[Boatanchors] 15E

[Barrie Smith]

Carl:

You're right!  My excuse is, as they say, "senior moment".

Sorry, All.

73, Barrie, W7ALW
----- Original Message ----- 
From: "Carl" <km1h at jeremy.mv.com>
To: "Barrie Smith" <barrie at centric.net>; <boatanchors at mailman.qth.net>
Sent: Friday, July 03, 2009 5:11 PM
Subject: Re: [Boatanchors] 15E


> The 15R is a half wave diode Barrie, the 15E is the triode.
> 
> Carl
> KM1H
> 
> 
> ----- Original Message ----- 
> From: "Barrie Smith" <barrie at centric.net>
> To: <boatanchors at mailman.qth.net>
> Sent: Friday, July 03, 2009 6:07 PM
> Subject: [Boatanchors] 15E
> 
> 
>> It is, in fact, a radar transmitting tube, c WW2.  Used, usually in 
>> groups,
>> as either a final amplifier in small radar, or as a driver for a larger
>> radar transmitter.
>>
>> Specs are very similar to the old 20T.
>>
>> Doesn't use a socket, but, as Eimac calls it, a "fixture", for the 
>> filament
>> pins.  This fixture allows for a small amount of movement as the tube 
>> heats
>> or cools.
>>
>> If you attempt to use one, be aware that the grid is the top pin and the
>> plate is out of the side of the envelope.
>>
>> 73, Barrie, W7ALW
>>
>> ----- Original Message ----- 
>> From: "jmfranke" <jmfranke at cox.net>
>> To: "Pete Lancashire" <pete at petelancashire.com>;
>> <boatanchors at mailman.qth.net>
>> Sent: Friday, July 03, 2009 1:46 PM
>> Subject: Re: [Boatanchors] Eimac Type 15R
>>
>>
>>> One use was in the ASB radar transmitter high voltage power supply.
>>>
>>> John  WA4WDL
>>>
>>> --------------------------------------------------
>>> From: "Pete Lancashire" <pete at petelancashire.com>
>>> Sent: Friday, July 03, 2009 4:09 PM
>>> To: <boatanchors at mailman.qth.net>
>>> Subject: [Boatanchors] Eimac Type 15R
>>>
>>>> anyone seen what this baby tube was used in ?
>>>>
>>>>
>>>> http://petelancashire.com/gallery/main.php?g2_itemId=5353
>>>>
>>>>
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> 
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