Class2_17_Allegro - 1 Alle Fre Vie r 15.0 gro e we...

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3/22/2004 1 Allegro Free Viewer 15.0 Installation Download from http://www.cadence.com/products/si_pk_bd/downloads Opening Files Allegro opens PCB files with a .brd extension Simply select File->Open and navigateto theboard file that you want to look at
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3/22/2004 2 Allegro Free Viewer 15.0 Setting up the view Always best to start with a clean slate This examplesets up theboard for viewing fromthetop side Typically, start by zooming to fit the board to the window Also probably want to turn off thegrid dots if they are on
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3/22/2004 3 Click zoom-fit or hit F9 to seethewholeboard Click on grid toggle, or hit Shift-F9 to toggle grid off Allegro Free Viewer 15.0
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3/22/2004 4 Allegro Free Viewer 15.0 Setting up the view Next, weneed to clear thescreen of thelast-saved view settings Select Display->Color/Visibility Set Global Visibility to “All Invisible” and hit apply
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3/22/2004 5 Select Display->Color Visibility and set to “All Invisible” Allegro Free Viewer 15.0
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3/22/2004 6 Allegro Free Viewer 15.0 Setting up the view Select Group = Geometry and scroll down to check boxes next to “Outline” under Board Geometry “Silkscreen_Top” under Board Geometry “Silkscreen_Top” under PackageGeometry “Assembly_Top” under PackageGeometry Then select “Apply”
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3/22/2004 7 Turn on the listed Geometry layers Allegro Free Viewer 15.0
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3/22/2004 8 Allegro FreeViewer 15.0 Setting up the view Select Group = Stack-Up and scroll down to check boxes next to “Top” under Pin “Top” under Via “Top” under Etch Then select “Apply”
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3/22/2004 9 Turn on the listed Stack-Up layers Allegro FreeViewer 15.0
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