[Milsurplus] Powering a GP (long)

[Mike Hanz]

That should be http://aafradio.org/docs/docs.html   :-)

Richard Brunner wrote:

>
>
> Jack Antonio wrote:
> ......> The second problem concerns the compensating capacitance switches
>
>> on the transmitter. They are to be adjusted for no change in filament
>> voltage when keying the transmitter, the best I can get is a half volt
>> drop. I can attribute some of this to the variac voltage dropping, but
>> not all. I don't know if this is due to the inline variac or not,.....
>
>
> If the PE-206 inverter has a carbon pile regulator like the 800-1 
> inverter, connect the feedback line between the compensating capacitor 
> and the load.  The GO-9 has this connection brought out, labeled "F," 
> without comment.  I brought it out on my TBW, and regulation improved 
> to about 0.2 volt from 0.5 volt.  Theoretically, when reactance is 
> neutralized it disappears and it shouldn't make any difference, but in 
> reality it does.  If the PE-206 has saturating poles and is 
> self-regulating, you have a problem with the variac impedance.
>
> See http://aafradio.org/index.htm om Mike Hanz's web site for 
> information on the 800-1 and carbon pile adjustment.
>
> Richard Brunner, AA1P
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