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Recent content by powtronic

  1. P

    20A smps battery charger

    The function of Q1 and Q2 discharge the MOSFET gate during low duty cycle of pwm
  2. P

    Direct connection of scope

    Its better to use a battery operated oscilloscope
  3. P

    20A smps battery charger

    No need d6 and d7 Its better to put ferrite core isolating transformer for driving the power mosfet what is your main rectified voltage
  4. P

    20A smps battery charger

    you already put zener d4 and d5 for gate protection d6 and d7 no need also your d7 is grounding the gate drive pulse
  5. P

    [SOLVED] Low voltage drop current sensing

    I have an idea but i have not yet try configure a TL 431 a little change in put like 5mv or 10mv its conduct anode to cathode you can configure it up side +line or down side -line
  6. P

    Digital storage oscilloscope in power electronics

    The best way to use a battery operated oscilloscope
  7. P

    Alterantives to optocouplers for controlling an AC motor

    You can also use a solid state relay
  8. P

    Power MOSFET Problem

    When we use power MOSFET we see the data sheet But some time i am facing low quality power MOSFET that are not meet to the data sheet Is there any easy way to test the voltage and current of power Mosfer
  9. P

    inverter circuit diagram

    I need a circuit diagram of 220vdc to 220vac 50Hz 3000 watts inverter with overload and short circuit protection can any one help me
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