Circuit Break - A MacroFab Podcast

MEP EP#199: High Voltage Gyrators and KiCad Plugins

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MEP EP#199: High Voltage Gyrators and KiCad Plugins

Parker

  • 50V power pack update
    • Managed to safely remove the cells
    • Protection circuit is functioning correctly
    • One of the 4 banks is “bad”
    • Scrapping all the 18650’s for future projects
    • Helping Ben debug the Atari Junior 2600 Single Chip system
      • Atari 2600's typically have 3 main ICs
        • 6507 CPU
        • RIOT (RAM and I/O)
        • TIA (Graphics and Sound)
        • Air Raid Siren all printed
          • Needs final fitment and assembly to be completed!

            • Stephen

            • Rackmount case
              • Designed a rackmount case for a 1u preamp
              • New v-score bend method that works great on aluminum
              • A mixture of chamfer and cut relief
              • Can be bent by hand
              • Back to Gyrators
                • 300V 4 band EQ using high voltage Mosfets as gyrators
                • Gyrators first mentioned on Episode 173 of the MEP
                • Wanted to solve the issue of not having to make more power supply rails
                • About +/- 12is db per band
                • 80hz, 220hz, 750hz and 2k

                  • R.F.O.

                  • KiCad Action Plugins
                    • Run your KiCad Python scripts direct inside the UI now!
                    • RF tools - a very cool curved trace plugin
                    • Parker's major complaint about Zoom Centering in KiCad hasn't been an issue for atleast 2 years now
                      • Why did no one tell Parker :(
                      • EE Web - now with more TOOLS!
                        • All about Arrow
                        • More EDA tools then you can shake a stick at!
                        • Apple H1 Chip?
                          • Silly marketing wank
                          • Its just a custom MCU
                            • ...more
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                              Circuit Break - A MacroFab PodcastBy MacroFab, Inc.
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