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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: RE: IT Transformer connection phasing posted by deafbykhorns on September 17, 2016 at 15:26:21:
In a bifilar transformer, coupling is both magnetic and capacitive. The capacitance is created by the proximity of the primary winding to the secondary winding over the entire length of the bifilar wires. Because of this capacitance, it's important that both wires at one end be connected to high Z, and both wires at the other end be connected to low Z (AC ground). If one or the other winding is connected incorrectly, the high-Z end of one will be adjacent (and capacitively coupled) to the low-Z end of the other. This provides a path for higher frequency signals to be shunted to ground.
If this isn't clear, let me know. I'll post a sketch that shows what I'm trying to describe.
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Follow Ups
- Shunt capacitance - Triode_Kingdom 23:57:05 09/17/16 (3)
- RE: Makes perfect sense now - deafbykhorns 10:56:16 09/18/16 (2)
- I connected it wrong at first too.... - andy evans 11:40:28 09/18/16 (1)
- RE: I connected it wrong at first too.... - deafbykhorns 16:20:05 09/18/16 (0)
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