>
>...... Apparently, if the maximum current
>capabilities of these cathodes are "pushed", you can actually strip
>oxide from them. .....
Photo of overdriven/stripped cathode in Sept./October, 1990 *QST* article
"Parasitics Revisited". The oxide flakes created a grid/cathode short
circuit.
cheers, Dave.
- Rich..., 805.386.3734, www.vcnet.com/measures.
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