R L Measures wrote:
>
> On Jul 31, 2006, at 10:41 AM, Steve Thompson wrote:
>
>>
>>
>> R L Measures wrote:
>>
>>>
>>> On Jul 31, 2006, at 1:26 AM, Steve Thompson wrote:
>>>
>>>> Please ignore my previous post - just realised I misinterpreted Rich's
>>>> reply.
>>>>
>>>> I still don't believe in glass that's ok at 30MHz but duff at 100odd
>>>> though.
>>>
>>>
>>>
>>> D-factor doesn't normally increase with increasing freq?
>
>
>> It's not whether it increases but by how much as a percentage and to
>> what value in absolute terms.
>
>
> The problem here is that the glass apparently melted from dielectric
> heating, not from IR emitted by the anode. .
OK - I'll speculate it's a manufacturing flaw in the envelope, you
speculate that it's a parasitic oscillation working on some magic glass,
and we'll agree to differ.
Steve
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