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  1. Hi Tintin,

    You have done excellent work building this power supply and your experience is valuable for all other members. I encourage you to translate the PDF in English so anyone can benefit from it. Looking forward seeing your measurements and thoughts building this PSU.

     

  2. Hi,

    To achieve what you would like you need a programmable timer to be able to set the ON-OFF time at high precision. I don't know if you can find such timer in the market, as most timers are rated about 16A and are weekly programmable. What possibly you could do is to use a timer to set the ON time and keep the OFF time manually. In this case a timer like:

    http://www.electronics-lab.com/project/2-digit-99-seconds-timer/

    http://www.electronics-lab.com/project/1-to-100-seconds-timer/

    may help.

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    Retronix are considered to be one of the industry leaders in IC testing services. They offer a unique set of technology solutions and can test any components you purchase whilst also offering alloy conversion if you cannot find your part in the specified alloy.

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    To support obsolete components listed by verified non-authorised distributors on OEMsecrets, users can now request testing services by clicking the "IC Test" icon, located in the specs column of the search results on OEMsecrets.com. OEMsecrets is a free to use price comparison search engine for electronic parts and components, listing inventory and pricing information from suppliers such as Avnet, Arrow, Digikey, TTI, Farnell and many more.

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  4. This topic is to clarify the specs of T1 transformer used in http://www.electronics-lab.com/project/power-supply-brushless-motor-drivers/

    T1 is a Standard EMI/RFI Transformer for electromagnetic noise, any 15/16mm transformer with 1mH inductance will work.

    This transformer is used to reduce EMI/RFI noise and doesn't provide isolation from mains voltage.

    I am attaching here the datasheet of the transformer.

    pmcu.pdf

    RFI-EMI Transformer1.jpg

  5. Hi Maleetronic,

    Thanks for your interest publishing a project on elab! I personally handle the project submissions and manually adding them to our repository after reviewing. So if you would like to submit your project the best way is to send me an email to webmaster @ electronics-lab.com or let me know here. After project submission i will handle the rest.

    Let me know, how i can help you further.

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