In Reply to: Grid emission question posted by onemug on July 31, 2016 at 10:44:03:
It's the result of a gassy tube. Positive ions are created by current through the tube. The ions are than attracted to the negatively-charged grid, creating grid current. Not sure how well simple testers differentiate between this and a shorted grid.
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Follow Ups
- RE: Grid emission question - Triode_Kingdom 07/31/1611:32:35 07/31/16 (1)
- Thanks. Great explanation. nt - onemug 20:33:21 07/31/16 (0)