CNC Purchased, Transformer Wound- now questions.

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jwhmca

Well-known member
Joined
Jan 28, 2009
Messages
931
Location
USA
Playing around with winding Mic input transformers.

Scatter wound vs layer wound for mic transformer?



 
  Nice!

  layer wound, for sure! With shielding between pri and sec! High input capacitance is not a problem, pri-sec capacitance is. You put the shield in the middle, ground it, you have pri-ground and sec-ground independent capacitances. You also want low leakage inductance, the more layers the better, but takes too much room and work with shielding. Usually 5 layers is good enough I guess.

  As winding is easy for you you can use a layer of thin wire to do the shielding, may be easier than dealing with the ribbon copper, doing a complete shield and not shorting it, etc. I'm yet to build a good one, I never could get a decent core to do so, outputs no problem with the M6 I got.

JS
 
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