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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: Re: Self bias and cathode feedback posted by Steve on December 8, 2000 at 21:44:14:
1. DC bias is not lost - current still flows through the cathode resistor.
2.Any DC signal flowing thogh "Cathode feedback" winding, the grounded center taped secondary, has a net magnetic effect of 0, and the ac current (signal), is 180 degrees out of phase as in any PP circut which gives the negative feedback.The uses of a ct secondary as cathode feedback is a demonstrated technique, my question involved extending it to a self bias output stage.
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Follow Ups
- Appreciate your effort to commont - but - pmkap 16:19:13 12/09/00 (1)
- Re: Appreciate your effort - steve 08:37:40 12/10/00 (0)
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