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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: Oops! posted by Poindexter on August 12, 2006 at 11:59:30:
..could have blown the tube up <Connecting all the grids together is not a problem - if you treat then as the signal grid with suitable bias to set a sane anode current - as it just 'converts' the tube into a low mu triode.
But if you connect all the grids together and then connect them to the anode through a small value R - as your original post (typo) suggested - then the anode current will go off the clock and the tube internals, especially the delicate signal grid, will turn rapidly to slag!
Regards, Allen
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Follow Ups
- "I don't see at a glance how connecting all the grids together... - Allen Wright 02:38:49 08/13/06 (8)
- Re: "I don't see at a glance how connecting all the grids together... - Poindexter 09:39:17 08/13/06 (6)
- Super enhanced triode mode? - Mark Kelly 22:12:39 08/13/06 (3)
- Thazzrite. - Poindexter 11:39:48 08/14/06 (2)
- Re: Thazzrite. - Pär 22:57:49 08/14/06 (1)
- Well, there you have it. - Poindexter 08:16:05 08/15/06 (0)
- Re: "I don't see at a glance how connecting all the grids together... - Pär 13:12:03 08/13/06 (1)
- G2 is connected to controlgrid (ie. negative compared to cathode) not much would happen at all... - Poindexter 14:03:52 08/13/06 (0)
- Re: "I don't see at a glance how connecting all the grids together... - amnesiac 07:07:29 08/13/06 (0)
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