DXP放大电路练习题.docx
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DXP放大电路练习题
练习一 超高输入阻抗低增益放大电路
１．电路图
Designator
LibRef
Description
Footprint
Comment
C1
Cap
Capacitor
RAD-0.3
0.001u
C2
Cap
Capacitor
RAD-0.3
0.1u
C3
Cap
Capacitor
RAD-0.3
0.1u
J1
Header2
Header,2-Pin
HDR1X2
Header2
J2
Header2
Header,2-Pin
HDR1X2
Header2
JP1
Header2
Header,2-Pin
HDR1X2
Header2
Q1
2N3904
NPNGeneralPurposeAmplifier
BCY-W3/D4.7
2N3904
Q2
JFET-N
N-ChannelJFET
SFM-T3/A6.6V
2N5485
R1
Res1
Resistor
AXIAL-0.3
2.2M
R2
Res1
Resistor
AXIAL-0.3
10M
R3
Res1
Resistor
AXIAL-0.3
1M
R4
Res1
Resistor
AXIAL-0.3
10K
R5
Res1
Resistor
AXIAL-0.3
10K
R6
Res1
Resistor
AXIAL-0.3
1K
２．元件表
练习二 混合放大器
１．电路图
２．元件表
Designator
LibRef
Description
Footprint
Comment
C1
Cap
Capacitor
RAD-0.3
300p
C2
Cap
Capacitor
RAD-0.3
10p
J1
Header2
Header,2-Pin
HDR1X2
Header2
J2
Header2
Header,2-Pin
HDR1X2
Header2
JP1
Header3
Header,3-Pin
HDR1X3
Header3
R1
Res1
Resistor
AXIAL-0.3
10K
R2
Res1
Resistor
AXIAL-0.3
10K
R3
Res1
Resistor
AXIAL-0.3
4.7K
R4
Res1
Resistor
AXIAL-0.3
220
R5
Res1
Resistor
AXIAL-0.3
10K
U1
TL082CP
Wide-BandwidthDualJFETInputOperationalAmplifier
DIP-8
TL082CP
练习三 喇叭保护电路
1．电路图
2.元件表
Designator
LibRef
Description
Footprint
Comment
C1
Cap
Capacitor
RAD-0.3
0.22
C2
Cap
Capacitor
RAD-0.3
0.22
D1
Diode
DefaultDiode
DSO-C2/X3.3
1N914
D2
Diode
DefaultDiode
DSO-C2/X3.3
1N914
D3
Diode
DefaultDiode
DSO-C2/X3.3
1N914
J1
Header3
Header,3-Pin
HDR1X3
Header3
JP1
Header2
Header,2-Pin
HDR1X2
Header2
Q1
SCR
SiliconControlledRectifier
SFM-T3/E10.7V
2N5060
Q2
UJT-N
UnijunctionTransistorwithN-TypeBase
CAN-3/Y1.4
2N2646
Q3
UJT-N
UnijunctionTransistorwithN-TypeBase
CAN-3/Y1.4
2N2646
R1
Res1
Resistor
AXIAL-0.3
100
R2
Res1
Resistor
AXIAL-0.3
100
R3
Res1
Resistor
AXIAL-0.3
220K
R4
Res1
Resistor
AXIAL-0.3
220K
R5
Res1
Resistor
AXIAL-0.3
100
R8
Res1
Resistor
AXIAL-0.3
1K
R9
Res1
Resistor
AXIAL-0.3
1K
R10
Res1
Resistor
AXIAL-0.3
100
RY1
Relay-DPST
Dual-PoleSingle-ThrowRelay
DIP-P6/D33
Relay-DPST
S1
SW-PB
Switch
SPST-2
SW-PB
VR1
RPot1
Potentiometer
VR5
100
VR2
RPot1
Potentiometer
VR5
100
练习四 高输入阻抗差动放大电路
１．电路图
２．元件表
Designator
LibRef
Description
Footprint
Comment
J1
Header3
Header,3-Pin
HDR1X3
Header3
J2
Header2
Header,2-Pin
HDR1X2
Header2
JP1
Header3
Header,3-Pin
HDR1X3
Header3
R1
Res1
Resistor
AXIAL-0.3
100K
R2
Res1
Resistor
AXIAL-0.3
2K
R3
Res1
Resistor
AXIAL-0.3
100K
R4
Res1
Resistor
AXIAL-0.3
100K
R5
Res1
Resistor
AXIAL-0.3
100K
R6
Res1
Resistor
AXIAL-0.3
100K
R7
ResAdj1
VariableResistor
AXIAL-0.7
150K
U1
TL082CP
Wide-BandwidthDualJFETInputOperationalAmplifier
DIP-8
TL082CP
U2
TL082CP
Wide-BandwidthDualJFETInputOperationalAmplifier
DIP-8
TL082CP
练习五 脉宽比例控制电路
1．电路图
2．元件表
Designator
LibRef
Description
Footprint
Comment
C1
Cap
Capacitor
RAD-0.3
0.005
C2
Cap
Capacitor
RAD-0.3
0.01
C3
Cap
Capacitor
RAD-0.3
0.01
D1
Diode
DefaultDiode
DSO-C2/X3.3
1N645
D2
Diode
DefaultDiode
DSO-C2/X3.3
1N645
J1
Header2
Header,2-Pin
HDR1X2
Header2
JP1
Header2
Header,2-Pin
HDR1X2
Header2
Q1
NPN
NPNBipolarTransistor
BCY-W3
TIP-31
R1
Res1
Resistor
AXIAL-0.3
30K
R2
Res1
Resistor
AXIAL-0.3
150K
R3
Res1
Resistor
AXIAL-0.3
2M
R4
Res1
Resistor
AXIAL-0.3
1.5M
R5
Res1
Resistor
AXIAL-0.3
3K
R6
Res1
Resistor
AXIAL-0.3
100K
R7
Res1
Resistor
AXIAL-0.3
3K
R8
Res1
Resistor
AXIAL-0.3
1M
R9
Res1
Resistor
AXIAL-0.3
1M
R10
Res1
Resistor
AXIAL-0.3
2M
R11
Res1
Resistor
AXIAL-0.3
10M
R12
Res1
Resistor
AXIAL-0.7
2K/1W
U1
LF444CN
QuadLow-PowerJFETInputOperationalAmplifier
DIP-14/D19.7
LF444CN
VR1
ResAdj1
VariableResistor
PIN3
10K/2W
VR2
RPot1
Potentiometer
PIN3
5K/2W
练习六 截波器
1．电路图
2．元件表
Designator
LibRef
Description
Footprint
Comment
C1
Cap
Capacitor
RAD-0.3
1.2p
C2
Cap
Capacitor
RAD-0.3
1.5p
C3
Cap
Capacitor
RAD-0.3
0.47u
D1
Diode
DefaultDiode
DSO-C2/X3.3
1N914
D2
Diode
DefaultDiode
DSO-C2/X3.3
1N914
J1
Header2
Header,2-Pin
HDR1X2
INPUT
J2
Header2
Header,2-Pin
HDR1X2
OUTPUT
JP1
Header3
Header,3-Pin
HDR1X3
POWER
R1
Res1
Resistor
AXIAL-0.3
750K
R2
Res1
Resistor
AXIAL-0.3
750K
R3
Res1
Resistor
AXIAL-0.3
68
R4
Res1
Resistor
AXIAL-0.3
120
R5
Res1
Resistor
AXIAL-0.3
1.5M
R6
Res1
Resistor
AXIAL-0.3
3.9K
U1
LF351N
Wide-BandwidthJFETInputOperationalAmplifier
DIP-8
LF351N
练习七 Ａ／Ｄ转换器
1．电路图
2．元件表
Designator
LibRef
Description
Footprint
Comment
D1
Diode
DefaultDiode
DSO-C2/X3.3
1N4148
D2
Diode
DefaultDiode
DSO-C2/X3.3
1N4148
J1
Header2
Header,2-Pin
HDR1X2
INPUT
J2
Header2
Header,2-Pin
HDR1X2
OUTPUT
J3
Header2
Header,2-Pin
HDR1X2
REF
JP1
Header3
Header,3-Pin
HDR1X3
POWER
Q1
2N3904
NPNGeneralPurposeAmplifier
BCY-W3/D4.7
2N3904
R1
Res1
Resistor
AXIAL-0.3
10K
R2
Res1
Resistor
AXIAL-0.3
2K
R3
Res1
Resistor
AXIAL-0.3
10K
R4
Res1
Resistor
AXIAL-0.3
20K
R5
Res1
Resistor
AXIAL-0.3
20K
U1
LM741H
OperationalAmplifier
CAN-8/J.9
LM741H
U2
LM741H
OperationalAmplifier
CAN-8/J.9
LM741H
练习八 低耗节拍电路
1．电路图
2．元件表
Designator
LibRef
Description
Footprint
Comment
C1
Cap
Capacitor
RAD-0.3
0.01u
C2
Cap2
Capacitor
CAPR5-4X5
1u
C3
Cap2
Capacitor
CAPR5-4X5
10u
D1
Diode
DefaultDiode
DIODE-0.4
1N4001
D2
Diode
DefaultDiode
DIODE-0.4
1N4001
JP1
Header2
Header,2-Pin
HDR1X2
Header2
LS1
Speaker
Loudspeaker
PIN2
Speaker
Q1
NPN
NPNBipolarTransistor
BCY-W3
2N2222A
R1
Res1
Resistor
AXIAL-0.3
68K
R2
Res1
Resistor
AXIAL-0.3
270
R3
Res1
Resistor
AXIAL-0.3
47K
R4
Res1
Resistor
AXIAL-0.3
1M
R5
Res1
Resistor
AXIAL-0.3
10K
U1
MM74HC04N
HexInverter
DIP-14/D19.7
MM74HC04N
练习九 音频分配放大器
1．电路图
2．
元件表
Designator
LibRef
Description
Footprint
Comment
C1
Cap2
Capacitor
DSO-C2/X2.3
10u
C2
Cap2
Capacitor
DSO-C2/X2.3
50u
C3
Cap2
Capacitor
DSO-C2/X2.3
50u
C4
Cap2
Capacitor
DSO-C2/X2.3
50u
C5
Cap2
Capacitor
DSO-C2/X2.3
1u
J1
Header2
Header,2-Pin
HDR1X2
INPUT
JP1
Header3
Header,3-Pin
HDR1X3
POWER
R1
Res1
Resistor
DSO-C2/X2.3
100K
R2
Res1
Resistor
DSO-C2/X2.3
100K
R3
Res1
Resistor
DSO-C2/X2.3
100K
R4
Res1
Resistor
DSO-C2/X2.3
100K
R5
Res1
Resistor
DSO-C2/X2.3
1M
R6
Res1
Resistor
DSO-C2/X2.3
5.1K
R7
Res1
Resistor
DSO-C2/X2.3
5.1K
R8
Res1
Resistor
DSO-C2/X2.3
5.1K
U1
LPV324M
QuadGeneral-Purpose,Low-Voltage,Low-Power,Rail-to-RailOutputOperationalAmplifier
SO-G14/E2
LPV324M
练习十 超小型耳机放大器
1．电路图
2．元件表
Designator
LibRef
Description
Footprint
Comment
C1
Cap2
Capacitor
C3216-1206
20u
C2
Cap2
Capacitor
C3225-1210
1000u
JP1
Header2
Header,2-Pin
HDR1X2
Header2
P1
RCA
RCAConnector
PIN2
INPUT
P2
RCA
RCAConnector
PIN2
OUTPUT
Q1
2N3904
NPNGeneralPurposeAmplifier
SOT89
2N3904
Q2
2N3904
NPNGeneralPurposeAmplifier
SOT89
2N3904
R1
Res1
Resistor
C1005-0402
180k
R2
Res1
Resistor
C1005-0402
8
VR1
RPot1
Potentiometer
VR5
250K
练习十一 前置放大器
1．电路图
2．元件表
Designator
LibRef
Description
Footprint
Comment
C1
Cap2
Capacitor
CAPR5-4X5
0.1u
C2
Cap2
Capacitor
CAPR5-4X5
0.1u
C3
Cap2
Capacitor
CAPR5-4X5
100u
J3
Header3
Header,3-Pin
HDR1X3
OUTPUT
JP1
Header2
Header,2-Pin
HDR1X2
POWER
P1
RCA
RCAConnector
PIN2
LEFT
P2
RCA
RCAConnector
PIN2
RIGHT
R1
Res1
Resistor
AXIAL-0.3
2K2
R2
Res1
Resistor
AXIAL-0.3
47K
R3
Res1
Resistor
AXIAL-0.3
47K
R4
Res1
Resistor
AXIAL-0.3
47K
R5
Res1
Resistor
AXIAL-0.3
1M
R6
Res1
Resistor
AXIAL-0.3
2K2
R7
Res1
Resistor
AXIAL-0.3
47K
R8
Res1
Resistor
AXIAL-0.3
47K
R9
Res1
Resistor
AXIAL-0.3
47K
R10
Res1
Resistor
AXIAL-0.3
1M
U1
LM747H
DualOperationalAmplifier
CAN-10/X1.4
LM747H
练习十二 电压指示电路
1．电路图
2．元件表
Designator
LibRef
Description
Footprint
Comment
BT1
Battery
MulticellBattery
BAT-2
Battery
C1
Cap2
Capacitor
C3216-1206
10u
C2
Cap
Capacitor
C1005-0402
0.1u
D1
Diode
DefaultDiode
DSO-C2/X3.3
1N4007
D2
Diode
DefaultDiode
DSO-C2/X3.3
1N4007
D3
Diode
DefaultDiode
DSO-C2/X3.3
1N4007
D4
Diode
DefaultDiode
DSO-C2/X3.3
1N4007
DS1
LED2
TypicalRED,GREEN,YELLOW,AMBERGaAsLED
DSO-F2/D6.1
LED2
DS2
LED2
TypicalRED,GREEN,YELLOW,AMBERGaAsLED
DSO-F2/D6.1
LED2
DS3
LED2
TypicalRED,GREEN,YELLOW,AMBERGaAsLED
DSO-F2/D6.1
LED2
DS4
LED2
TypicalRED,GREEN,YELLOW,AMBERGaAsLED
DSO-F2/D6.1
LED2
DS5
LED2
TypicalRED,GREEN,YELLOW,AMBERGaAsLED
DSO-F2/D6.1
LED2
DS6
LED2
TypicalRED,GREEN,YELLOW,AMBERGaAsLED
DSO-F2/D6.1
LED2
DS7
LED2
TypicalRED,GREEN,YELLOW,AMBERGaAsLED
DSO-F2/D6.1
LED2
DS8
LED2
TypicalRED,GREEN,YELLOW,AMBERGaAsLED
DSO-F2/D6.1
LED2
DS9
LED2
TypicalRED,GREEN,YELLOW,AMBERGaAsLED
DSO-F2/D6.1
LED2
DS10
LED2
TypicalRED,GREEN,YELLOW,AMBERGaAsLED
DSO-F2/D6.1
LED2
JP1
Jumper
JumperWire
RAD-0.2
Jumper
L1
Inductor
Inductor
C3216-1206
1mH
R1
Res1
Resistor
AXIAL-0.7
8/2W
R2
Res1
Resistor
C1005-0402
30.1K
R3
Res1
Resistor
C1005-0402
30.1K
R4
Res1
Resistor
C1005-0402
30.1K
U1
LM3914V
Dot/BarDisplayDriver
QCC-J20
LM3914V
VR1
ResAdj1
VariableResistor
AXIAL-0.7
500
VR2
ResAdj1
VariableResistor
AXIAL-0.7
5K
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如有侵权请联系告知删除，感谢你们的配合！
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