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Recent content by iffee100

  1. I

    [SOLVED] I need some help understanding LED constant current SMPS

    A schematic of the SMPS is required to explain it.
  2. I

    [SOLVED] PIC Volt Meter and Battery Charging Techniques

    Can you post schematic of this so called "battery charging kit."
  3. I

    [SOLVED] SMPS Power Inverter with TL494,1404

    Your statement is correct. Can you mention other chips like SG3525 and TL494.
  4. I

    [SOLVED] SMPS Power Inverter with TL494,1404

    The configuration is equally good in terms of duty cycle. 4013 outputs are 50:50 duty cycle.
  5. I

    [SOLVED] SMPS Power Inverter with TL494,1404

    @AMSA84, to understand all about please read this http://www.8085projects.info/post/Inverter-circuit-board-and-maintenance.aspx
  6. I

    [SOLVED] SMPS Power Inverter with TL494,1404

    From 12VDC (Or 24 vdc, 48vdc) high voltage is produced using an oscillator at high frequency.On high frequency a small tranformer is required and for filteration of DC current small value of capacitor is required. Then this DC is chopped at 50 Hz AC, using a bridge consisting MOSFETs or Power...
  7. I

    [SOLVED] SMPS Power Inverter with TL494,1404

    This circuit uses small size transformers, converting to HV first also improves regulation.
  8. I

    [SOLVED] SMPS Power Inverter with TL494,1404

    Larger value capacitors have large ESR so Instead of one large capacitor, two or more lower value capacitors are used. which effectively reduce ESR being in parallel.
  9. I

    [SOLVED] SMPS Power Inverter with TL494,1404

    I have Homage UPS which has developed fault of flickering every 12 seconds.Can any one provide schematic for Homage UPS.
  10. I

    Speed controller for AC motor (Beginner)

    Have you tried normal triac fan regulator??
  11. I

    Which linux version is good to install IC5141 BASE only?

    CentOS 4.8 seems OK
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