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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: 6gk5 users, what do you do with the internal shield? (nt) posted by Tre' on May 4, 2017 at 19:39:56:
I found this image on a Japanese page describing no only the 6HA5 but the 6gk5 as well.Translated, " In the literature *, in 6GK5 and 6HA5, there was explanation that Cpg was decreased by placing a plate of a small area far and focusing the electron flow by the beam plate."
The "beam plates" shown would be the internal shield if a 6gk5 were being depicted.
So, like a planar tube, the cathode to plate current (in the 6ha5 and the 6gk5) only flows from the wide part (top and bottom as shown) of the cathode to the portion of the plate that is closes to the cathode, each side and not off the ends (left and right).
The rest of the plate is "shielded" from not only the grid but also the cathode.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
Edits: 05/04/17
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Follow Ups
- More - Tre' 20:07:53 05/04/17 (4)
- RE: More - Triode_Kingdom 06:39:59 05/05/17 (3)
- RE: More - Tre' 07:23:34 05/05/17 (2)
- Here's a diagram without the extra screen. - Tre' 07:48:18 05/05/17 (1)
- RE: Here's a diagram without the extra screen. - Triode_Kingdom 13:14:12 05/05/17 (0)
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