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Differential Pairs and Vias | Gustavo Blando at DesignCon 2018

Sierra interviewed Gustavo Blando, Senior Principal Engineer at Oracle, during DesignCon 2018.

What are your thoughts on this year’s DesignCon?
Can you summarize your presentation?
What is material characterization?
What kind of coefficient of coupling range is more reliable for a differential pair?
Any tips on good design practices a designer can adopt to have the minimum amount of distortion?
Can the amount of disturbance in a via be catastrophic?
What is the frequency threshold in which the via can become an important parameter?
Do you have a simulation with and without the via?
How do you verify that the simulation is near or exact to the results you are trying to achieve?
What kind of instruments are used for these measurements?
Any general guidelines you think PCB designers should know about?
How important is DesignCon to you?


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Sierra Circuits is an ISO 9001:2008, ISO 13485:2003 and MilSpec MIL-PRF-55110 certified, Silicon Valley-based, high-technology full service printed circuit board manufacturing and assembly shop. We specialize in HDI protos, Microelectronics, and 0.5mm pitch BGAs, quickturn PCBs (as quick as 2-3 days for 12-20 layers) and medium production. We are a privately held, woman- and minority-owned shop located in Sunnyvale, California since 1986.

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