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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[AMPS\]\s+screen\s+emission\,\s+primary\s*$/: 2 ]

Total 2 documents matching your query.

1. [AMPS] screen emission, primary (score: 1)
Author: (John Lyles)
Date: Mon, 9 Mar 1998 10:15:56 -0700
AG6K spoke of the primary emission from screen grid of 3CX800A7 due to overheated cathode, with subsequent barium deposition on the gold wire. This certainly is a concern if, as he said, the filament
/archives//html/Amps/1998-03/msg00079.html (8,594 bytes)

2. [AMPS] screen emission, primary (score: 1)
Author: (Rich Measures)
Date: Mon, 9 Mar 98 16:47:40 -0800
agreed not the same thing. Running the heater above the rating in a 3cx800a7 causes the problem. One can not burn it off of the grid by overheating the cathode because doing so evaporates more bariu
/archives//html/Amps/1998-03/msg00124.html (8,029 bytes)

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