On Jul 11, 2005, at 11:36 PM, Ian White GM3SEK wrote:
> wrote:
>>>>
>>>> ... by stopping the flow of current into the screen PS.
>>>>
>>> If the "glitch" is an arc from anode to screen, the mains fuse won't
>>> protect the screen at all.
>>
>> A tube that arcs from the anode to the screen is already a goner, Ian,
>> so there is nothing of value to protect.
>
> That simply isn't true. Well designed power supplies can protect the
> tube, the anode supply and the screen supply against a wide range of
> faults, including arcs. Many of these faults are completely
> recoverable.
What condition would make the anode arc to the screen?
...
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