At what anode voltage do valves begin to radiate dangerous X-rays? My
schoolboy physics (Plank's constant, etc) suggests frighteningly modest
voltages: around 2 Angstroms at only 5KV if there are suitable energy levels
in the atoms of the anode material.
I would guess that the self-shielding geometry of external anode valves
reduces the problem, but the ceramic seals are still going to be transparent
to X-rays.
Am I worrying unnecessarily? Is the X-ray warning on, for example, the 8171
data sheet just Eimac covering themselves in a litigious society? Should I
invest in a lead apron?
Alan G3XAQ
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