DXP放大电路练习题知识讲解.docx
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DXP放大电路练习题知识讲解
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
课件|教案|试卷|无需注册HDR1X3
Header3
R1
非和飞气和汽以和已请和情玩和完很和得跳和桃Res1
高兴＝开心＝快活＝快乐时刻＝时时＝时常
禾字旁：
秀、香、和、秋Resistor
园（公园）（菜园）（果园）（花园）（桃园）
一、汉语拼音（立足让学生进一步熟悉和练习巩固）：
一（口）井一（辆）小车一（块）石碑一（口）水缸AXIAL-0.3
来往来来往往明白明明白白
又细又长又白又胖又唱又跳又紫又亮热情冷淡老师练习非常常常玩球桃树树苗什么男孩10K
足足字旁（跳跑）亻单人旁（休体何）R2
木字旁：
桃、树、林、机、桥Res1
例：
我替爸爸拿拖鞋。
我给妈妈洗手绢。
远—近去—来黑—白高—低（矮）大—小（）月（）日是元旦节。
（）月（）日是中秋节。
Resistor
名（有名）（出名）（名字）（成名）（名气）九、语气词及标点符号的使用AXIAL-0.3
ABAC式的词语（4）、照样子写出来。
（3）、（）渐渐（）。
10K
R3
禾字旁：
秀、香、和、秋Res1
小兔爱吃草，也爱吃萝卜。
宝盖头：
完、家、定他十分高兴地回家去了。
（十分＝特别＝非常＝格外）Resistor
AXIAL-0.3
1本册的双生字词：
原和园园和圆进和近话和画阳和洋称和秤长长的小路了不起的创举大大的脑袋黑灰色的身子4.7K
金黄的秋天大大的公园绿色的小伞
减一笔:
王——（土）（干）（工）（三）九、语气词及标点符号的使用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
Ju
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