Turning It On – New Design Checklists with James Lewis

April 29, 2020 Hosted by Parker Dillmann, Stephen Kraig

James Lewis is back to discuss testing and validating your new PCB Assembly design and what to look for in electronic lab equipment.

James Lewis

How to test and validate if your new PCB Assembly is working properly
  • What do you do before power on?
    • Component checks?
    • Current limiting?
    • Voltage limiting?
  • The Smoke Test
    • What do you do if it all goes up in smoke?
  • Validating power systems or supplies
  • Equipment for testing
  • IR cameras for looking for hot spots
  • Minimal viable electronic lab equipment
    • Digital Multimeter
      • auto ranging
      • true RMS
      • measure/verify caps (but gotta take it out of circuit)
      • Consider bench style
    • Power Supply
      • Power output, watch the power ratings
      • Current limiting (critical)
      • Output control
      • Avoid the cheap ATX route
    • Oscilloscope bandwidth vs sample rate
      • channel count
      • built-in AWG
      • serial decodes
      • Probes
    • Function Generator
      • Great for filters and to replace a clock, but how useful are they?
    • All-In One devices
      • Analog Discovery 2
      • Great for turning-on boards from home
      • Compromised specs, but could be “good enough.”
    • Soldering Station
      • Think about rework
      • Can you remove SMT?
      • Hot air, etc.
      • Will you need to add debug headers?

Hosts: Parker Dillmann, Stephen Kraig

Special thanks to whixr over at Tymkrs for the intro and outro!