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MEP EP#214: It is Probably Safe

Author
MacroFab, Inc.
Published
Wed 04 Mar 2020
Episode Link
https://share.transistor.fm/s/de31a5a0

MEP EP#214: It is Probably Safe

Parker



  • Just got back from vacation


    • Have not worked on any projects since last episode



  • Watched lots of old er James Bond movies


    • Should we do a Spy gadget episode if we can get the right guest?




Stephen



  • Simulation of the Week: Behringer Model D Oscillator Core


    • Lots of cool stuff going on

    • Exponential converter

    • Constant current capacitor

    • Discrete opamp with discrete comparator



  • CNC Update


    • Base built and topped with a torsion box


      • ¾” MDF construction



    • Gantry is on but needs some love

    • New Spindle has 80mm mount


      • This does not fit on my current z axis

      • Make a mounting bracket with leftover aluminum from previous project





  • New transformer for rackmount guitar preamp


    • Old configuration was to do a 115:12.6 transformer then feed that into a 12:230 to get back up to high voltage

    • Simple math says 230/12 = 19.16 so, 12.6*19.16 = 241.41VRMS = 341.36VDC

    • In reality I am getting 250V….

    • Hopefully with the new transformer ratio I will get closer to 300V which would be a 20% increase




Rapid Fire Opinion


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