OnTrack: The PCB Design Podcast

Picotest’s Water-Cooled Probe

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Having Steve Sandler in this episode is such a treat! He talks about his presentations at the upcoming DesignCon 2023 in Santa Clara. He gives us a deep dive into some very complex engineering topics, including measuring the PDN Flatness and the state space model.

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Show Highlights:

  • Steve Sandler is in the running for Engineering of the Year along with Ken Wyatt
  • Steve is doing a two-and-a-half-hour tutorial on PSMR, PSOR, and PSMR testing at the DesignCon. Molex and Tektronix are both participating in the live demonstration
    • He s also doing a presentation with Heidi Barnes, Bandanin, and Ben Denon
  • A lot of conferences are going virtual. The reach is undeniably great, however, what are the pros and the cons? What is valuable to who?
  • Steve talks about the conception of Picotest in the US
  • Picotest made the very first water-cooled probe which he will be showing at the DesignCon
  • Innovative solutions can take decades from conception to fruition, Steve shares his PdD thesis from 2011 that got him ahead of the curve
  • Steve deeps dive into the water-cooled probe, how it works, and the problems it eliminates
  • 21:34 Power supply stability is critical in space, 
  • 23:28 What does it mean to quantify the flatness of the PDN? Steve co-authored a paper with Scott Witcher which will be presented at the DesignCon
  • 26:25 Steve Sandler wrote a paper in 2015: Target Impedance Limitations and Rogue Wave Assessments on PDN Performance
  • 31:29 FACTS! Computers in Space Station are being reset every 40 minutes
  • 33:13 Steve stresses the importance of simulation and gives engineers a tip: “Start out with proven models and you'll get there. Get enough confidence.“
  • 34:39 Steve explains why it is necessary to find the “Q” to measure PDN Flatness
  • 43:19 Innovation could have happened earlier, Steve talks about the typical economic problems that could be hindering technological advancements
  • 47:51 Steve gives us a brief deep dive into the “state space model” and what it’s attempting to quantify

    • Links and Resources:

    • Connect with Steve Sandler on LinkedIn
  • Visit Picotest website
  • Check out Steve Sandler's Books
  • Register to DesignCon 2023
    • ...more
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