MEP EP #169: Is "I'm an Engineer" a valid defense? - podcast episode cover

MEP EP #169: Is "I'm an Engineer" a valid defense?

Apr 24, 20191 hr 28 minEp. 169
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Episode description

Is "I'm an Engineer" a valid defense?

Parker

  • PinoTaur Update
    • 12V master voltage input
    • Switching psus for the voltage rails
    • ATSAMD21G18A Breakout Board
      • 32.768KHZ is the external crystal?
  • Lead free Smart LEDS?!
    • Direct from APA Electronic
    • APA-102C-5050 256
    • APA-104-260-5050

Stephen

  • Macroamp Update
    • Tested preamp board
      • ~42x gain which is much too high
      • Power supply resistance is way too high at 2k
        • Did not account for extra current draw from buffer Jfets
      • J111 Jfet was bad out of the box - Have replaced with a BJT
      • So far very low noise
      • Riaa input filter still to be tested however it all works
  • Tested Shielded cable footprint from MEP EP 155: Void Copper Donuts
    • Was a Success!

R.F.O.

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