In Reply to: RE: Alex... posted by Alex Kitic on October 26, 2014 at 22:31:13:
Of course, the HF AC heaters supply can be used as well with fixed bias: only one side of the filament will be connected to ground (grounded), or even better in my view, the midpoint of the humdinger resistors arrangement will be connected to ground (instead of being connected to whichever cathode resistor or CCS might be used - which in turn is grounded on the other end).
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