EricS
Member
Ah, I think I'm beginning to understand a little better now. Given the relatively large size of the bypass cap and the very small mA draw of the tube, I think I was adjusting too quickly to see the effect that I was looking for. I'll experiment again tomorrow and be a little more patient as I adjust things. I'll be sure to get a meter on the plate as well. Somehow, I think I may have missed the obvious :-[