[quote author="DrFrankencopter"]Allow for at least 300ma for the heater, and at least 10 ma for the plate voltage.
Cheers,
Kris[/quote]
Hi Kris
I will use two transformers like on Jakobs schematics. One 220V to 12V and one in wrong way 12V to 220V. It means that 300mA plus some curent is enought for both. What enought?.
Duka