C
4
LF351N
1N914
C
JP1
123
POWER
15V15V
15VR515MC2
15p
J2
C3
1
047u
R6
2
39K
OUTPUT
D
D
1
2
3
4
5
6
２．元件表
Desig
atorLibRef
Descriptio

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

J2
Header2Header2Pi

JP1
Header3Header3Pi

R1
Res1
Resistor
R2
Res1
Resistor
R3
Res1
Resistor
R4
Res1
Resistor
R5
Res1
Resistor
R6
Res1
Resistor
U1
LF351NWideBa
dwidthJFETI
putOperatio
alAmplifier
Footpri
tComme
t
RAD03
12p
RAD03
15p
RAD03
047u
DSOC2X331N914
DSOC2X331N914
HDR1X2
INPUT
HDR1X2
OUTPUT
HDR1X3
POWER
AXIAL03
750K
AXIAL03
750K
AXIAL03
68
AXIAL03
120
AXIAL03
15M
AXIAL03
39K
DIP8
LF351N
１．电路图
练习七Ａ／Ｄ转换器
f1
2
3
4
5
6
A
A
R112
10KQ12N3904
JP1
12
1
2
12
3
POWER
B
D2
12
B
7
1N4148
7
U18
2
D1
U28
6
2
J2
3
6
5
1N4148
3
R21
5
12
4
2K
LM741H
1
OUTPUT
4
LM741H
R4
12
20K
C
J1
R3
1
2
10K
INPUT
12
C
J3
12
R520K
REF
CyclicADCo
verter
D
D
1
2
3
4
5
6
２．元件表
Desig
atorLibRef
Descriptio

D1
Diode
DefaultDiode
D2
Diode
DefaultDiode
J1
Header2Header2Pi

J2
Header2Header2Pi

J3
Header2Header2Pi

JP1
Header3Header3Pi

Q1
2N3904NPNGe
eralPurposeAmplifier
R1
Res1
Resistor
R2
Res1
Resistor
R3
Res1
Resistor
R4
Res1
Resistor
R5
Res1
Resistor
U1
LM741HOperatio
alAmplifier
U2
LM741HOperatio
alAmplifier
Footpri
tDSOC2X33DSOC2X33HDR1X2HDR1X2HDR1X2HDR1X3BCYW3D47AXIAL03AXIAL03AXIAL03AXIAL03AXIAL03CAN8J9CAN8J9
Comme
t1N41481N4148INPUTOUTPUTREFPOWER2N390410K2K10K20K20KLM741HLM741H
１．电路图
练习八低耗节拍电路
f1ABC
2
3
4
5
U1A
U1B
U1C
1
23
45
6
R2
270
MM74HC04NR168K
MM74HC04N
MM74HC04N
C1001u
LS1
U1D
9
8
MM74HC04N
D11N4001
U1E
11
10
MM74HC04N
R41M
D2R5
10K1N4001
C2
C3
1u
10u
SpeakerQ12N2222A
R347K
LowCostChimeCircuit
VCC
JP1
12
Header2
D
1
2
3
4
5
２．元件表
Desig
ator
LibRef
Descriptio

C1
Cap
Capacitor
C2
Cap2
Capacitor
C3
Cap2
Capacitor
D1
Diode
DefaultDiode
D2
Diode
DefaultDiode
JP1
Header2
Header2Pi

LS1
Speaker
Loudspeaker
Q1
NPN
NPNBipolarTra
sistor
R1
Res1
Resistor
R2
Res1
Resistor
R3
Res1
Resistor
R4
Res1
Resistor
R5
Res1
Resistor
U1
MM74HC04NHexI
verter
Footpri
tRAD03CAPR54X5CAPR54X5DIODE04DIODE04HDR1X2PIN2BCYW3AXIAL03AXIAL03AXIAL03AXIAL03AXIAL03DIP14D197
Comme
t001u1u10u1N40011N4001Header2Speaker2N2222A68K27047K1M10KMM74HC04N
6A
B
C
D6
１．电路图
练习九音频分配放大器
f1
2
3
4
5
6
A
A
AudioDistributio
Amplifier
VCC
4
VCCJP1
1
9V
2
B
3
U1B
6
C2
5
2
7
A
50uRr