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1. [Amps] 8877 on 144MHz negative grid current. (score: 1): Author: Conrad PA5Y <g0ruz@g0ruz.com>; Date: Fri, 13 Jul 2018 21:09:30 +0200; Hello all. I have a question on behalf of an Italian friend of mine. He has 8877 amplifier for 2m and what sounds like some tired tubes. His 'normal' tube is a 3CPX1500. Recently he has noticed that; /archives//html/Amps/2018-07/msg00037.html (7,859 bytes)
2. Re: [Amps] 8877 on 144MHz negative grid current. (score: 1): Author: Bill Turner <dezrat@outlook.com>; Date: Sun, 15 Jul 2018 14:04:37 +0000; "Negative grid current" means the grid is actually emitting current, much like a cathode. To the best of my knowledge there are only two reasons why this might happen: 1. The grid is drawing so much; /archives//html/Amps/2018-07/msg00040.html (7,776 bytes)

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