The Amp Hour

Bill and Dave's Excellent Equipment

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  • Dave reviewed the Vion multimeter...and was a bit underwhelmed.
  • What percentage of dev boards are used?
  • The multimeter chip
  • GPIB
  • Robby Newell shared a sweet testing setup
  • Lock in amplifiers
  • Raw research stuff
  • Jitter analyzer
  • $200 scope? Chris has a friend who claimed the DS1054Z is lower priced now.
  • Rigol rolled their own ASIC, the Phoenix chipset, doesn't have boxcar average
  • This is a rolling average after the ADC, higher ENOB
  • Why digital scopes look noisy
  • Jeri Ellsworth in her first Amp Hour interview said she wanted to skip the country after messing up a mask ROM
  • The US Navy will replace touchscreen controls
  • Dave interviewed John Kenney from Keysight (linked video is part 1 of 4)
  • Chris realized the parts he talked about in #453 were actually NCNR parts (non-cancellable non-returnable)
  • Returning parts
  • Ordering parts for long lead times
  • Shootout of 10 cent micros
  • It was actually the SDCC compiler for the 3 cent micro
  • GigaDevice  parts (link to LCSC) are STM32 replacement components.
  • These are not exactly a new phenomenon, Dangerous Proto posted (a link to a site) about it nearly 2 years ago
  • Zeptobars also did a die shot of one of the parts
    • ...more
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    The Amp HourBy The Amp Hour (Chris Gammell and David L Jones)
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