Daily Archives: 3/1/2010

On the LDG Z-11 Pro

AK6L was installing an attic dipole, and idly wondered what the maximum inductance and capacitance the LDG Z11 Pro could swap in. He sent LDG an email, and got a quick response, and since I have the same tuner, I thought I’d write down what they said for future reference. Apparently, it can use 15uH of inductance, and 3000pf of capacitance.

Vacuum Tubes in Wireless Communication

More early reading on vacuum tubes. To be honest, I never really understood (or frankly studied) the physics of semiconductors, which always seemed a bit abstract to me. Having read some of these early texts on how vacuum tubes work, they seem fairly straightforward by comparison. I wonder if I go back and read some introductory semiconductor texts, whether they will seem more straightforward now?

Anyway, another nifty classic text on Google Books: