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The PADS Layout class will teach you the workflow of laying out a printed circuit board using the latest
version of Mentor Graphics PADS Layout. You will be guided throught the steps necessary to design a printed
circuit board. Course highlights include creating physical components, importing netlists, adding/updating
parts, routing connections, generating reports and Gerber information.
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Detailed lab exercises help reinforce what is discussed during the lectures and provide you with extensive
tool usage experience under the guidance of our industry expert instructors.
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What will you learn?
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• Customize and work with the PADS Layout interface
• Create Board Outlines, Keepouts and 2D Line items
• Create Parts Types, Decals and Pad Stacks
• Import netlists, create board stackup and set up design rules
• Place parts manually and use cross probing capabilities
• Route a design using manual/interactive routing and editing tools
• Create copper shapes and plane areas
• Verify the design
• Generating Gerber Data
• Work with ECO files
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Hands-On Labs - Throughout this course, extensive hands-on lab exercises provide you with practical experience
under the guidance of our expert instructors. Hands-on lab topics include:
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• Interface Overview
• Creating Drafting Items
• Creating Libraries and Library Objects
• Netlist Importing and Design Preparation
• Parts Placement
• Routing a Design
• Copper and Planes
• Clearance and Connectivity Checking
• CAM Documents
• ECO Functions
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Who should attend?
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• PCB Designers new to PADS Layout
• Electronic Engineers that need to understand the back end of the design process using PADS Layout
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Prerequisties
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• An understanding of PCB design
• Familiarity with Windows 98, NT, 2000, or XP operating systems
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Key Topics
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• User Interface
• Graphical interface - toolbars
• File management - importing/exporting file types
• Changing tool defaults/creating and using start-up files
• Setting layer and object colors
• Altering settings through Preference and Status interfaces
• Biasing objects for selection with the Filter
• Mouse/keyboard command combinations and Modeless Commands
• Drafting
• Drafting Toolbar commands and Changing Drafting Preferences
• Creating and combining text and 2D-Lines
• Creating and saving frequently used objects to the Library
• Board Outlines and Cutout (holes in boards)
• Keepouts for various restrictions
• Setting global (whole board) and local (small area) height restrictions
• Dimensioning and measurement preferences
• Library
• Fundamentals of PADS-PowerPCB library structure
• Accessing libraries and changing library settings
• Part Types – assigning decals, gate and pin swaps, refdes prefix, alphanumeric pin numbers, implicit pins and attributes
• Decals – creating component footprints by adding pins, silkscreen outlines, polarization indicators and copper
• The Decal Wizard for instant creation of common component footprints
• Using Pad Stacks to change pin pad shapes on board and documentation layers
• Importing and Design Setups
• Manual and automated import of netlists
• Board layer preparation – number of layers, naming, routing and plane types, assigning nets to planes, routing direction, increasing and decreasing layers and documenting physical board make-up
• Design rules – hierarchy structure, rules interface, default rules and extended rules option, Clearance, Routing and High Speed rule categories, conditional rules and printing rule reports
• Setting net colors and viewing properties
• Placement
• Grid and Design Preferences
• Design Toolbar placement tools
• Commands for single, multiple and groups of objects
• Gluing parts
• Using Cross-Probing for placement
• The Find utility during placement
• Align and Nudge capabilities
• Routing
• Design Toolbar routing tools
• Routing with the: Route Editor, Dynamic Route Editor, Pin to Pin Autorouter, and Bus Route Editor
• Routing options, adding vias and layer pairs
• Protecting traces (gluing)
• Using the Trace Length Monitor
• Creating through hole, partial vias and via layer pairs
• Adding stitching vias
• Modifying trace widths
• Changing pad entry styles
• Route editing tools – sketch, add corner, split segment, stretch and smooth
• Copper Generation
• Drafting Toolbar copper tools
• Copper and copper cut outs
• Copper Pours – flooding, net assignment, and thermal generation
• Creating copper fill, patterns and solids
• Flood, Hatch command and viewing options
• Creating modifying split/mixed planes and individual thermal control
• Design Verification
• Measuring clearances with the View Clearance tool
• Using the Verify Design utility to check the design against design rules
• Clearance and Plane settings for verification
• Working with Error Markers
• Output Generation
• Generating reports
• Using Basic scripts
• Define CAM Documents interface, creating and customizing CAM documents, output devices, previewing single or multiple CAM documents
• ECO Generation
• ECO Toolbar commands
• Gate and pin swapping
• Setting options in the AutoRenumber interface
• ECO Preferences
• Automated PowerLogic to PADS Layout link
• Automated DxDesigner to PADS Layout link
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