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Old 1st July 2009, 04:33 PM   #151
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Thank you for the advice. Would have a prefrence on Circuit boards that would work well for this application?
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Old 1st July 2009, 07:51 PM   #152
Netlist is offline Netlist  Belgium
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I tried - later on - with the famous BrianGt or Peter Daniel boards (don't recall) but in my case they needed some compensation caps to prevent oscillation. Apart from that they were very nicely made and I would think hard to find.

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Old 14th September 2015, 11:01 PM   #153
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Old 15th September 2015, 09:37 AM   #154
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Maybe you could "unwind" the transformer ?
Take a few secondaire windings of, i did it to, to go from 30 to 28 volts.

BOZ, BZLS, Aleph5 & Aleph J (P1.7 under construction)
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Old 19th September 2015, 12:46 AM   #155
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so unwinding secondaries does lower the voltage of the secondary? If i buy a 65 volt transformer, will I be able to unwind secondary coil until it reaches an output of 40- 20 volts?
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Old 19th September 2015, 01:24 AM   #156
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but , that will leave you with undersized thickness of secondary wire

it is calculated for original VA of xformer , and when you unwind more than 10% , wire is too thin to cover full VA capacity of core/initial xformer configuration
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