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  1. moha says

    Hi swagadam,

    i am moha, i really appriciated to you doing very good guidence upcoming engineers inspriation.

    i need some information about transformers core max saturated frequency like Iron core, ferite core
    pls reply and thankful to you

    • Swag says

      Thank you Moha,

      I am not sure about the exact frequency range for these variants, but it seems 20 to 200 Hz is suitable for iron core coils and 10kHz to 100kHz for ferrite based coils.

  2. Romeo says

    Hello Swagadam
    Please help, I want to make my Inductor to be installed on my generator (my output is square wave at Ic555, i need a formula
    Of how to compute the henry in order to achieved Sine Wave.

    Thank you
    Romeo

    • Swagatam says

      Hello Romeo, I have not yet investigated inductor filters so I do not have the formulas with me right now, but I think you can use RC networks instead for the same results.

      By the way for what application do you need this?

      • ROMEO JR. G DITCHON says

        Hi Swagatam,
        Thank you for promt reply
        This application for a 12-0-12/240 AC volts transformer.
        Can you send me diagram of RC networks for ic555 or 4017
        Supply volts 12 to 15 volts for ic555 output pin 3 im using 2n3055 and 2n2222.
        Thank you very much.
        Romeo

  3. Donald Livesay says

    I am curious as to the resonant frequencies of a 120/100 volt power supply rectified to DC then using an CLC filter. is a resonant frequency of 4.238 a good frequency to have as i am trying to attain a very flat dc output at under 2 amps. L is a laminated silicon iron core 6″ L x 2.25 W x .75 H @ ruffly 300 to 500 mh.
    Thank you in advance.

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