300W SMPS design .............. fully tested - Page 3 - diyAudio
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Old 5th May 2011, 02:56 PM   #21
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very interested man, re post 6, what is the x2 x3 parts, 3 wires or 3 layers of windings?

Also what is parts cost like compared to a 300VA transformer?

Last edited by digits; 5th May 2011 at 02:58 PM.
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Old 13th May 2011, 12:42 PM   #22
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how you have selected a series capacitor of 0.47 micro F, to place in series with the primary winding of main power transformer ?
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Old 31st May 2011, 06:37 PM   #23
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Nice desing! I want to try it to power 2 lm1875, but I have only EE35 ferrite cores from low cost pc power supplies and its very hard to buy ferrites. The market in my Country is very unfriendly for DIYers.
What do you think could I get with these EE35?
Can I use 2 or more cores in parallel to get more power without bigger mods?
Thanks
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Old 27th August 2013, 07:49 AM   #24
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Without storage,hard switching smps wouldn't be good.Transistors works in capacitive region and after few hours-Booom.
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Old 9th November 2014, 01:04 PM   #25
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Is this project abandoned ?
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