１．电路图
练习一超高输入阻抗低增益放大电路
1
2
3
4
5
6
A
B
J1
12
Header2
C
R122M
1
VCC
R510K
C2
01u
VCCJP1
A
12
Header2
C1
Q2
B
INPUT
2
2N5485
0001u
3
R2
Q1
10M
2N3904
R4
10K
C3
J2
01u
OUTPUT
1
2
C
R3
R6
Header2
1M
1K
D
D
1
2
3
4
5
6
２．元件表
Desig
ator
LibRef
C1
Cap
C2
Cap
C3
Cap
J1
Header2
J2
Header2
JP1
Header2
Q1
2N3904
Q2
JFETN
R1
Res1
R2
Res1
R3
Res1
R4
Res1
R5
Res1
R6
Res1
Descriptio

Footpri
t
Capacitor
RAD03
Capacitor
RAD03
Capacitor
RAD03
Header2Pi

HDR1X2
Header2Pi

HDR1X2
Header2Pi

HDR1X2
NPNGe
eralPurposeAmplifierBCYW3D47
NCha
elJFET
SFMT3A66V
Resistor
AXIAL03
Resistor
AXIAL03
Resistor
AXIAL03
Resistor
AXIAL03
Resistor
AXIAL03
Resistor
AXIAL03
Comme
t0001u01u01uHeader2Header2Header22N39042N548522M10M1M10K10K1K
f１．电路图
练习二混合放大器
1
2
3
4
5
6
A
A
J1
R1
1
2
10KR2
Header2
10K
C1
C2
10pR510K
B
300p
B
12V
12VJP1
12V
8
12V
123
Header3
8
U1A
2
3
1
1
TL082CP
U1B
6
R3
5
2
7
47K
TL082CP
J2
12Header2
R4
4
C
4
220
C
12V
12V
D
D
1
2
3
4
5
6
２．元件表
Desig
atorLibRef
C1
Cap
C2
Cap
J1
Header2
J2
Header2
JP1
Header3
R1
Res1
R2
Res1
R3
Res1
R4
Res1
R5
Res1
U1
TL082CP
Descriptio

Footpri
tComme
t
Capacitor
RAD03300p
Capacitor
RAD0310p
Header2Pi

HDR1X2Header2
Header2Pi

HDR1X2Header2
Header3Pi

HDR1X3Header3
Resistor
AXIAL0310K
Resistor
AXIAL0310K
Resistor
AXIAL0347K
Resistor
AXIAL03220
Resistor
AXIAL0310K
WideBa
dwidthDualJFETI
putOperatio
alAmplifierDIP8
TL082CP
练习三喇叭保护电路
f１．电路图
2元件表
1
2
3
4
5
6
A
A
R8
D2R1
1K
9V
1001N914
Q22N2646
RY1
VR1
R3
D1
RelayDPST
B
100
C1220K
1N914
B
022
J1
123
Header3
Q12N5060
R5
R10
S1
100
100
SWPB
C
VR2
100
C2R4
022220K
CJP1
D3R2
1001N914
Q32N2646
R99V
1K
9V
1
2
Header2
D
D
1
2
3
4
5
6
Desig
ator
LibRef
Descriptio

Footpri
t
Comme
t
C1
Cap
Capacitor
RAD03
022
C2
Cap
Capacitor
RAD03
022
D1
Diode
DefaultDiode
DSOC2X331N914
D2
Diode
DefaultDiode
DSOC2X331N914
D3
Diode
DefaultDiode
DSOC2X331N914
J1
Header3Header3Pi

HDR1X3
Header3
JP1
Header2Header2Pi

HDR1X2
Header2
Q1
SCR
Silico
Co
trolledRectifier
SFMT3E107V2N5060
Q2
UJTN
U
iju
ctio
Tra
sistorwithNTypeBaseCAN3Y14
2N2646
Q3
UJTN
U
iju
ctio
Tra
sistorwithNTypeBaseCAN3Y14
2N2646
R1
Res1
Resistor
AXIAL03
100
R2
Res1
Resistor
AXIAL03
100
R3
Res1
Resistor
AXIAL03
220K
R4
Res1
Resistor
AXIAL03
220K
R5
Res1
Resistor
AXIAL03
100
R8
Res1
Resistor
AXIAL03
1K
R9
Res1
Resistor
AXIAL03
1K
R10
r