[ARC5] Modeling the PA stage

J. Forster jfor at quik.com
Mon Apr 10 01:32:30 EDT 2006


Ian Wilson wrote:

> I'd like to analyze the output side of the BC-459/T-22 in order to
> understand how to load it properly, etc.
>
> I can estimate the source resistance of the 1625's from the HT voltage &
> current drain using the ARRL formula 0.5 * Vp * Ip. The inductance of the
> tank coil can be calculated.

Why estimate??

http://www.wps.com/archives/tube-datasheets/Datasheets/Raytheon-SP-7106-1260-20M/index.html

The tube data is also in the Maintenance Manuals here:

http://wireless-set-no19.trackpads.net/

-John




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