2 VI1VI2=1.0VVI1=0.5V*5123Vopp
-
123?
-
3. 4
-
121 121
-
1
121 RfCfVOT1RF1Vf
-
1AVf AV =VO / Vi1+AVFV
-
121
-
2FV
3rif
ri4rof
roAVORL
-
RfRF1T1Rf +RF1Rf122Rf >>RF1Rf >>RL
-
122
-
2
123
-
123
-
ARf R1RPCAVf =VOL / Vi = -Rf / R1Rf
-
12-3AVf = -1012Vrid =2107ro =1001123A741LM358
-
2Rf
3 R1
4 RP Rf R1RPRf / R1=10RP
5
-
11Vi100mVf
=1KHz2Vi1VS1VO1VOL1fH1fL13Rf3RfVi2VS2VO2VOL2fH2fL24
fH1fL1fH2fL2
-
2
1f=1KHzVi5mVViVSVOVOLfHfL2122912VSfVifVOLfVOffHffLf3VE1QVB1QVC1QVE2QVB2QVC2Q41235124VCEQVBEQICQ
-
6 f =1KHz 1
-
12
-
123.
-
141
141
-
1
-
a b
141
-
141ab
-
nVRVuTVLTVHVctrVctrVHn
2
-
a b
142
-
142ab
-
VctrVRmVHVOMn
143RbD1Q
-
143
-
12V10.5VB13.5V143 VR=-15VVuT=13.5VVLT=10.5VVOM=14VnmVHVctrRb
nRRW1R1mRRW2R2
-
1mn2K 2
-
1143D1D22TRb310.5V11.5V13.5V12.5V
