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Old 15th September 2012, 08:16 AM   #101
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Maybe for a Microphone !!

There is no data.

jer
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Old 15th September 2012, 11:40 AM   #102
el`Ol is offline el`Ol  Germany
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Yes, most likely no difference in primary/secondary winding thickness.
That this bigger one is for signal is unlikely, isn't it?
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Old 15th September 2012, 08:09 PM   #103
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Yes, That one looks a little more suitable for experimentation as it has a larger size core.

jer
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Old 16th September 2012, 12:17 PM   #104
el`Ol is offline el`Ol  Germany
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Thanks, I bought it.
If it doesn't have the right windings I have at least a nice core for winding myself.
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Old Yesterday, 09:09 PM   #105
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Alex, the balanced/unbalanced thing (balun) one turn transformer sounds interesting!
Could You explain a little further?

Are the cores (with primary windings) encapsulated in the 3/4 turn copper clad?
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Old Yesterday, 09:28 PM   #106
scholl is offline scholl  United States
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You may want to consider starting with a Jantzen toroidal crossover choke and add the secondary by hand. Add a few windings to figure out the turns ratio then the primary turns. figure out the ratio you want then add the right amount of secondary turns to finish it up.
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