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Recent content by on5di

  1. O

    A KW Switch Mode Regulated High Voltage Power Supply

    i was thinking of feeding this circuit from a full bridge transformer 1/1 This would avoid having high voltage secondairies, but requires higher current from the secondary. My other idea is to have multiple secondaries each with a bridge and capacitor in cascade. That would require...
  2. O

    A KW Switch Mode Regulated High Voltage Power Supply

    Hi i plan to make HV full bridge : i will start from a PFC at 400VDC ,i need an output of 3000V @ 1A DC , i plan to use EFD59 cores and a full bridge driven by UCC3895 . Any hints on the SMPS, i think i use multiple secondaries each with bridge rectifier and put several in cascade . I think...
  3. O

    How does automatic antenna tuners work ?

    Hi That is a good trick ! i want to use the ad8302 too for an auto tuner, but i was going to use an rc network to create a 90 degree shift (close to 90 in fact ). the ad8302 looks nice and i suspect you can use it over a larger power range ( comparing to the schematics of an sg230 tuner where...
  4. O

    [SOLVED] suggestion for HV output smps ?

    Hi I am experimenting with SMPS, half bridge, i would like to create >600V out @ Pout 100W I am using an ETD39,split primairy total 25 turns, the secondairy is a single coil 100 turns ,i used a full bridge rectifier on the output with an extra coil between the bridge + output and the output cap...

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