The Amp Hour Electronics Podcast

Listen to your hosts Dave Jones & Chris Gammell talk about electronics design and the electronics industry in general. If you have any interest in electronics at all, from hobbyist/hacker/maker to engineering professional you'll find something of interest here.

https://theamphour.com

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#401 – An Interview with Brent and Bryce Salmi


  • If you can’t tell from the picture, Brent and Bryce are twins
    • 0h 0m 57s
  • They both went to RIT and ended up working together at SpaceX
    • 0h 1m 8s
  • They worked on AMSAT for their senior project
    • 0h 2m 8s
  • Fox series cube sats
    • 0h 2m 49s
  • AMSAT will make a plugin module
    • 0h 3m 51s
  • Elona (sp?) grants
    • 0h 4m 6s
  • 1U cubesats
    • 0h 5m 12s
  • AO40 – 600 kg satellite
    • 0h 7m 29s
  • MPPT on github
    • 0h 8m 24s
  • This actually was an analog computer to cut down on components that are susceptible to cosmic rays.
    • 0h 10m 40s
  • It relies on feed forward
    • 0h 10m 50s
  • Stateless design
    • 0h 12m 43s
  • AO91
    • 0h 13m 32s
  • AO92 – just under a year
    • 0h 13m 36s
  • K2GEXT
    • 0h 16m 52s
  • Balloon hipster
    • 0h 17m 7s
  • For their balloon project, they prioritized reliability
    • 0h 18m 31s
  • Used nail polish as conformal coat
    • 0h 19m 45s
  • Fell through a thunderstorm
    • 0h 20m 13s
  • Joined SpaceX mid-2013
    • 0h 21m 27s
  • Around the time of C2 – First dragon mission
    • 0h 21m 34s
  • 1000 people when they joined
    • 0h 22m 40s
  • F921 – upgraded version. This is the one outside of SpaceX as a monument.
    • 0h 25m 25s
  • Engineering as an action sport
    • 0h 28m 30s
  • Watching conspiracy videos about spacex
    • 0h 28m 53s
  • Burning out
    • 0h 30m 20s
  • What electronics are involved
    • 0h 32m 44s
  • Rio Team
    • 0h 32m 57s
  • Consumer parts vs aerospace parts
    • 0h 34m 1s
  • Shaun from Planet episode
    • 0h 35m 13s
  • MIL standard 1540
    • 0h 36m 51s
  • NASA derating
    • 0h 37m 39s
  • Guidance, nav, control
    • 0h 39m 28s
  • Fault recovery
    • 0h 39m 40s
  • Sensing the environment
    • 0h 39m 58s
  • Pyrotechnics
    • 0h 41m 26s
  • Frangible bolts
    • 0h 41m 34s
  • RF telemtry
    • 0h 42m 16s
  • Space race 3.0
    • 0h 44m 59s
  • Lock step (is having 2 processors normally)
    • 0h 47m 6s
  • Voting is having 3 systems
    • 0h 47m 49s
  • Curiosity goes into safe mode
    • 0h 48m 58s
  • Designing circuits at a very low level
    • 0h 50m 58s
  • Understanding every way a circuit that is going to fail
    • 0h 51m 12s
  • As engineers they’re really paranoid now
    • 0h 52m 1s
  • SMPS failure
    • 0h 52m 55s
  • What is the margin of the components
    • 0h 53m 17s
  • Derating = overspec’ing
    • 0h 54m 52s
  • No one complains when it’s lighter
    • 0h 58m 56s
  • FaradayRF
    • 1h 6m 56s
  • 900 MHz digital radio
    • 1h 9m 5s
  • Trying to make a platform for people to build on
    • 1h 11m 0s
  • Delay tolerant network
    • 1h 12m 7s
  • PSK31, FT8
    • 1h 12m 53s
  • ISM band
    • 1h 17m 8s
  • Article about differences
    • 1h 17m 47s
  • APRS
    • 1h 21m 28s
  • National projects
    • 1h 21m 32s
  • SDR vs Faraday
    • 1h 24m 5s
  • CC430 radio
    • 1h 26m 53s
  • 10-100kBaud
    • 1h 27m 5s
  • goTenna
    • 1h 33m 56s
  • TUN tap
    • 1h 47m 39s
  • FaradayRF GitHub
    • 1h 56m 13s
  • Relativity space in LA
    • 1h 57m 40s
  • Aeon 1 engine
    • 1h 58m 17s
  • Careers page
    • 1h 58m 47s
  • Autonomous airplanes
    • 2h 1m 55s
  • Richard Branson quote
    • 2h 4m 36s
  • @kb1lqd
    • 2h 6m 14s
  • @kb1lqc
    • 2h 6m 32s
  • @relativityspace
    • 2h 6m 55s


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 July 30, 2018  2h4m