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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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I was thinking about battery bias,using a battery to apply negative V to the grid, when an internet search on this subject led me to Tubecad, where John Brosky once proposed putting the battery in series with the signal to the grid, negative terminal toward the grid pin, positive terminal toward the signal source coupling capacitor. He additionally mentioned bypassing the battery with a small value capacitor. This topology and the idea to do it are entirely novel to me. Has anyone ever tried it? Does anyone have a good reason not to do it? Thanks.
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Topic - battery in series with the grid - Lew 08:17:36 04/17/20 (16)
- RE: battery in series with the grid - trobbins 00:03:34 04/18/20 (3)
- RE: battery in series with the grid - Tre' 15:12:50 04/18/20 (2)
- RE: battery in series with the grid - dhsettim 15:37:29 04/18/20 (1)
- RE: battery in series with the grid - Tre' 19:06:07 04/18/20 (0)
- RE: battery in series with the grid - Stephen R 10:55:46 04/17/20 (3)
- RE: battery in series with the grid - Lew 11:00:36 04/17/20 (2)
- RE: battery in series with the grid - Stephen R 12:59:46 04/17/20 (1)
- Good point. - Lew 14:02:05 04/17/20 (0)
- RE: battery in series with the grid - Paul Joppa 09:08:42 04/17/20 (7)
- RE: battery in series with the grid - Lew 10:23:04 04/17/20 (6)
- RE: battery in series with the grid - Paul Joppa 11:19:07 04/17/20 (5)
- I was thinking of placing a resistor to ground,... - Lew 14:03:51 04/17/20 (4)
- RE: I was thinking of placing a resistor to ground,... - Tre' 20:05:23 04/17/20 (3)
- RE: I was thinking of placing a resistor to ground,... - dave slagle 05:59:11 04/18/20 (2)
- RE: I was thinking of placing a resistor to ground,... - Tre' 14:52:14 04/18/20 (0)
- Yep - Lew 07:55:52 04/18/20 (0)
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