Development Blog

Here you will find detailed project updates and lessons learned.

• [Devlog 1] EMC Adventures
  • New Features
  • In this update
  • CE and FCC
  • The Setup
    • Example system
    • Pre-test chamber
    • Spectrum Analyzer
    • Dodgy sniffer probe
    • LISN
  • Pre-testing: Findings
    • Fail!
    • Learning 1: SMPS input filtering
    • Learning 2: FPGA drive strengths, series resistors
    • Learning 3: Split ground planes
    • Learning 4: Spread Spectrum
    • Distraction: SI5351 Driver and Dynamic Clocking
  • Lab-testing: Findings
    • Learning 5: Long cables
    • Learning 6: ESD is no joke
    • Learning 7: TEM cell vs. real far-field measurements
  • EMC: Conclusion
  • Bonus: New Amaranth Cores!
  • Bonus: Crowd Supply & Trade Tariffs
  • Acknowledgements & further reading