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Recent content by the_liong

  1. T

    What is this symbol

    Hi All Can I know the name of the symbol below? Is it op amp?
  2. T

    Lithium Ion Charging

    Lithium ion battery charging is use constant current - constant voltage method. Mostly the full charge voltage is 4.2V. you have to limit your charging current when charge the battery.Usually is 0.5C, mean that the charging current should not more than 0.5 of you battery capacity. For example...
  3. T

    DC to AC converter

    Hi, I come out a square wave inverter. Anyway, when I use to power up a fluorescent light(with electronic ballast), the light flickering. When I lower down the input voltage,the problem disappear. I suspect is the peak voltage that causing this problem. When my battery is full charge,the peak...
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