Res1
Resistor
AXIAL03
100
RY1
RelayDPSTDualPoleSi
gleThrowRelay
DIPP6D33
RelayDPST
S1
SWPB
Switch
SPST2
SWPB
VR1
RPot1
Pote
tiometer
VR5
100
VR2
RPot1
Pote
tiometer
VR5
100
f１．电路图
练习四高输入阻抗差动放大电路
1
2
3
4
5
6
A
A
4
12V
U1A
3
TL082CP
1
R4
R6
1
2
100K
100K
R1
100K
12V
BJ1
8
12V
8
B
123
Header3
8
R22K
12V
2
U2A
3
1
1
TL082CP
J2
12
Header2
4
U1B
R3
6
TL082CP100K
5
2
7
R5100K
12VJP1
12V
C
R7150K
12
C
4
12V
3
Header312V
D
D
1
2
3
4
5
6
２．元件表
Desig
atorLibRef
Descriptio

J1
Header3Header3Pi

J2
Header2Header2Pi

JP1
Header3Header3Pi

R1
Res1
Resistor
R2
Res1
Resistor
R3
Res1
Resistor
R4
Res1
Resistor
R5
Res1
Resistor
R6
Res1
Resistor
R7
ResAdj1VariableResistor
U1
TL082CPWideBa
dwidthDualJFETI
putOperatio
alAmplifier
U2
TL082CPWideBa
dwidthDualJFETI
putOperatio
alAmplifier
Footpri
tComme
t
HDR1X3Header3
HDR1X2Header2
HDR1X3Header3
AXIAL03100K
AXIAL032K
AXIAL03100K
AXIAL03100K
AXIAL03100K
AXIAL03100K
AXIAL07150K
DIP8
TL082CP
DIP8
TL082CP
f１．电路图
1A
B
C
练习五脉宽比例控制电路
2
3
4
5
6
A
R5
PulseWidthProportio
alCo
trollerCircuit
J1
D1
3K
C3
R1
30K
C2
1N645
001
12
Header2
R7
GNDU1A
001
D21N645
6
4
GND
3K
U1B
4
GNDU1C
4
GND
B
4
11
R2
2
150K3
C10005
1
1
LF444CN32V
R415M
5
R6100K
11
2
7
LF444CN
32V
9
10
3
8
R9
1M
LF444CN
R8
11
1M
32V
11
U1D
R12
13
LF444CN
2K1W
12
4
14
Q1
TIP31
R1132V10M
R32M
VR1
32V
R10
2M
JP1
1
C
2
Header2
10K2W
VR25K2W1K
D
D
1
2
3
4
２．元件表
Desig
atorLibRef
Descriptio

C1
Cap
Capacitor
C2
Cap
Capacitor
C3
Cap
Capacitor
D1
Diode
DefaultDiode
D2
Diode
DefaultDiode
J1
Header2Header2Pi

JP1
Header2Header2Pi

Q1
NPN
NPNBipolarTra
sistor
R1
Res1
Resistor
R2
Res1
Resistor
R3
Res1
Resistor
R4
Res1
Resistor
R5
Res1
Resistor
R6
Res1
Resistor
R7
Res1
Resistor
R8
Res1
Resistor
R9
Res1
Resistor
R10
Res1
Resistor
R11
Res1
Resistor
R12
Res1
Resistor
U1
LF444CNQuadLowPowerJFETI
putOperatio
alAmplifier
VR1
ResAdj1VariableResistor
VR2
１．电路图
RPot1
Pote
tiometer
练习六截波器
5
6
Footpri
tComme
t
RAD03
0005
RAD03
001
RAD03
001
DSOC2X331N645
DSOC2X331N645
HDR1X2
Header2
HDR1X2
Header2
BCYW3
TIP31
AXIAL03
30K
AXIAL03
150K
AXIAL03
2M
AXIAL03
15M
AXIAL03
3K
AXIAL03
100K
AXIAL03
3K
AXIAL03
1M
AXIAL03
1M
AXIAL03
2M
AXIAL03
10M
AXIAL07
2K1W
DIP14D197LF444CN
PIN3
10K2W
PIN3
5K2W
f1
2
3
4
5
6
A
A
INPUT
0
T1T2
R2750K
C1
B
OUTPUT
12p
B
0
15V
7
J1
R11
2
2
750K
3
INPUT
U1865
D1R3
68
1N914
R4
1
D2
120
r