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Recent content by sinCERA

  1. S

    [SOLVED] Linear voltage regulators

    Thanks for contributing guys to solve my problem.. I really appreciate it much.. :)
  2. S

    [SOLVED] Linear voltage regulators

    Thank you guys. Sorry but I don't have that much experience on designing circuits. Could you please tell me the values and types of transistors and Z-diodes that I could use on this circuit? Thanks again. :)
  3. S

    [SOLVED] Linear voltage regulators

    I'm sorry, there's an error on my question. I'll rephrase it. Is there any regulator that can accept +50V max input and can output +15V and -15V for -50V?
  4. S

    [SOLVED] Linear voltage regulators

    Hello guys. Is there any regulator that can accept 50V max input and can output ±15V? Can't find on the net. Any help is very much appreciated. :)
  5. S

    [SOLVED] Designing Power Supply

    By the way, what's wrong with this schematic you first gave me? This looks fine.
  6. S

    Finding the Missing X...

    So why not just say x= 3^(1/3) ?
  7. S

    [SOLVED] Designing Power Supply

    More of THANK YOUs sir! :)
  8. S

    [SOLVED] Designing Power Supply

    Thank you Orson Cart! :)
  9. S

    Finding the Missing X...

    Our professor once gave us this problem, and none of us got this. Could you please answer this with a solution. PROBLEM: Solve for x if x raised to x raised to x raised to x and so on is equal to 3. :)
  10. S

    [SOLVED] Designing Power Supply

    How about this one guys. I used voltage doubler here. Can I get now the required voltages (45V,+15V, -15V)? Need your opinions 'bout this.. :)
  11. S

    [SOLVED] Designing Power Supply

    Thank you so much nitishn5. I very much appreciate your help. :)
  12. S

    [SOLVED] Designing Power Supply

    i already know their output currents. my question is that if it's ok if I input 6 amperes to these regulators. what will happen to them if i do this? :) Should the input currents for these regulators be the same as their outputs? :)
  13. S

    [SOLVED] Designing Power Supply

    I see. Could you please give me a schematic for this? :) Is it ok if I input 6 Amperes 16Vdc to my LM7815 and 7915? I didn't find the max input current rating for the LM79xx and 78xx on their datasheets. What will happen to the regulators if I do this?
  14. S

    [SOLVED] Designing Power Supply

    I'm sorry but I can't really picture out what you're trying to say. Especially the "separate windings...". Do you mean I have to use two bRidges? Please understand I'm just a newbie in electronics. But I'll really appreciate you're help on this:)
  15. S

    [SOLVED] Designing Power Supply

    Hi sirs, We're making power supply for our ampli and equalizer project. And I've decided to use only one transformer (IN:220Vac; OUT:16Vac center-tapped/6 Amperes), 6A05 bridge rect., and LM7815 and LM7915. My amplifier requires 45Vdc/6A and the equalizer needs ±15Vdc/1A (for the ICs)...
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