Bob Eld wrote:
> "Ron Hubbard" <ryon@[EMAIL PROTECTED]
> wrote in message
>
news:add5c12c-1a93-43b8-bea3-0509af48e5b9@[EMAIL PROTECTED]
>> I bought a bunch of vacuum tubes from a surplus electronics store
>> that was going out of business, so many of them weren't marked as to
>> what tubes they were-- but they were cheap. One in particular is a
>> large eight inch tube that has four pins at the bottom and two
>> connectors for electrode caps, one at the top and another one sticking
>> off to the side in an "L" shaped arrangement.
>>
>> It's obvious it's a power tube of some sort, but does anybody have any
>> idea what kind? Diode or triode? I don't know if it's a tube number,
>> but marked at the base by the filaments is the number 35049... Any
>> help indentifying this tube would be appreciated.
>>
>> Ron
>
> Hard to say without more info, but it may be an 810, Transmitting
Triode.
> The max ratings of this tube are 2750 plate voltage, 250 ma plate
current,
> 175 W dissipation., 10 volt fil. The base has four short pins. The grid
is
> the side cap and the plate the top cap. The tube is 8 1/2 in long and 2
9/16
> diameter. The base is a bayonet mount.
>
>
IIRC there are other tubes in the same package, but AFAIK (and I'm no
expert) the 810 is most likely.
--
Tim Wescott
Wescott Design Services
http://www.wescottdesign.com
Do you need to implement control loops in software?
"Applied Control Theory for Embedded Systems" gives you just what it says.
See details at http://www.wescottdesign.com/actfes/actfes.html
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