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16th May 2008, 09:20 PM
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#1 |
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diyAudio Member
Join Date: Sep 2005
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Some questions about schematic symbol
 Can you tell me what the little dots mean at the transformer...? I have never wound a transformer before, much less made a switchmode supply, but I would like to try.. Also what would be a suitable wire thickness... max Vout will be about 260VDC but probably well under 10mA. |
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17th May 2008, 12:00 AM
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#2 |
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diyAudio Moderator
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Polarity. If the end of the dot on one winding goes positive, the end of the other winding will also go positive.
__________________
“Listening to records is like ****ing a picture of Brigitte Bardot.” - Sergiu Celibidache |
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17th May 2008, 06:47 AM
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#3 |
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diyAudio Member
Join Date: Sep 2005
Location: in Slovenia :)
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Hi
http://en.wikipedia.org/wiki/Inductance (<--Coupled inductors) Also look for Coupled inductors on google |
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