Recent content by ROSELEE

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  1. R

    Will there be any visible flicker in the LED bulbs?

    Thank you for your answer, I'll have a try then.
  2. R

    Will there be any visible flicker in the LED bulbs?

    I have been reading up on LED bulbs and it seems power factor correction (PFC) is quite needed in most designs. My goal is to achieve a PF greater than 0.9. I am considering using an LED Driver with built-in PFC like Fairchild's FLS0116. From the datasheet of FLS0116 (and attached photo), it's...
  3. R

    Maximal power to drive IR LED

    I'm making a light barrier and working on a "sender" part right now. The main thing I want to achieve is the maximum distance. I'm using Vishay TSSP4038 for receiving signal. In the datasheet it's stated that it can work on distances about 30m. I can't get even close. With 350mA (1W) LED it's...
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