电子cad课程设计要求

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1、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13五、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

2、冲电路13图3　计数电路图4　显示译码驱动电路13图5　LED数码显示电路图6　报时电路13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-200902:22:13DesignatorComponentLibraryReferenceSheet-----------------------------------------------------------------C122pFmaichong.SchC250pFmaichong.SchDS1DPY_7-SEGxianshi

3、.SchDS2DPY_7-SEGxianshi.SchDS3DPY_7-SEGxianshi.SchDS4DPY_7-SEGxianshi.SchDS5DPY_7-SEGxianshi.SchDS6DPY_7-SEGxianshi.SchLS1SPEAKERbaoshi.Sch13Q1NPNbaoshi.SchR12kOhmjiaoshi.SchR22kOhmjiaoshi.SchR32kOhmjiaoshi.SchR42kOhmbaoshi.SchR510MOhmmaichong.SchRP1200Ohm×7qudong.SchRP2200Ohm×7qudong

4、.SchRP3200Ohm×7qudong.SchRP4200Ohm×7qudong.SchRP5200Ohm×7qudong.SchRP6200Ohm×7qudong.SchS1SW-PBjiaoshi.SchS2SW-PBjiaoshi.SchS3SW-PBjiaoshi.SchU1A74LS74jiaoshi.SchU2A4069jiaoshi.SchU3A4011jiaoshi.SchU3B4011jiaoshi.SchU3C4011jiaoshi.SchU3D4011jiaoshi.SchU4D4011jiaoshi.SchU4C4011jiaoshi.

5、SchU4B4011jiaoshi.SchU4A4011jiaoshi.SchU5A4011jiaoshi.SchU64511qudong.SchU74511qudong.SchU84511qudong.SchU94511qudong.SchU104511qudong.SchU114511qudong.SchU12A4023baoshi.SchU13A4069baoshi.SchU13B4069baoshi.Sch13U13C4069baoshi.SchU14A4012baoshi.SchU14B4012baoshi.SchU15A4011baoshi.SchU1

6、6A4011jishi.SchU16B4011jishi.SchU16C4011jishi.SchU16D4011jishi.SchU17A4518jishi.SchU17B4518jishi.SchU18A4518jishi.SchU18B4518jishi.SchU19A4518jishi.SchU19B4518jishi.SchU204060maichong.SchU21A74LS74maichong.SchU41A4012baoshi.SchV1+5Vjiaoshi.SchV2+5Vqudong.SchV3+5Vjishi.SchX132768Hzmaic

7、hong.Sch网络表13[C1rad0.322pF][C2RAD0.350pF][DS1DIP8DPY_7-SEG][DS2DIP8DPY_7-SEG][DS3DIP8DPY_7-SEG][DS4DIP8DPY_7-SEG][DS5DIP8DPY_7-SEG][DS6DIP8DPY_7-SEG][LS1RAD0.3SPEAKER][Q1TO-18NPN][R1axial0.52kOhm][R2axial0.52kOhm][R3axial0.52kOhm][R4axial0.52kOhm][13R5axial0.510MOhm][RP1DIP14200Ohm-7]

8、[RP2D