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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: There are no issues with the filamnent winidngs in the leak amps. posted by Michael Samra on April 3, 2016 at 17:30:41:
It's not the filament winding that needs to have the minimum DCR, it's the HT winding.
And it's not the filament current, it's the peak B+ current through the rectifier tube.
With a cap input filter each diode is only on for a short time each half cycle.
The larger the cap the shorter that time is and the higher the current will be.
The allowable amount of uf is directly related to the amount of limiting resistance in place.
More resistance, more uf allowed. Less resistance, less uf allowed.
Tre'
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Follow Ups
- RE: There are no issues with the filamnent winidngs in the leak amps. - Tre' 18:30:11 04/03/16 (4)
- RE: There are no issues with the filamnent winidngs in the leak amps. - Michael Samra 20:38:40 04/04/16 (0)
- RE: There are no issues with the filamnent winidngs in the leak amps. - Tube747 23:54:37 04/03/16 (2)
- RE: There are no issues with the filamnent winidngs in the leak amps. - Tre' 08:24:03 04/04/16 (1)
- RE: There are no issues with the filamnent winidngs in the leak amps. - Tube747 03:26:21 04/06/16 (0)
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