[Milsurplus] [ARC5] ARC-5 Receiver Question

[J. Forster]

That's clearly important (Miller Effect) but from a field theory point of
view, it's not much of a shield. Perhaps it's enough, though.

-John

==============



> John,
>
> Provides shielding between the plate and signal-grid pins that are on
> opposite sides of the base.  There's interesting info on this in the
> 6SK7 data sheet in the 1940 handbook and other later editions.
>
> Al
>
> On 2/18/2010 1:41 PM, J. Forster wrote:
>> Take a careful look at the pic link posted a little while ago. The shell
>> is connected to a pin.
>>
>> Interestingly, the evacuation tip has a metal shield inside the plastic
>> key too. I wonder why they bothered with that?
>>
>> -John
>>
>> ==============
>>
>>
>>
>>> How was the metal shell connected to ground? I don't have any metal
>>> tubes
>>> handy but I remember the shell was mounted on the bakelite base.
>>>
>>> Thanks,
>>>
>>> Mike N2MS
>>>
>>> <snip>
>>> On Feb 17, 2010, at 7:56 PM, J. Forster wrote:
>>>
>>>
>>>> Has anybody taken a metal tube appart? Is the glass fused to the
>>>> metal, or
>>>> is it a glass tube slipped into a metal shell?
>>>>
>>>> TIA,
>>>> -John
>>>>
>>>>
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>
> --
> Al Klase - N3FRQ
> Jersey City, NJ
> http://www.skywaves.ar88.net/
>
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