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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: I got a question... posted by DAK on June 23, 2016 at 15:38:05:
Yes, the cathode current and the plate current are the same thing in a triode.
In a pentode you have the current through the plate and the current through the screen grid. So the cathode current would include both.
With a triode the only current path is the plate, that is to say, the current that flows up from ground to the cathode and then across the vacuum to the plate and then to the power supply and then back to ground.
If we allow the control grid to become positive WRT the cathode then we would also have current flowing out of the control grid but this is not something we would normally do.
I know you said that you're not comfortable working around the "theory" side but I would encourage you to learn theory.
IMO this hobby is soo much more fun when you start understand what's really happening with these circuits.
I think the real beginning of understanding is to understand that electronics (and electrons) are real and physical.
When I look at a schematic I can "see" where the electrons and electronic charges are going.
Tre'
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- RE: I got a question... - Tre' 16:27:20 06/23/16 (0)
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