[Amps] 3CPX800A7

[Carl]

Use the 3CX800A7 data sheet. The minor internal differences will have no 
effect in anamp except for a very slight tuning difference on 10 or 6M

Carl
KM1H


----- Original Message ----- 
From: "Charles Bibb" <zedkay at telepak.net>
To: <amps at contesting.com>
Sent: Wednesday, February 11, 2009 10:36 AM
Subject: [Amps] 3CPX800A7


>
> Need a little info guys:
>
> I found the data sheet for the 3CPX800A7 at the CPI/Eimac website,
> but this data sheet looks as though a few things have been left
> off.  They say the tube is "intended for use in zero bias class B
> amplifiers in pulsed radio frequency applications".
>
> However, if I were using it in a grounded grid application, would I
> not bias it?  I don't see any data on bias voltage.  What is typical?
> and what should the zero-signal (idle) anode current be?  Also, what
> is the typical maximum grid current?
>
> My first homebrewed amp (now sitting on the shelf) used a single
> 3-500.  The HV supply transformer loafed along with one 3-500, so I'm
> thinking of a conversion to this tube with not than many 
> modifications.
>
> Can anyone point me in the right direction for more detailed specs on
> this tube?
>
> TIA,
>
> Charles - K5ZK
>
>
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