[Milsurplus] VT-191 Socket

Richard brunneraa1p at comcast.net
Wed Mar 8 21:52:55 EST 2017


Sehr interessant/very interesting.  Do let us know what you're 
thinking.  I've often thought the 316-A was a neglected tube, and keep 
looking at the VT-127.

Richard


On 03/08/2017 09:26 PM, Michael Bittner wrote:
> Richard,
> Yep, you are probably right, but I was thinking of using it in an HF 
> application.
> Mike, W6MAB
>
>     ----- Original Message -----
>     *From:* Richard <mailto:brunneraa1p at comcast.net>
>     *To:* milsurplus at mailman.qth.net <mailto:milsurplus at mailman.qth.net>
>     *Sent:* Wednesday, March 08, 2017 6:06 PM
>     *Subject:* Re: [Milsurplus] VT-191 Socket
>
>     Probably not, and would be undesirable because any insulation at
>     high impedance points (grid and plate) will introduce losses at
>     UHF.  At UHF "no socket" is better.  The BC-645 is the only
>     application I have ever seen for the 316-A
>
>     Richard, AA1P
>
>
>     On 03/08/2017 08:48 PM, Michael Bittner wrote:
>>     Was a stand-alone socket ever made for the VT-191 (316A) UHF Triode?
>>     As used in the BC-645 IFF Transponder, there is a socket for the
>>     filament pins only, while the grid and plate pins plug directly
>>     into receptacles on the quarter-wave tuned-lines of its ultra
>>     audion resonant circuit.
>>     A stand-alone socket would probably be T-shaped with the filament
>>     pins in the vertical part of the Tee and the grid and plate pins
>>     at the ends of the horizontal part of the Tee.
>>     http://www.radiomuseum.org/tubes/tube_vt191.html
>>     Mike, W6MAB
>>
>>
>>     ------------------------------------------------------------------------
>>
>>     	
>>
>>     .
>>
>>
>>
>     ------------------------------------------------------------------------
>     ______________________________________________________________
>

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