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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: URL if image doesn't work... posted by fatbottle on August 16, 2006 at 05:17:42:
Hello FB and thank you for your input. Since there's the coupling capacitor from driver to CF that will block the DC, wouldn't it then become global AC NFB? What i would like to do is bring DC from the 2A3 plate to the CF load to keep the bias point for the 2A3 stable. I did a mosfet version of the CF without NFB and one tube went into thermal runaway. I think it'll work that way, with the bonus of higher input impedance and lower output Z, but of course there will be coupling of AC signal too so i i'll lose some gain... No free lunch.Salut!
Joris
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Follow Ups
- Re: URL if image doesn't work... - SomeJoe 19:52:39 08/16/06 (2)
- Re: URL if image doesn't work... - fatbottle 02:31:51 08/17/06 (1)
- Re: URL if image doesn't work... - SomeJoe 05:55:28 08/17/06 (1)
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