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JANUARY 2022 I DESIGN007 MAGAZINE 11 We also have a conversation with Lee Ritchey and Tarun Amla focusing on materials for advanced, high-speed designs, and Patrick Crawford shares details about the PCB design events taking place at IPC APEX EXPO in San Diego. Bert Horner explains the ins and outs of testing flexible and rigid-flex circuits, and we bring you an article from Anaya Vardya regarding designing signal layers. Finally, we have several columns from our regular con- tributors Vern Solberg, Tara Dunn, Patrick McGoff, Phil Kinner, Matt Stevenson, and Mike Buetow. Speaking of IPC APEX EXPO, the show is just around the corner, and I need to find my business cards. If you're not attending, don't worry. We'll be in San Diego all week, bring- ing you back all the news from the movers and shakers in PCB design and manufacturing. Hopefully, we'll get a little sailing in while we're at it. See you next month! DESIGN007 Andy Shaughnessy is managing editor of Design007 Magazine. He has been covering PCB design for 20 years. He can be reached by clicking here. e segment is clearly on a growth pattern. To explore this topic, we asked our contribu- tors to share their thoughts on designing high- voltage PCBs. First, we have a conversation with Zuken's Andy Buja, Wilmer Companioni, and Sanu Warrier, who explain the challenges facing high-voltage designers, as well as the regulatory issues that EV companies must con- tend with around the world. Celso Faia and Davi Correia of Cadence Design Systems dis- cuss material selection and DFM guidelines that are specific to boards with higher voltages. Columnist Barry Olney delves into the design constraints of high-voltage PCBs. We have a chapter on automotive electron- ics from an upcoming I-007eBook, e Printed Circuit Designer's Guide to… High-Performance Materials, which focuses on selecting lami- nates for high-voltage PCBs. Columnist Tim Haag relates some close calls that he's had with higher voltages while channeling his inner Doc Brown. Zach Peterson brings us a primer on high-voltage PCB design practices. Columnist Kelly Dack relates how far he's gone down the high-voltage knowledge base rabbit hole ever since he purchased a new electric vehicle. And columnist Istvan Novak discusses a variety of techniques for handling uncompensated voltage drop in power distri- bution networks.

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