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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: Question on the B- power for fixed bias posted by Michael Samra on April 24, 2015 at 14:39:50:
"All one has to do is put their scope on the C minus supply source with that simple scheme and you will see audio riding on the rail "
Where would that be coming from? Even without the bias supply output filter conducting the AC to ground - something it's *very* good at - the differential audio signals from the phase splitter should sum to near-zero on the bias rail. If the tiny amount of remaining signal is bothersome (not to be confused with "audible"), a CCS in series with the bias supply or a better phase splitter might be in order. Installing a FW rectifier and Schottkys won't do a thing.
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Follow Ups
- Audio on the bias - Triode_Kingdom 20:13:56 04/24/15 (4)
- RE: Audio on the bias - Michael Samra 09:49:12 04/25/15 (3)
- RE: Audio on the bias - Tre' 20:28:08 04/25/15 (0)
- RE: Audio on the bias - Triode_Kingdom 11:39:53 04/25/15 (1)
- RE: Audio on the bias - Michael Samra 19:23:21 04/25/15 (0)
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