30-06-2020, 06:01 PM
Thanks for the detailed answer, Mike!
I'd read some of Joe Sousa's notes some time ago, but thank you for refreshing me with the links.
Regarding the vari-mu aspect, yes I can see the practical difficulties of making them - though that's different from it being fundamentally impossible.
And making with an ID cathode, again, I can accept that everything would have to be scaled up. No longer 'miniature' with grid rods several millimetres in diameter - but possible in principle, it seems to me, if not, why not?
But I hadn't seen the notes on the 1j37b. That's my evening reading sorted!
I'd read some of Joe Sousa's notes some time ago, but thank you for refreshing me with the links.
Regarding the vari-mu aspect, yes I can see the practical difficulties of making them - though that's different from it being fundamentally impossible.
And making with an ID cathode, again, I can accept that everything would have to be scaled up. No longer 'miniature' with grid rods several millimetres in diameter - but possible in principle, it seems to me, if not, why not?
But I hadn't seen the notes on the 1j37b. That's my evening reading sorted!
