Need urgent help..!

Discussion in 'General Electronics Chat' started by hasnain, Jun 27, 2012.

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  1. hasnain

    Thread Starter New Member

    Feb 9, 2012
    7
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    <snip transformerless power supply schematic>

    Tell me what is function of C1 in above circuit diagram????
     
    Last edited by a moderator: Jun 27, 2012
  2. t_n_k

    AAC Fanatic!

    Mar 6, 2009
    5,448
    782
    It acts as a low loss impedance to limit the voltage applied to the bridge rectifier.
     
  3. mcgyvr

    AAC Fanatic!

    Oct 15, 2009
    4,770
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    transformer-less power supplies should not be discussed on this forum. They aren't safe for the hobbyist.
     
    Wendy likes this.
  4. Wendy

    Moderator

    Mar 24, 2008
    20,766
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    This is correct, and they can not be made safe. I am closing this thread as it violates AAC policy and/or safety issues.

    Quote:
    6. Restricted topics. The following topics are regularly raised however are considered “off-topic” at all times and will results in Your thread being closed without question:

    • Any kind of over-unity devices and systems
    • Automotive modifications
    • Devices designed to electrocute or shock another person
    • LEDs to mains
    • Phone jammers
    • Rail guns and high-energy projectile devices
    • Transformer-less power supplies
    This comes from our Tos:
    Terms of Service
     
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