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Recent content by axel2016

  1. A

    Transformer Help

    I tried with 13v ac on the black and white. The gave me 1.8v on the reds and 0.7v on blue and also 0.7v on blue and red.
  2. A

    Transformer Help

    One thought: could the white be for 220v and green for 110v ?
  3. A

    Transformer Help

    I found that there is 90 ohms between black and white. 56 ohms between white and green. 30 ohms between black and green. The three Wires are connected with half as thin leads than that og the four.
  4. A

    Transformer Help

    Hi! Have found this transformer in my cellar. The red wired shows continuety and so does the blue wires. The green black and white on the other side all shows continuety. My bet is that the red and blue are two seperate outputs? But what about the three wires. Which two are for mains? Next to...
  5. A

    Improve smps

    Well that was a waste of time, diodes and fuses. It makes no less noise touching the transformer so I doubt glue will have any effect. Perhaps if it is complete covered in glue. But thanks for the explaination. Larger diodes may work, right? But since it dosnt effect the noise, there is no...
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    Improve smps

    Hi! I have got one og those cheap Chinese SMPS from eBay. A 24v 3a. The annoying thing with it is that the transformer is squeeking like a rat having its tail trodden on. My attempt to reduce that noise was to put a larger capacitor on the line in. The original one is a 47u 450v. So I put in a...
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