What is hierarchical circuit design and what are its advantages?-Cadence design FAQ 500 example video collection-EEWORLD Training

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What is hierarchical circuit design and what are its advantages?
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Chapters

Chapter 1：How to create a new library file in orcad software?
Chapter 2：Where are the grid points of OrCAD set, and what are the generally recommended settings?
Chapter 3：Where to set orcad color?
Chapter 4：How to set page size in orcad?
Chapter 5：How to set the size of orcad font?
Chapter 6：What are the default commonly used shortcut keys in Orcad and can they be changed?
Chapter 7：Where is the schematic library that comes with the orcad system, and what devices are included in each one?
Chapter 8：How to create a package of simple discrete components in orcad?
Chapter 9：How to fill graphics in orcad?
Chapter 10：What are the commonly used commands in the orcad drawing library?
Chapter 11：How does orcad create a packaging library for logic gate circuits?
Chapter 12：How should the packaging of IC devices be created?
Chapter 13：How to create power and ground package libraries in OrCAD?
Chapter 14：How does orcad use tables to create complex components?
Chapter 15：How to create a Title Block with pictures in Orcad?
Chapter 16：How to create connection symbols for different pages in ORCAD
Chapter 17：What is the difference between homogeneous and heterogeneous components?
Chapter 18：How does Orcad create a Homogeneous type component package?
Chapter 19：How does Orcad create a Heterogeneous type component package?
Chapter 20：How to show and hide the pin numbers of the schematic library
Chapter 21：How to show and hide the network name of the schematic library
Chapter 22：How to show and hide the PCB package name in the schematic library
Chapter 23：How to show or hide the Value value of components in ORCAD schematic diagram
Chapter 24：How to change the library file that has been prepared in the schematic diagram
Chapter 25：How to export the package library from the Orcad schematic diagram
Chapter 26：What does each type of pin shape of the orcad package library mean?
Chapter 27：What does each type of the pin Type of the orcad package library mean?
Chapter 28：How to uniformly change the attributes of component pins in Orcad
Chapter 29：When editing attributes, how to copy and paste data into an Excel table for processing?
Chapter 30：How to quickly place many pins when making a package library in Orcad
Chapter 31：How to batch update package library files in orcad
Chapter 32：How to batch replace package library files in orcad
Chapter 33：For a multi-part component library, how to view the content of each part?
Chapter 34：Where to set some operations on grid points in orcad
Chapter 35：What is the naming method for component numbers in Orcad?
Chapter 36：How to add local package library in orcad
Chapter 37：How to delete schematic library files in orcad
Chapter 38：How orcad quickly locates components in the library
Chapter 39：How should ORCAD handle duplicate package pin names?
Chapter 40：How to deal with the value in the Orcad package library when making the package library
Chapter 41：There are illegal characters under the library path of the current design of Orcad drawings. What should I do?
Chapter 42：What is the difference between replace cathe and update cathe in orcad
Chapter 43：How to add company logo in Title Block?
Chapter 44：How to draw solid symbols in ORCAD?
Chapter 45：For already defined library files, how to modify the prefix of the bit number?
Chapter 46：How to call the power supply and connection symbols created by OrCAD in the schematic diagram
Chapter 47：How to thicken the lines of the outline frame of the Orcad package?
Chapter 48：When Orcad creates a package, how do you divide a device with a large number of pins into parts?
Chapter 49：How to delete the PIN group attribute in the orcad package library?
Chapter 50：How to add new attributes to orcad's packaging library?
Chapter 51：How to create a new schematic project file in ORCAD
Chapter 52：How to set the design paper size of schematic diagram in Orcad
Chapter 53：How to set the grid points for drawing schematic diagram in Orcad?
Chapter 54：How to place devices in Orcad drawing schematic diagram?
Chapter 55：How to drag and rotate components when drawing schematic diagram in Orcad?
Chapter 56：How should components be mirrored and flipped in Orcad?
Chapter 57：How to deal with unconnected networks in orcad
Chapter 58：How does Orcad place power supply, ground signals, and inter-page connectors when drawing a schematic diagram?
Chapter 59：How to deal with the connection relationship on the same page in Orcad?
Chapter 60：How to deal with the connection relationship at the intersection of traces in Orcad?
Chapter 61：How to use NET ALIAS in ORCAD, and what is the difference between it and Wire?
Chapter 62：How to deal with the connection relationship between different pages in ORCAD
Chapter 63：What is the difference between Net Alias and OFF-PAGE Connector in orcad?
Chapter 64：How to create a bus in orcad software
Chapter 65：How should the bus be named in ORCAD?
Chapter 66：How to connect the bus and signal lines?
Chapter 67：What aspects should be paid attention to when using BUS bus in orcad?
Chapter 68：How does orcad operate the schematic page?
Chapter 69：How should the power supply and ground network be handled when drawing a schematic diagram in OrCAD?
Chapter 70：How to deal with cross lines in Orcad?
Chapter 71：How to use the Browse function in orcad and what is its function?
Chapter 72：How to find elements in orcad, such as devices, networks, etc.?
Chapter 73：How to light up the entire network in orcad?
Chapter 74：When Orcad moves the device, how can it prevent the connection from moving along with it?
Chapter 75：How to add text annotation and graphic annotation in Orcad?
Chapter 76：How should the PCB packaging of a single device be handled in OrCAD?
Chapter 77：How to batch match PCB packages of components in Orcad?
Chapter 78：How does OrCAD software uniformly number component numbers?
Chapter 79：How does Orcad software arrange device tags regularly in a page format?
Chapter 80：How to detect DRC on orcad schematic files?
Chapter 81：What is the meaning of orcad's DRC detection parameter settings?
Chapter 82：What is the meaning of each of OrCAD's electrical rules checks?
Chapter 83：What is the meaning of each of Orcad's physics rules checks?
Chapter 84：How does orcad browse all DRC errors after DRC detection?
Chapter 85：How does orcad generate Cadence Allegro's first-party netlist?
Chapter 86：How should the interactive operation between orcad and Cadence Allegro be handled?
Chapter 87：How should I handle the error when the Orcad software outputs the Allegro first-party netlist?
Chapter 88：How does Orcad generate Cadence Allegro's third-party netlist?
Chapter 89：What is the difference between Allegro's first-party netlist and third-party netlist output by Orcad?
Chapter 90：What should I do if the "Duplicate Pin Name" error appears in Orcad's output netlist?
Chapter 91：What should I do if the "Pin number missing" error occurs in Orcad's output netlist?
Chapter 92：What should I do if the "Value contains return" error appears in Orcad's output netlist?
Chapter 93：What should I do if the "PCB Footprint missing" error appears in Orcad's output netlist?
Chapter 94：The error "different parts of a device contain different attributes" appears in the Orcad output netlist. How should I deal with it?
Chapter 95：What should I do if the "Illegal-- character" error appears in Orcad's output netlist?
Chapter 96：How does Orcad software output the bill of materials BOM form?
Chapter 97：How to filter the parameters of Orcad output or PDF printing?
Chapter 98：How to add differential attributes to the differential signals in the schematic diagram?
Chapter 99：What is a flat schematic and what are its advantages?
Chapter 100：How are flat schematics drawn?
Chapter 101：What is hierarchical circuit design and what are its advantages?
Chapter 102：How are hierarchical schematics drawn?
Chapter 103：In the hierarchical schematic diagram, how to call the already created module?
Chapter 104：How to make a differentiated comparison between two different schematic diagrams?
Chapter 105：How to batch modify the font size of attribute values in Orcad, such as the font size of tags and encapsulation attributes?
Chapter 106：How to add the company's logo to the Title Block of Orcad's schematic diagram?
Chapter 107：How to add the numbers after the page break network in the Orcad schematic diagram?
Chapter 108：How to align the digital codes after the page break network in the Orcad schematic diagram?
Chapter 109：What are the meanings of Orcad's occurrence attribute and instance attribute?
Chapter 110：How to modify Orcad's network labels in batches?
Chapter 111：There is an exchange attribute error in the Orcad guide network table. What should I do?
Chapter 112：How is the page number sequence of the schematic output PDF file drawn by Orcad determined?
Chapter 113：When Orcad draws a schematic diagram, how should we hide or display certain attributes?
Chapter 114：How does Orcad set the mechanism for increasing the copy number? Is it automatically increased or the number remains unchanged?
Chapter 115：How to set the color of the design in the Orcad schematic diagram?
Chapter 116：There are different project files in Orcad. How to output the netlist of the required project files?
Chapter 117：How to customize attributes for components in Orcad?
Chapter 118：How to draw a solid fillable symbol in Orcad?
Chapter 119：How should the Value attribute and encapsulation attribute be determined when Orcad draws the schematic diagram?
Chapter 120：Why are the bit numbers in the schematic diagrams drawn by Orcad underlined? How can I delete them?
Chapter 121：Orcad新建原理图时，每一个类目的含义是什么呢？
Chapter 122：Orcad绘制原理图文件时，怎么对元器件进行对齐呢？
Chapter 123：Orcad软件默认打开有开始启动页面，这个怎么关闭显示呢？
Chapter 124：Orcad如何输出不含有原理图规则的PCB网表呢？
Chapter 125：Orcad软件如何降低原理图的版本呢？
Chapter 126：Orcad软件怎么去显示元器件的封装名称呢？
Chapter 127：Orcad中怎么高亮所有某个网络的所有连接关系呢？
Chapter 128：Orcad软件怎么使用以前的搜索方式呢？
Chapter 129：Orcad软件进行原理图绘制的栅格应该怎么设置呢？
Chapter 130：Orcad软件怎么查看整个设计的文件的焊点数呢？
Chapter 131：Orcad软件绘制原理图时如何使用任意角度的走线呢？
Chapter 132：Orcad软件怎么统一查看哪一些器件是没有PCB封装的呢？
Chapter 133：Orcad中的Design Cache部分是做什么用的呢？
Chapter 134：Orcad中的交叉标注是什么含义呢？
Chapter 135：Orcad软件中的硬位号的概念是什么呢？
Chapter 136：Orcad软件中的Title Block中的时间格式如何修改呢？
Chapter 137：Orcad软件相同网络连接点Junction的大小如何设置呢？
Chapter 138：Orcad多个网络连接在一起时，显示网络名称的优先级是什么呢？
Chapter 139：Orcad软件中Title Block中的原理图页数如何进行增加呢？
Chapter 140：Orcad软件的Annote命令下的每个选项的含义是什么呢？
Chapter 141：什么叫做PCB封装，它的分类一般有哪些呢？
Chapter 142：在ORCAD原理图中怎么去指定器件的封装呢？
Chapter 143：在Allegro软件中，封装的组成部分有哪些？
Chapter 144：在Allegro软件中，其PCB封装的后缀的含义是什么？
Chapter 145：Allegro软件制作PCB封装的一般流程是什么呢？
Chapter 146：Allegro软件中焊盘的分类及其释义是什么呢？
Chapter 147：Allegro软件中热风焊盘的作用是什么呢？
Chapter 148：Allegro软件中反焊盘的作用是什么呢？
Chapter 149：Allegro软件中的Soldmask的意思是什么，以及作用是什么呢？
Chapter 150：Allegro软件中的Pastmask的意思是什么以及作用是什么呢？
Chapter 151：Allegro软件中怎么指定封装库路径，其中每一个的代表什么含义呢？
Chapter 152：Allegro软件中的焊盘的一般命名方法是什么呢？
Chapter 153：Allegro软件中的焊盘制作界面的参数含义是什么呢？
Chapter 154：Allegro软件中插件钻孔有哪三种钻孔的模式，具体含义是什么呢？
Chapter 155：Allegro软件中的常规表贴焊盘应该如何创建呢？
Chapter 156：Allegro软件中的异形表贴焊盘应该如何创建呢？
Chapter 157：从PCB中导出封装的过程中需要哪些文件呢？
Chapter 158：在制作PCB封装时丝印框与焊盘的间距需要多少呢？
Chapter 159：Allegro软件制作PCB封装的单位精度要求是什么呢？
Chapter 160：Allegro软件制作PCB封装的丝印标识有什么要求呢？
Chapter 161：Allegro软件中PCB封装的元器件高度信息怎么标注呢？
Chapter 162：常用的PCB封装（PCB设计）的字体大小设置为多少呢？
Chapter 163：PCB封装的原点在做封装设计时有哪些要求呢？
Chapter 164：PCB安装孔的焊盘与孔径怎么设置呢？
Chapter 165：PCB封装中有极性的器件怎么标识极性呢？
Chapter 166：PCB封装的实体占地面积在PCB上应该应该如何处理呢？
Chapter 167：设计PCB封装的为什么要设置原点，原点的作用是什么呢？
Chapter 168：在PCB中导入网表提示管脚不匹配应该怎么处理呢？
Chapter 169：PCB中导入网表后，提示没有flash怎么处理呢？
Chapter 170：PCB中导入第三方网表后提示找不到封装文件怎么处理呢？
Chapter 171：贴片安装类型器件焊盘按照规格书应该如何做补偿呢？
Chapter 172：制作插件封装时，通孔焊盘应该如何去补偿呢？
Chapter 173：PCB封装中没有编号的管脚应该怎么处理呢？
Chapter 174：PCB中的过孔的封装应该如何去创建呢？
Chapter 175：热风焊盘怎么从PCB板上导出去进行调用呢？
Chapter 176：怎么将PCB封装批量添加到PCB板上呢？
Chapter 177：为何同一种器件不同的公司制作出封装焊盘尺寸不一致呢？
Chapter 178：椭圆形的Flash制作的尺寸如何进行计算的？
Chapter 179：PCB封装中什么时候需要画Keepout层，一般画多大尺寸呢？
Chapter 180：PCB封装管脚排序有什么规律吗？
Chapter 181：常规阻容器件的名字是什么含义呢，比如如R0402中的0402是什么意思呢？.
Chapter 182：一般查看器件Datasheet，利用Datasheet制作封装，需要分析里面的哪些内容呢？
Chapter 183：Cadence Allegro软件的快捷键应该怎么设置呢？
Chapter 184：在Allegro软件中如何录制以及调用script文件呢？
Chapter 185：Allegro软件中的stroke命令应该如何定义与使用呢？
Chapter 186：Allegro软件的菜单栏每个菜单的含义是什么呢？
Chapter 187：Allegro软件File菜单下的每个命令的具体含义是什么呢？
Chapter 188：Allegro软件Edit菜单下的每个命令的具体含义是什么呢？
Chapter 189：Allegro软件View菜单下的每个命令的具体含义是什么呢？
Chapter 190：Allegro软件Add菜单下的每个命令的具体含义是什么呢？
Chapter 191：Allegro软件Display菜单下的每个命令的具体含义是什么呢？
Chapter 192：Allegro软件Setup菜单下的每个命令的具体含义是什么呢？
Chapter 193：Allegro软件Shape菜单下的每个命令的具体含义是什么呢？
Chapter 194：Allegro软件Logic菜单下的每个命令的具体含义是什么呢？
Chapter 195：Allegro软件Place菜单下的每个命令的具体含义是什么呢？
Chapter 196：Allegro软件Route菜单下的每个命令的具体含义是什么呢？
Chapter 197：Allegro软件Analyze菜单下的每个命令的具体含义是什么呢？
Chapter 198：Allegro软件Manufacture菜单下的每个命令的具体含义是什么呢？
Chapter 199：Allegro软件Tools菜单下的每个命令的具体含义是什么呢？
Chapter 200：Allegro软件将窗口关闭之后，怎么显示出来？
Chapter 201：Allegro软件的工具栏怎么去显示与隐藏呢？
Chapter 202：Allegro软件的三个功能面板的具体的含义是什么，作用是什么呢？
Chapter 203：Allegro软件的状态栏的具体的含义是什么呢？
Chapter 204：Allegro软件参数设置中Display面板参数的含义是什么呢？
Chapter 205：Allegro软件参数设置中Design面板参数的含义是什么呢？
Chapter 206：Allegro软件中怎么去定位元器件，有哪几种方式呢？
Chapter 207：Allegro软件的用户参数设置以及偏好设置在哪里呢？
Chapter 208：在Allegro软件中各类布局布线区域的含义是什么呢？
Chapter 209：Allegro软件的布局、布线的格点应该如何设置呢？
Chapter 210：如何在Allegro软件中设置限高区域呢？
Chapter 211：Allegro软件如何导出PROE所需要的结构文件呢？
Chapter 212：执行移动命令以后的Options面板应该如何进行设置呢？
Chapter 213：执行高亮显示命令以后的Options面板应该如何进行设置呢？
Chapter 214：Allegro软件中各个约束规则管理模式的具体含义是什么，在哪里进行设置？
Chapter 215：什么是绝对传输延迟，绝对传输延迟应该怎么设置呢？
Chapter 216：什么是相对传输延迟？
Chapter 217：如何使用直接添加法去设置相对传输延迟的等长规则呢？
Chapter 218：如何使用模型添加法设置相对传输延迟的等长规则呢？
Chapter 219：在Allegro软件中如何去创建Pin-Pair呢？
Chapter 220：Xnet是什么含义，如何在Allegro软件中添加Xnet？
Chapter 221：Allegro软件中应该如何添加区域规则呢？
Chapter 222：在Allegro软件中应该如何对BGA器件进行自动扇出呢？
Chapter 223：Allegro软件中铜皮处理的相关命令有哪些呢？
Chapter 224：Allegro软件中如何对静态铜皮与动态铜皮进行转换呢？
Chapter 225：Allegro软件中如何隐藏铜皮呢？
Chapter 226：Allegro软件中的Zcopy命令应该如何使用呢？
Chapter 227：执行走线命令时，Options面板的参数应该怎么设置呢？
Chapter 228：执行推挤命令时，Options面板的参数应该怎么设置呢？
Chapter 229：Allegro软件的CUT功能应该如何使用？
Chapter 230：如何在Allegro软件中进行多人协同设计？
Chapter 231：应该如何使用Sub-drawing功能，它与copy功能的区别是什么？
Chapter 232：怎么从Allegro软件中导出设计参数呢？
Chapter 233：Allegro软件的Spin命令与Rotate命令的区别是什么？
Chapter 234：Allegro软件进行标注的相关参数的含义是什么呢？
Chapter 235：Allegro软件中应该如何设置盲埋孔？
Chapter 236：如何将网络名显示在走线、焊盘。铜皮上呢？
Chapter 237：如何在PCB上整体替换过孔呢？
Chapter 238：Allegro软件如何使用全屏大十字光标，全屏大十字光标有重影应该怎么处理？
Chapter 239：怎么对Allegro软件的走线添加泪滴呢？
Chapter 240：怎么对PCB设计的原点进行移动，有哪几种方法呢？
Chapter 241：如何在Allegro软件中快速的交换两个器件？
Chapter 242：在Allegro软件中如何使用Temp Group功能呢？
Chapter 243：Allegro软件的Vertex功能应该如何使用？
Chapter 244：Allegro软件的Snap pick to功能应该如何使用？
Chapter 245：在使用测量命令，怎么让软件同时显示两种测量单位呢？
Chapter 246：如何使用Allegro软件中的Autosilk功能呢？
Chapter 247：在CM规则管理器中如何去显示或者隐藏属性呢？
Chapter 248：如何对整个PCB板进行旋转呢？
Chapter 249：Allegro如何设置让打开的一个新的PCB文件是空的PCB文件？
Chapter 250：怎么去Waived掉DRC错误呢，如何对这个DRC进行显示呢？
Chapter 251：Allegro软件如何从PCB文件中提取封装呢？
Chapter 252：Allegro如何设置标注尺寸时是双单位显示呢？
Chapter 253：Allegro软件的单位设置精度不能设置为4位呢？
Chapter 254：Allegro进行封装库的导出，no library dependencies选项是做什么用呢？
Chapter 255：Allegro中如何设置撤销的步数，最多可以设置多少次呢？
Chapter 256：如何让PCB走线的时候可以走线两个焊盘的中间呢？
Chapter 257：Allegro软件如何调节PCB界面的亮度显示呢？
Chapter 258：Allegro软件如何输出PDF装配图？
Chapter 259：双击打开PCB文件结果是新建一个PCB文件应该怎么处理？
Chapter 260：如何设置让默认打开Allegro软件是新的PCB文件而不是打开上一次打开过的文件呢？
Chapter 261：如何从Allegro软件输出BOM清单？
Chapter 262：如何在Allegro软件中添加光绘层叠呢？
Chapter 263：如何在PCB中对焊盘进行削盘处理呢？
Chapter 264：如何去查看PCB的设计状态？
Chapter 265：Allegro软件的DB功能是什么，应该如何使用？
Chapter 266：Allegro软件如何去查看指定了哪些快捷键以及所执行命令的语句是哪些呢？
Chapter 267：Allegro软件中的Assign RefDes功能应该如何使用呢？
Chapter 268：Allegro软件中的用户设计属性的参数含义是什么呢？
Chapter 269：Allegro软件的用户设计属性的DRC常用的设置有哪一些呢？
Chapter 270：Allegro软件的用户设计属性的Route常用的设置有哪一些呢？
Chapter 271：在Allegro软件中的锁定与解锁命令应该如何使用呢？
Chapter 272：Allegro在布线时候，其它飞线不显示应该怎么处理呢？
Chapter 273：Allegro软件的常用文件名的后缀以及释义是什么呢？
Chapter 274：Allegro软件中怎么对相同的模块进行模块复用呢？
Chapter 275：Allegro软件中怎么对元器件还有模块进行旋转呢？
Chapter 276：Allegro软件中怎么对整个模块进行镜像呢？
Chapter 277：在Allegro软件中的Groups组创建之后怎么进行打散呢？
Chapter 278：Orcad输出的第一方网表文件如何导入到Allegro软件中？
Chapter 279：Orcad输出的第三方网表文件如何导入到Allegro软件中？
Chapter 280：Allegro软件导入第一方网表与第三方网表的区别在哪里呢？
Chapter 281：Allegro软件导入网表以后，为什么在PCB板上看不到元器件呢？
Chapter 282：Allegro软件中怎么通过ROOM框来放置元器件呢？
Chapter 283：在做PCB设计时，结构文件应该如何导入到PCB中呢？
Chapter 284：在做PCB设计时，怎么导出DXF结构文件呢？
Chapter 285：Allegro软件中如何绘制板框，绘制板框的方法有哪几种呢？
Chapter 286：在Allegro软件中如何对布局布线区域进行设置呢？
Chapter 287：Allegro软件怎么指定封装库路径，需要指定哪几个路径呢？
Chapter 288：在Allegro软件中如何对结构器件进行定位操作呢？
Chapter 289：Allegro软件中应该如何去显示飞线与关闭飞线呢？
Chapter 290：Orcad软件与Allegro软件应该如何进行交互式操作呢？
Chapter 291：在Allegro软件中应该如何对同类型的PCB封装进行更新呢？
Chapter 292：在Allegro软件中应该如何对单个的元器件进行更新呢？
Chapter 293：Allegro软件中应该如何添加层叠呢？
Chapter 294：Allegro软件中怎么对阻抗进行计算呢？
Chapter 295：Allegro软件中怎么添加走线的阻抗线宽呢？
Chapter 296：Allegro软件中怎么添加不同元素之间的间距规则呢？
Chapter 297：Allegro软件如何导入封装本身的引脚长度信息呢？
Chapter 298：动态铜皮与静态铜皮的区别与联系什么呢？
Chapter 299：Allegro软件中如何设置铜皮与焊盘之间的连接方式呢？
Chapter 300：多个铜皮铜皮重叠时，铜皮的优先级应该怎么设置？
Chapter 301：Allegro软件中如何对电源平面进行分割设计？
Chapter 302：Allegro软件如何进行多根走线、多根走线的间距应该如何设置？
Chapter 303：Allegro软件的阵列过孔应该如何使用？
Chapter 304：怎么去统一修改PCB中元器件的参考编号的大小呢？
Chapter 305：怎么在PCB中对元器件的参考编号进行重新排列呢？
Chapter 306：怎么将PCB中重新排列的元器件参考编号反标回原理图中？
Chapter 307：如何手动在PCB中添加元器件以及删除元器件？
Chapter 308：如何手动在PCB中修改网络连接关系？
Chapter 309：在Allegro软件中如何对元器件进行对齐操作？
Chapter 310：Allegro软件的自动等长应该如何进行操作？
Chapter 311：PADS软件绘制的PCB文件如何导入Allegro软件中呢？
Chapter 312：怎么对PCB中同一个网络的其它元素赋予颜色呢？
Chapter 313：怎么对单个焊盘的铜皮连接属性进行设置呢？
Chapter 314：在设置PCB保存的时候，应该如何设置不弹出替换当前文件的警告呢？
Chapter 315：在Allegro软件中如何对走线进行自动圆弧转换呢？
Chapter 316：在PCB中的载流能力一般如何去评估呢？
Chapter 317：在Allegro软件中如何设置渐变线呢？
Chapter 318：如何对两份PCB文件进行差异对比呢？
Chapter 319：在Allegro软件如何复用已经处理好的布局文件呢？
Chapter 320：如何将电源的飞线进行隐藏？
Chapter 321：Allegro软件如何导出带有钻孔数据的dxf文件呢？
Chapter 322：对已经布好的差分信号如何去调整线线距呢？
Chapter 323：Allegro进行设计时，一般推荐元器件编号的大小为多少呢？
Chapter 324：Allegro软件中应该如何添加过孔呢？
Chapter 325：导入DXF时候，对于底视图不能镜像的原因是什么呢？
Chapter 326：Allegro软件如何实现自动保存，自动保存的时间在哪里设置？
Chapter 327：在进行高速信号设计的时候如何进行进行无盘设计呢？
Chapter 328：怎么设置让铜皮不显示，但是显示铜皮的边界外框呢？
Chapter 329：如何去精准的定位Out of data shape呢？
Chapter 330：Allegro软件如何输出Excel格式的贴片坐标文件呢？
Chapter 331：如何去删除、复制修整好的铜皮避让区域呢？
Chapter 332：如何不将原理图所添加的规则导入到PCB中呢？
Chapter 333：Allegro软件如何定位多余的走线、多余的过孔呢？
Chapter 334：BUS、Net-Class、Net-Group以及Match-Group的区别是什么呢？
Chapter 335：如何将所有的差分线设置到其它信号的间距是20mil并满足自身的阻抗间距不报错呢？
Chapter 336：如何去删除自己在PCB定义的subclass层呢？
Chapter 337：在移动元器件的时候，不显示飞线应该怎么处理呢？
Chapter 338：Allegro软件中的板框应该如何去进行修改呢？
Chapter 339：Allegro软件中常见的PCB术语以及释义是什么呢？
Chapter 340：Allegro软件中如何同时高亮一组相同Value值的元器件呢？
Chapter 341：如何设置花焊盘连接时，铜皮与焊盘连接的宽度？
Chapter 342：在平面分割层采用正片与负片的区别是什么呢？
Chapter 343：如何让BOTTOM层器件的位号字符镜像显示呢？
Chapter 344：怎么在PCB中生成叠层的文件呢？
Chapter 345：怎么输出生产需要的ODB文件呢？
Chapter 346：铜皮重叠在一起的时候，如何去筛选铜皮进行操作？
Chapter 347：在16.6及以上的版本中如何去创建Bus总线呢？
Chapter 348：如何显示盲面孔的钻孔层叠标记以及颜色设置呢？
Chapter 349：How to manually add differential pairs and automatically add differential pair attributes to PCB?
Chapter 350：How to view and modify pad parameters in PCB?
Chapter 351：How to set the Allegro software to perform the routing function so that it does not automatically remember the last switched routing width?
Chapter 352：How to display the length of the trace when routing Allegro?
Chapter 353：When doing isometric design in Allegro software, how to make the equal-length progress bar move along the serpentine line?
Chapter 354：How should copper leakage and white oil in PCB design be set in Allegro software?
Chapter 355：How to check single-ended network in Allegro software?
Chapter 356：How to make the flying lines in the PCB display as the shortest path?
Chapter 357：Where to set the spacing between different solder resists and how to detect DRC?
Chapter 358：Double-click to drill holes on the differential lines. How to change the spacing between differential vias?
Chapter 359：For the special-shaped board frame, how to route the traces along the PCB board frame?
Chapter 360：The tables for outputting drilling data overlap. How should this be handled?
Chapter 361：How does Allegro software output the BOM form?
Chapter 362：How to lay grid copper in Allegro software and how to set it up?
Chapter 363：How does Allegro software use polar coordinates for design?
Chapter 364：How to check traces without plane reference and span-split traces in Allegro software?
Chapter 365：How does Allegro software perform automatic wiring design?
Chapter 366：How to deal with the component numbers of the Assembly layer and Silkscreen in Allegro software?
Chapter 367：When wiring, how to set the traces to exit from the pad?
Chapter 368：How to add unit display when labeling in Allegro?
Chapter 369：How should Allegro add Mark points on the PCB board?
Chapter 370：How to automatically add reflow vias when fanning differential signals?
Chapter 371：How to set the drilling accuracy when importing GERBER files into Cam350?
Chapter 372：When Allegro outputs light painting files, can it specify a folder for output?
Chapter 373：How to set the area in Allegro software to prohibit copper laying but allow routing?
Chapter 374：How to move unnecessary pads individually in PCB?
Chapter 375：Update to Smooth is performed on the copper sheet but there are still Out of date shapes. How should I deal with it?
Chapter 376：What is the specific meaning of the common DRC in Allegro software?
Chapter 377：How to highlight empty networks on the PCB board?
Chapter 378：How does Allegro software generate equal-length table files?
Chapter 379：How should Allegro software view the height information of the device?
Chapter 380：If the vias of the same network overlap, where do I need to set them to cause DRC?
Chapter 381：How to set the font size in the Allegro function panel to be larger?
Chapter 382：Why does the drilling file output by CAM350 imported from Allegro version 16.6 have no data display?
Chapter 383：How should the slot files output by Allegro software be imported into CAM350?
Chapter 384：How to make the differential routing in the regional rules prioritize the differential impedance line width?
Chapter 385：The schematic network name is too long and cannot be imported into the PCB. How should it be set?
Chapter 386：Can the rules set by Allegro software be reused in another PCB file?
Chapter 387：Where should I view the overall information report for the entire PCB file?
Chapter 388：How to quickly locate which pins in the PCB are not connected?
Chapter 389：Where should I view the drilling file information on the PCB?
Chapter 390：How to extract the table file of drilling symbols in PCB?
Chapter 391：How should Allegro's bottleneck mode wiring be set?

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