Circuit Break - A MacroFab Podcast

MEP EP#224: The Normal Chaos

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MEP EP#224: The Normal Chaos

Stephen

  • DC Heating and Thermal Testing
    • A low voltage moderate current linear power supply
    • 12.6V dc @ 0.55A 6.93W
    • LM2940T-12.0 LDO
    • TIP42 bootstrap transistor to share the load
    • 12V @ 2A transformer supplies ~16.2vdc with 200mV ripple
    • ~2W of heat to be handled
    • Shooting for about 250mW in the regulator and the transistor then the rest will get dumped in some resistors
    • PCB heatsinking
    • Diptrace 4.0 is finally here!
      • Snapping and aligning items
      • Circles and arcs actually have a center now…
      • Paste and Mask layers are finally visible
      • Pad angles other than 0 and 90 are now available in the pattern editor
      • One button for removing silkscreen from pads
      • Progressive searching for components instead of the seizure it used to be
      • Export options now can export all the manufacturing files as a single zip
      • Teardrops!

        • Parker

        • Wagoneer Engine Work
          • Timing cover
            • Water pump
            • Timing chain
            • Distributor gear
            • Distributor camshaft gear
            • Harmonic Balancer
            • All the gaskets
            • Radiator next
            • Dash Cluster
            • Fixing a wine chiller
              • ...more
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              Circuit Break - A MacroFab PodcastBy MacroFab, Inc.
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