标签: 小技

Allegro小技巧如何察看已加测点及百分率？命令route\Tstprep\TestpinCheck出现Testcheck窗口，选择TestPointDistandPadstackCheck即可出现结果。1.拉线时不能自动切换到所在层，这是为何？命令Setup\UserPreferences将第一项acon_route_on_active_subclass的钩去掉即可。2.Routekeepin&packagekeepin小板子20mil,大板子40mil.做负片时gnd的antietch宽度为小板子20mil,大板子40mil.VCC的antietch的宽度为小板子40mil,大板子80mil4.蛇形线的走法先将线弯曲为蛇形，再通过slide命令调整。调整时右边control窗口的options中的max45len调为4.0。bubble为off.将线调为蛇形即可。线的间距至少为线宽的2倍。3.替换Via的方法将新的via文档拷到当前目录下，命令Tools\Padstack\Replace,按窗口命令操作即可。4.设定Constraintsarea步骤Setup\Constraints点Areas框中的Add.右边Control框下Options中的ActiveClassandSubclass分别选BARDGEOMETRY和CONSTRAINTS_AREA.选好后在板上划出设定的区域。划好后点击Cnstraints……

ADS小技巧10HelpfulHintsforusingtheHPAdvancedDesignSystemHINTSCONTENTSLearningto“Drive”UsingtheKeyboard..............................................................................3UsingTemplatesorCopyingExamplesforMoreEfcientSimulationSet-upandDataDisplay...........................................................................................................................4SavingMouseClickswhenOpeningProjects....................................................................5RenamingPortsonSchematicsbeforeGeneratingSubcircuits.......................................6EnablingEasyDisplayofData..............................................................................................7EfcientlyCalculateCircuitEnvelopeSimulationData……

FPGA设计小技巧(good)……