电子CAD课程设计要求.docx
《电子CAD课程设计要求.docx》由会员分享,可在线阅读,更多相关《电子CAD课程设计要求.docx(43页珍藏版)》请在冰豆网上搜索。
电子CAD课程设计要求
电子CAD课程设计要求
一、课程设计的目的
1、熟悉原理图的设计步骤
2、绘制原理图的方法
3、网络表及元件清单的生成
4、双面印制电路板(PCB)的布线流程
5、原理图元件库及其PCB元件库的创建
二、课程设计内容和要求
1、画原理图
2、设计双面印制电路板
3、原理图元件库及其PCB元件库的创建
三、原理图:
步骤:
1、设置图纸大小
2、设置环境
3、放置元件
4、原理图布线
5、语法检查,不断修改,直到没有错误
6、材料清单和网络表生成,为PCB做准备
四、PCB图:
步骤:
1、设置PCB图大小
2、设置PCB环境
2、完成布线
五、设计内容:
数字电子钟
图1 数字电子钟整体电路(方块图)
图2 秒脉冲电路
图3 计数电路
图4 显示译码驱动电路
图5 LED数码显示电路
图6 报时电路
图7 校时电路
图8 电路材料报表
元器件详细报表
PartCrossReferenceReportFor:
Clock.xrf28-May-200902:
22:
13
DesignatorComponentLibraryReferenceSheet
-----------------------------------------------------------------
C122pFmaichong.Sch
C250pFmaichong.Sch
DS1DPY_7-SEGxianshi.Sch
DS2DPY_7-SEGxianshi.Sch
DS3DPY_7-SEGxianshi.Sch
DS4DPY_7-SEGxianshi.Sch
DS5DPY_7-SEGxianshi.Sch
DS6DPY_7-SEGxianshi.Sch
LS1SPEAKERbaoshi.Sch
Q1NPNbaoshi.Sch
R12kOhmjiaoshi.Sch
R22kOhmjiaoshi.Sch
R32kOhmjiaoshi.Sch
R42kOhmbaoshi.Sch
R510MOhmmaichong.Sch
RP1200Ohm×7qudong.Sch
RP2200Ohm×7qudong.Sch
RP3200Ohm×7qudong.Sch
RP4200Ohm×7qudong.Sch
RP5200Ohm×7qudong.Sch
RP6200Ohm×7qudong.Sch
S1SW-PBjiaoshi.Sch
S2SW-PBjiaoshi.Sch
S3SW-PBjiaoshi.Sch
U1A74LS74jiaoshi.Sch
U2A4069jiaoshi.Sch
U3A4011jiaoshi.Sch
U3B4011jiaoshi.Sch
U3C4011jiaoshi.Sch
U3D4011jiaoshi.Sch
U4D4011jiaoshi.Sch
U4C4011jiaoshi.Sch
U4B4011jiaoshi.Sch
U4A4011jiaoshi.Sch
U5A4011jiaoshi.Sch
U64511qudong.Sch
U74511qudong.Sch
U84511qudong.Sch
U94511qudong.Sch
U104511qudong.Sch
U114511qudong.Sch
U12A4023baoshi.Sch
U13A4069baoshi.Sch
U13B4069baoshi.Sch
U13C4069baoshi.Sch
U14A4012baoshi.Sch
U14B4012baoshi.Sch
U15A4011baoshi.Sch
U16A4011jishi.Sch
U16B4011jishi.Sch
U16C4011jishi.Sch
U16D4011jishi.Sch
U17A4518jishi.Sch
U17B4518jishi.Sch
U18A4518jishi.Sch
U18B4518jishi.Sch
U19A4518jishi.Sch
U19B4518jishi.Sch
U204060maichong.Sch
U21A74LS74maichong.Sch
U41A4012baoshi.Sch
V1+5Vjiaoshi.Sch
V2+5Vqudong.Sch
V3+5Vjishi.Sch
X132768Hzmaichong.Sch
网络表
[
C1
rad0.3
22pF
]
[
C2
RAD0.3
50pF
]
[
DS1
DIP8
DPY_7-SEG
]
[
DS2
DIP8
DPY_7-SEG
]
[
DS3
DIP8
DPY_7-SEG
]
[
DS4
DIP8
DPY_7-SEG
]
[
DS5
DIP8
DPY_7-SEG
]
[
DS6
DIP8
DPY_7-SEG
]
[
LS1
RAD0.3
SPEAKER
]
[
Q1
TO-18
NPN
]
[
R1
axial0.5
2kOhm
]
[
R2
axial0.5
2kOhm
]
[
R3
axial0.5
2kOhm
]
[
R4
axial0.5
2kOhm
]
[
R5
axial0.5
10MOhm
]
[
RP1
DIP14
200Ohm-7
]
[
RP2
DIP14
200Ohm-7
]
[
RP3
DIP14
200Ohm-7
]
[
RP4
DIP14
200Ohm-7
]
[
RP5
DIP14
200Ohm-7
]
[
RP6
DIP14
200Ohm-7
]
[
S1
RAD0.3
SW-PB
]
[
S2
RAD0.3
SW-PB
]
[
S3
RAD0.3
SW-PB
]
[
U1
DIP14
74LS74
]
[
U2
DIP14
4069
]
[
U3
DIP14
4011
]
[
U4
DIP14
4011
]
[
U5
DIP14
4011
]
[
U6
DIP16
4511
]
[
U7
DIP16
4511
]
[
U8
DIP16
4511
]
[
U9
DIP16
4511
]
[
U10
DIP16
4511
]
[
U11
DIP16
4511
]
[
U12
DIP14
4023
]
[
U13
DIP14
4069
]
[
U14
DIP14
4012
]
[
U15
DIP14
4011
]
[
U16
dip16
4011
]
[
U17
dip16
4518
]
[
U18
dip16
4518
]
[
U19
dip16
4518
]
[
U20
dip16
4060
]
[
U21
dip14
74LS74
]
[
U41
DIP14
4012
]
[
X1
XTAL1
32768Hz
]
(
1HZ
U4-12
U21-5
)
(
2HZ
S1-1
S2-1
U4-9
U20-3
U21-3
)
(
1024HZ
U14-12
U20-5
)
(
2048HZ
U14-2
U20-7
)
(
FG1
DS4-1
RP4-14
)
(
FG2
DS4-2
RP4-13
)
(
FG3
DS4-3
RP4-12
)
(
FG4
DS4-4
RP4-11
)
(
FG5
DS4-5
RP4-10
)
(
FG6
DS4-6
RP4-9
)
(
FG7
DS4-7
RP4-8
)
(
FJW
U4-1
U16-10
)
(
FS1
DS3-1
RP3-14
)
(
FS2
DS3-2
RP3-13
)
(
FS3
DS3-3
RP3-12
)
(
FS4
DS3-4
RP3-11
)
(
FS5
DS3-5
RP3-10
)
(
FS6
DS3-6
RP3-9
)
(
FS7
DS3-7
RP3-8
)
(
GND
U1-7
U2-7
U3-7
U4-7
U5-7
U6-8
U7-8
U8-8
U9-8
U10-8
U11-8
U12-7
U13-7
U14-7
U15-7
U16-7
U17-8
U18-8
U19-8
U20-8
U21-7
U41-7
)
(
JF
U4-4
U18-1
U19-7
U19-15
)
(
JM
U5-3
U19-1
)
(
JS
U4-3
U17-1
U18-7
U18-15
)
(
MG1
DS6-1
RP6-14
)
(
MG2
DS6-2
RP6-13
)
(
MG3
DS6-3
RP6-12
)
(
MG4
DS6-4
RP6-11
)
(
MG5
DS6-5
RP6-10
)
(
MG6
DS6-6
RP6-9
)
(
MG7
DS6-7
RP6-8
)
(
MJW
U4-6
U16-11
)
(
MS1
DS5-1
RP5-14
)
(
MS2
DS5-2
RP5-13
)
(
MS3
DS5-3
RP5-12
)
(
MS4
DS5-4
RP5-11
)
(
MS5
DS5-5
RP5-10
)
(
MS6
DS5-6
RP5-9
)
(
MS7
DS5-7
RP5-8
)
(
N1
U6-7
U17-11
)
(
N2
U6-1
U16-5
U17-12
)
(
N3
U6-2
U17-13
)
(
N4
U6-6
U17-14
)
(
N5
U7-7
U17-3
)
(
N6
U7-1
U17-4
)
(
N7
U7-2
U16-6
U17-5
)
(
N8
U7-6
U17-6
U17-9
)
(
N9
U8-7
U18-11
U41-2
)
(
N10
U8-1
U16-8
U18-12
)
(
N11
U8-2
U16-9
U18-13
U41-3
)
(
N12
U8-6
U18-14
)
(
N13
U9-7
U18-3
U41-4
)
(
N14
U9-1
U18-4
)
(
N15
U9-2
U18-5
)
(
N16
U9-6
U18-6
U18-9
U41-5
)
(
N17
U10-7
U12-1
U19-11
)
(
N18
U10-1
U16-12
U19-12
)
(
N19
U10-2
U12-2
U16-13
U19-13
)
(
N20
U10-6
U19-14
)
(
N21
U11-7
U14-4
U14-10
U19-3
)
(
N22
U11-1
U19-4
)
(
N23
U11-2
U19-5
)
(
N24
U11-6
U13-5
U14-5
U19-6
U19-9
)
(
N30
U16-3
U17-7
U17-15
)
(
NetLS1_2
LS1-2
Q1-2
)
(
NetQ1_3
C1-2
C2-2
Q1-3
S3-1
U6-5
U7-5
U8-5
U9-5
U10-5
U11-5
U20-12
)
(
NetR1_2
R1-2
U3-2
)
(
NetR2_2
R2-2
U3-6
)
(
NetR3_2
R3-2
U2-1
)
(
NetR4_2
Q1-1
R4-2
)
(
NetRP1_1
RP1-1
U6-13
)
(
NetRP1_2
RP1-2
U6-12
)
(
NetRP1_3
RP1-3
U6-11
)
(
NetRP1_4
RP1-4
U6-10
)
(
NetRP1_5
RP1-5
U6-9
)
(
NetRP1_6
RP1-6
U6-15
)
(
NetRP1_7
RP1-7
U6-14
)
(
NetS1_2
S1-2
U3-1
)
(
NetS2_2
S2-2
U3-5
)
(
NetS3_2
S3-2
U1-1
)
(
NetU1_5
U1-5
U4-13
)
(
NetU1_6
U1-6
U4-8
)
(
NetU2_2
U1-4
U2-2
)
(
NetU3_3
U3-3
U3-8
U3-9
)
(
NetU3_4
U3-4
U3-12
U3-13
)
(
NetU3_10
U3-10
U4-2
)
(
NetU3_11
U3-11
U4-5
)
(
NetU4_10
U4-10
U5-2
)
(
NetU4_11
U4-11
U5-1
)
(
NetU7_9
RP2-5
U7-9
)
(
NetU7_10
RP2-4
U7-10
)
(
NetU7_11
RP2-3
U7-11
)
(
NetU7_12
RP2-2
U7-12
)
(
NetU7_13
RP2-1
U7-13
)
(
NetU7_14
RP2-7
U7-14
)
(
NetU7_15
RP2-6
U7-15
)
(
NetU8_9
RP3-5
U8-9
)
(
NetU8_10
RP3-4
U8-10
)
(
NetU8_11
RP3-3
U8-11
)
(
NetU8_12
RP3-2
U8-12
)
(
NetU8_13
RP3-1
U8-13
)
(
NetU8_14
RP3-7
U8-14
)
(
NetU8_15
RP3-6
U8-15
)
(
NetU9_9
RP4-5
U9-9
)
(
NetU9_10
RP4-4
U9-10
)
(
NetU9_11
RP4-3
U9-11
)
(
NetU9_12
RP4-2
U9-12
)
(
NetU9_13
RP4-1
U9-13
)
(
NetU9_14
RP4-7
U9-14
)
(
NetU9_15
RP4-6
U9-15
)
(
NetU10_9
RP5-5
U10-9
)
(
NetU10_10
RP5-4
U10-10
)
(
NetU10_11
RP5-3
U10-11
)
(
NetU10_12
RP5-2
U10-12
)
(
NetU10_13
RP5-1
U10-13
)
(
NetU10_14
RP5-7
U10-14
)
(
NetU10_15
RP5-6
U10-15
)
(
NetU11_9
RP6-5
U11-9
)
(
NetU11_10
RP6-4
U11-10
)
(
NetU11_11
RP6-3
U11-11
)
(
NetU11_12
RP6-2
U11-12
)
(
NetU11_13
RP6-1
U11-13
)
(
NetU11_14
RP6-7
U11-14
)
(
NetU11_15
RP6-6
U11-15
)
(
NetU12_9
U12-9
U13-1
)
(
NetU13_2
U13-2
U14-3
U14-9
)
(
NetU13_3
U13-3
U41-1
)
(
NetU13_4
U12-8
U13-4
)
(
NetU13_6
U13-6
U14-11
)
(
NetU14_1
U14-1
U15-1
)
(
NetU14_13
U14-13
U15-2
)
(
NetU15_3
R4-1
U15-3
)
(
NetU16_2
U16-1
U16-2
U16-4
)
(
NetU21_2
U21-2
U21-6
)
(
NetX1_1
C1-1
R5-1
U20-11
X1-1
)
(
NetX1_2
C2-1
R5-2
U20-10
X1-2
)
(
SG1
DS2-1
RP2-14
)
(
SG2
DS2-2
RP2-13
)
(
SG3
DS2-3
RP2-12
)
(
SG4
DS2-4
RP2-11
)
(
SG5
DS2-5
RP2-10
)
(
SG6
DS2-6
RP2-9
)
(
SG7
DS2-7
RP2-8
)
(
SS1
DS1-1
RP1-14
)
(
SS2
DS1-2
RP1-13
)
(
SS3
DS1-3
RP1-12
)
(
SS4
DS1-4
RP1-11
)
(
SS5
DS1-5
RP1-10
)
(
SS6
DS1-6
RP1-9
)
(
SS7
DS1-7
RP1-8
)
(
VCC
LS1-1
U1-14
U2-14
U3-14
U4-14
U5-14
U6-16
U7-16
U8-16
U9-16
U10-16
U11-16
U12-14
U13-14
U14-14
U15-14
U16-14
U17-16
U18-16
U19-16
U20-16
U21-1
U21-4
U21-14
U41-14
)
(
VDD
R1-1
R2-1
R3-1
U6-3
U6-4
U7-3
U7-4
U8-3
U8-4
U9-3
U9-4
U10-3
U10-4
U11-3
U11-4
U17-2
U17-10
U18-2
U18-10
U19-2
U19-10
)
图9 数字电子钟PCB图
图10 数字电子钟PCB图(局部放大)