第１章 电路板设计介绍
1.1 现有的设计趋势.............................................................................1-2
1.2 产品研发流程................................................................................1-2
1.3 电路板设计流程.............................................................................1-3
1.3.1 前处理 – 电子设计资料和机构设计资料整理...................1-4
1.3.2 前处理 – 建立布局零件库.................................................1-8
1.3.3 前处理 – 整合电子设计资料及布局零件库.......................1-8
1.3.4 中处理 – 读取电子/机构设计资料....................................1-9
1.3.5 中处理 – 摆放零件............................................................1-9
1.3.6 中处理 – 拉线/摆放测试点/修线......................................1-9
1.3.7 后处理 – 文字面处理......................................................1-10
1.3.8 后处理 – 底片处理..........................................................1-11
1.3.9 后处理 – 报表处理..........................................................1-12
第2 章 版本14.2 新功能介绍
2.1 Save Design to 14.0....................................................................2-2
2.2 Database Write Locks................................................................2-3
2.3 View Schemes.............................................................................2-5
2.4 DBdoctor......................................................................................2-6
2.5 Plane Rat .....................................................................................2-7
2.6 Place Manual UI Auto-Hide ......................................................2-8
2.7 Direct Select of Alternate Symbol............................................2-8
2.8 Quickplace Options...................................................................2-9
2.9 Via Shoving..................................................................................2-9
2.10 Dynamic Slide Phase II.............................................................2-10
2.11 Vertex Dynamic Bubble Options ...........................................2-10
2.12 Smart Start on Line Width ........................................................2-11
2.13 Highlight All Pins on Net During add connect .....................2-11
2.14 Net Name Added to Control Panel ......................................2-11
2.15 Purge Vias..................................................................................2-11
2.16 EXTRACT Name Change.........................................................2-12
2.17 Graphical Enhancements During Dynamics .......................2-12
2.18 Text Printing/Stick......................................................................2-12
2.19 Append to File Option Added to Reports............................2-13
2.20 SPECCTRA-Like Zoom...............................................................2-13
2.21 Viewer Plus Enhancements.....................................................2-14
2.22 New Board Wizard....................................................................2-14
2.23 IPC356 and Allegro-to-DXF Performance Improvement....2-14
2.24 TestPrep PCR Fixes ....................................................................2-14
2.25 New Features in Allegro Studio (PCB) ...................................2-15
第3 章 基本使用
3.1 使用前的准备................................................................................3-2
3.2 激活Allegro..................................................................................3-4
3.3 编辑既有的电路板档案..................................................................3-7
3.4 结束Allegro..................................................................................3-9
3.5 鼠标操作........................................................................................3-9
3.6 控制面板......................................................................................3-10
3.7 设定键盘......................................................................................3-20
3.7.1 功能键定义.......................................................................3-20
3.7.2 简写键定义.......................................................................3-20
目录-3
第 4 章 基本命令
4.1 File/Plot Setup 命令.....................................................................4-2
4.2 File/Plot Preview 命令.................................................................4-3
4.3 File/Plot 命令................................................................................4-3
4.4 File/Script 命令.............................................................................4-4
4.5 Edit/Move 命令............................................................................4-7
4.6 Edit/Copy 命令..........................................................................4-11
4.7 Edit/Mirror 命令..........................................................................4-16
4.8 Edit/Spin 命令.............................................................................4-18
4.9 Edit/Change 命令.....................................................................4-20
4.10 Edit/Delete 命令........................................................................4-27
4.11 Edit/Vertex 命令.........................................................................4-28
4.12 Edit/Delete Vertex 命令............................................................4-30
4.13 Edit/Text 命令.............................................................................4-32
4.14 View/Zoom 命令........................................................................4-34
4.15 View/Refresh 命令.....................................................................4-35
4.16 Display/Color Visibility 命令......................................................4-35
4.17 Display/Element 命令...............................................................4-41
4.18 Display/Measure 命令..............................................................4-44
4.19 Display/Highlight & Dehighlight 命令.....................................4-47
4.20 Display/Show & Blank Rats 命令.............................................4-50
4.21 Setup/Drawing Options 命令...................................................4-53
4.21.1 设定DRC.........................................................................4-53
4.21.2 设定Display ....................................................................4-54
4.21.3 设定Text..........................................................................4-56
4.21.4 设定Line Lock ................................................................4-56
4.21.5 设定Symbol....................................................................4-57
4.22 Setup/Text Sizes 命令................................................................4-58
4.23 Setup/Grids 命令.......................................................................4-59
4.24 Setup/Subclasses 命令.............................................................4-60
第5 章 新增图形对象
5.1 范例：新增线段.............................................................................5-2
5.2 范例：以半径新增圆弧线段..........................................................5-3
5.3 范例：定3 点新增圆弧线段..........................................................5-4
5.4 范例：新增空心圆.........................................................................5-5
5.5 范例：新增空心长方形..................................................................5-6
5.6 范例：新增实心长方形..................................................................5-7
5.7 范例：新增文字.............................................................................5-8
5.8 范例：新增实心的任意多边形......................................................5-9
5.9 详细解说......................................................................................5-10
5.9.1 编修外形..........................................................................5-11
5.9.2 编修连接的讯号名称........................................................5-11
5.9.3 编修挖空区.......................................................................5-12
5.9.4 设定编修的参数...............................................................5-13
5.9.5 检查..................................................................................5-15
5.9.6 填满..................................................................................5-16
第6 章 设定属性
6.1 常用零件属性................................................................................6-2
6.2 常用讯号线属性.............................................................................6-2
6.2.1 一般属性............................................................................6-2
6.2.2 长度属性............................................................................6-3
6.2.3 等长属性............................................................................6-4
6.2.4 差动配对属性.....................................................................6-5
6.3 零件加入Fixed 属性.....................................................................6-7
6.4 零件删除Fixed 属性.....................................................................6-9
6.5 讯号线加入Min_Line_Width 属性.............................................6-12
6.6 讯号线删除Min_Line_Width 属性.............................................6-14
目录-5
第 7 章 建立零件库
7.1 范例：建立圆形有钻孔的Padstack ............................................7-2
7.1.1 规格说明............................................................................7-2
7.1.2 建立方法............................................................................7-3
7.2 范例：建立正方形有钻孔的Padstack.........................................7-8
7.2.1 规格说明............................................................................7-8
7.2.2 建立方法............................................................................7-9
7.3 范例：建立SMD 的Padstack...................................................7-13
7.3.1 规格说明..........................................................................7-13
7.3.2 建立方法..........................................................................7-14
7.4 范例：建立Thermal Relief 的零件............................................7-17
7.4.1 规格说明..........................................................................7-17
7.4.2 建立方法..........................................................................7-18
7.5 范例：建立ZIP20 零件................................................................7-22
7.5.1 进入Symbol Editor.........................................................7-22
7.5.2 设定工作区域...................................................................7-23
7.5.3 加入零件脚.......................................................................7-24
7.5.4 加入零件范围及高度........................................................7-29
7.5.5 加入零件外形...................................................................7-31
7.5.6 加入零件Labels ..............................................................7-32
7.5.7 建立Symbol 档案............................................................7-37
7.5.8 建立Drawing 档案..........................................................7-37
第8 章 建立电路板
8.1 进入Board Editor ........................................................................8-2
8.2 设定工作区域................................................................................8-3
8.3 设定板外框....................................................................................8-4
8.4 放置电路板标识零件.....................................................................8-6
8.5 放置定位孔零件.............................................................................8-8
8.6 放置视觉定位零件.......................................................................8-10
8.7 设定工作格点..............................................................................8-13
8.8 设定摆放零件区域.......................................................................8-13
8.9 设定走线区域..............................................................................8-19
8.10 设定预设DRC 值........................................................................8-21
8.11 设定预设贯穿孔...........................................................................8-22
8.12 增加走线内层..............................................................................8-24
8.13 储存电路板档案...........................................................................8-26
第9 章 读入讯号接点表
9.1 Orcad Capture 线路图...............................................................9-2
9.2 Concept HDL 线路图..................................................................9-4
9.3 读入讯号接点表.............................................................................9-6
第10 章 摆放零件
10.1 开启电路板档案...........................................................................10-2
10.2 人工摆放零件..............................................................................10-2
10.3 自动摆放零件于板外...................................................................10-6
10.4 未排零件报表..............................................................................10-8
10.5 已排零件报表........................................................................... 10-10
第11 章 设定设计规范
11.1 列出间距的设计需求...................................................................11-2
11.2 设定间距的Type 属性...............................................................11-3
11.3 设定间距的Rule..........................................................................11-7
11.4 指定间距的Rule 至Type 属性...................................................11-9
11.5 设定间距的DRC 模式............................................................. 11-11
11.6 列出线段的设计需求................................................................ 11-13
11.7 设定线段的Type 属性............................................................. 11-13
11.8 设定线段的Rule....................................................................... 11-17
11.9 指定线段的Rule 至Type 属性................................................ 11-19
11.10 设定线段的DRC 模式............................................................. 11-20
目录-7
第 12 章 拉线
12.1 设定线宽属性..............................................................................12-2
12.2 建立电源/接地的Plane..............................................................12-5
12.3 控制鼠线的显示...........................................................................12-7
12.4 Highlight 及Dehighlight ...........................................................12-8
12.5 人工拉线......................................................................................12-8
12.5.1 范例：人工拉线...............................................................12-9
12.5.2 自动避线的说明............................................................ 12-14
12.6 人工修线................................................................................... 12-15
12.6.1 人工修线的说明............................................................ 12-20
12.7 自动修线................................................................................... 12-21
12.8 自动拉线................................................................................... 12-22
第13 章 制作测试点
13.1 范例：自动加入测试点................................................................13-2
13.2 范例：手动加入测试点................................................................13-6
13.3 范例：手动删除测试点................................................................13-8
第14 章 后处理
14.1 重编零件序号..............................................................................14-2
14.2 整理文字面..................................................................................14-5
14.3 产生钻孔图..................................................................................14-7
第15 章 产生底片档案及报表
15.1 设定底片参数..............................................................................15-2
15.2 设定Aperture 档案....................................................................15-3
15.3 产生底片......................................................................................15-5
15.4 产生报表...................................................................................
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