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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: or... posted by Pär on October 25, 2005 at 21:22:04:
I think I see the point. Having read the responses with interest (thanks, everyone), my thinking on this has become clearer - or, at least, different.The problem seems to be that, if the "passive" tube is a triode, its plate current will be modulated by its varying plate voltage. This varies because of the "active" tube sharing the same center-tapped primary winding. If the passive tube were a pentode (not UL), then its plate current would be governed by its unvarying screen voltage and relatively unaffected by the varying plate voltage, so it would act more like a CCS. Agreed?
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Follow Ups
- Re: or... - Ray Moth 08:20:51 10/26/05 (1)
- Re: or... - Pär 09:07:53 10/26/05 (0)
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