common values of gm for a small-sign vacuum tube are 1 to ten millisiemens. It is among the a few 'constants' of a vacuum tube, the other two remaining its achieve μ and plate resistance Rp or Ra. The Van der Bijl https://lancegwji903372.kylieblog.com/30770009/the-single-best-strategy-to-use-for-boron-carbide-ceramic-plates