3 ms·
I was helping a friend repair some old (WW2 vintage) transmitting gear. The voltage dividers used to bias the tubes used almost 100 watts by themselves! Quite
by mikewarot 4y ago
I was helping a friend repair some old (WW2 vintage) transmitting gear. The voltage dividers used to bias the tubes used almost 100 watts by themselves! Quite the contrast to modern electronics.
- ip26 4y agoI believe the reason being, accurate high resistance components were difficult to make for decades, so you’d be working with 10 ohm resistors for your dividers to have sufficient control of the reference voltage. Although suddenly I wonder why you wouldn’t just use four of them for 40 ohms, or eight for 80 ohms…