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4 DESIGN007 MAGAZINE I FEBRUARY 2021 FEATURES Footprints: A Distributor's Perspective Interview with Geof Lipman FEATURE COLUMNS Circuit Material Library Considerations by John Coonrod The Case for Expansive Parts Libraries by Bob Tise Footprints— Small Steps with a Giant Impact by Kelly Dack FEATURES Best Practices: Footprint Design and CAD Library Management Interview with John Watson Footprint Design Techniques: Don't Trust Datasheets Interview with Tom Hausherr Managing Footprints with Integrated EDA Tools by Matt Walsh A Library Management Cautionary Tale by Stephen V. Chavez FEBRUARY 2021 • FEATURE CONTENTS Many designers count footprints among their most common headaches. This is a critical point in the design process; errors at this stage can wind up having ramifications far downstream. Something as simple as an incorrect pad size can lead to bad solder joints or components floating during reflow. So, this month, we asked our expert contributors to share their thoughts on proper footprint creation and CAD library management. Footprints and Library Management 64 68 72 76 12 28 40 54

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