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ID:39546865
大小:43.00 KB
页数:7页
时间:2019-07-06
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1、原理图:i放大o缩小ctrl+mouse放大缩小ctrl+pageupctrl+pagedown左右移动ctrl+n下一PARTctrl+b上一PARTview->package查看全部Partview->part查看某一PARTedit->browse查看part、nets等alt断开连接移动R旋转,V垂直,H水平原理图R旋转shift任意角度走线alt拖动元件时切断连接全局修改器件属性:edit->browse->parts->shift全选所有器件->edit->properties->browsespreadsheet修改即可。原理图库:D:CadenceSP
2、B_16.3toolscapturelibraryDiscrete.olb(散件)建立原理图库:new->libraryCadenceolb:ctrl+N切换到下一PARTctrl+B切换到前一PART栅格的控制都在options->preferences->GridDisplaySchemticpagegrid控制原理图栅格Partandsymbolgrid控制元器件库栅格************************************************************************************************
3、**************PCB例程:D:CadenceSPB_16.3sharepcbexamplesboard_design测量距离:display->measure/Find->pinsPCBEditor:右键->cancel取消类、子类colorvisiblePCB提供两种模式,布局布线,封装库(packagesymbol)PCB封转库中,怎样设置图纸大小?显示栅格大小?焊盘—>元件封装layout->pins:x00->右键donedraplace_bound_top(矩形)silkscreen_top==assemble_topassemble_
4、top:x00.75ix1.8iy-1.5ix-1.8iy1.5(addline)silkscreen_top:x0.60.94ix-1.38iy-1.88ix1.38(addline)x1.20.94ix1.38iy-1.88ix-1.38place_bound_top:addrectanglex-0.851x2.65-1参考标号:layout->label->refdesAssembly_top内部Silkscreen_top左上角file->new->packagesymbol必须有:1引脚2零件外形,轮廓线3参考编号4place_bound放置安装区psm元件封装
5、数据文件,dra元件封装绘图文件BGA272封装:球形引脚0.75宽27mmIPC标准PCB上80%0.6paddesignerpad->packagesymbolfile->newsmd0_60cirsolder大0.1checkpcbeditor:packagesymboldsp6713bga272setup->drawingparameters设置尺寸-5-364141setup->grids0.0254layout->pinsx00x0-1.27右键->doneedit->deletefind->alloff->pinspackagegeometry:place_
6、bound_top:addrectanglex-3.453.45x27.55-27.55silkscreen_top:0.2x-1.451.45x25.551.45(x间有空格)x25.55-25.55x-1.45-25.55x-1.451.45silkscreen_top:加角标addline0.2加点assembly_top:addline参考标号:assembly_top内部silkscreen_top左上角SOIC焊盘:不规则建立图形->pad->packagepcbeditor:shapesymbolscir+rect+cirsetup->drewingpara
7、m:-2-244setup->grid:0.0254shape->rectangle:etchx-0.6250.3x0.625-0.3shape->circlex-0.6250x-0.9250x0.6250x0.9250shape->mergeshapes(融合)createsymbolrx1_85y0_6r0_3.ssm(图形零件文件)又一个rx2_05y0_8r0_4.ssmsoldermaskpaddesigner:设置工作路径:setup->userpreference设置旋转+右键旋转设置引脚旋转packagesym
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