MEP EP#316: Chunk 2 Chunk Current Returns

MEP EP#316: Chunk 2 Chunk Current Returns

MEP EP#316: Chunk 2 Chunk Current Returns

Circuit grounding - How big is too big?

  • Stephen has a new design that is trying something very odd
    • Planes that connect to the star
  • Difference between different grounding techniques
  • 8 layer monster board with multiple power supplies - low noise
  • Parker likes to think of these problems as the extremes of certain examples as a way to think about what happens
    • Take a "star" topography ground for instance
      • Make the trace lengths that connect to the "star" really small
      • Make the star point really "big"
      • This is vias connections direct to a plain

Coilcraft has “Elevated” inductors

  • Parker found this tweet by Lukas Henkel showing coilcraft has inductors that are elevated off the PCB which allows placing parts under the component
  • Coilcraft XAR7030 series
    • Unique off-the-board design provides 1.5 mm clearance for parts to be mounted underneath
    • Magnetically shielded for high density applications
  • Torex Semiconductor has combined switch mode controllers and inductors to build micro DC/DC converters
  • PCB Assembly problems?
    • Should XYRS now have a Z height?
    • This is typically on the CMs to "get it right"
    • Probably best to let your CM know what your doing in this case to reduce confusion

Jaksot(448)

EP#388: CHIPS Can’t Dip

EP#388: CHIPS Can’t Dip

This week we’re joined by David Schild, the Executive Director of the Printed Circuit Board Association of America (PCBAA). PCBAA is a consortium of American companies supporting domestic production o...

28 Heinä 20231h 1min

EP#387: Recursive Vending Machines

EP#387: Recursive Vending Machines

Join us as we chat with Hyr0n and Zapp from AND!XOR Group about their iconic badges for DEF CON 31. Learn about the challenges and creative process behind their badges, including the returning Snackey...

21 Heinä 202353min

EP#386: When Will AI Replace Podcast Hosts?

EP#386: When Will AI Replace Podcast Hosts?

Delve into the world of AI in chip design, exploring the limitations and benefits of AI, its impact on productivity and the labor market, and the future of this technology. We also join Parker on anot...

14 Heinä 202355min

EP#385: Mislabeled levels of Hell

EP#385: Mislabeled levels of Hell

In the spirit of summer, we kick off this week with a  timely discussion of whether you can cook food on the engine of your car; how hot would your exhaust pipes even need to be? Stephen shares the cu...

10 Heinä 202345min

EP#384: Derivative Learning or Mathematical Consequences

EP#384: Derivative Learning or Mathematical Consequences

The concerning news of a missing submarine near the Titanic wreck site this week sparks conversation about the implications of using a $30 Logitech gamepad for steering, the importance of regulatory b...

6 Heinä 20231h 2min

EP#383: Screaming into the Social Media Void

EP#383: Screaming into the Social Media Void

MEP EP# 383: Screaming into the Social Media VoidAutoDesk is dropping support and development for the dedicated Eagle EDA tool and moving efforts to the AutoDesk Fusion 360 Electronics. This has set t...

15 Kesä 20231h 2min

EP#382: The Danger Pool

EP#382: The Danger Pool

MEP EP#382: The Danger PoolThe CHIPS act is in full swing with Texas Instruments, TSMC, Intel and other chip manufacturers scaling up and building new facilities in the United States. There is just on...

9 Kesä 20231h 5min

EP#381: Bil Herd - Back Into the Storm

EP#381: Bil Herd - Back Into the Storm

MEP EP#381: Bil Herd - Back Into the StormBil Herd, one of the early engineers of Home Computers, joins as a guest on this week’s episode of the podcast. Bil led the hardware design for the Commodore ...

2 Kesä 20231h 4min

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