[Elecraft] 10/12M Low Output Question

Eric Swartz - WA6HHQ, Elecraft eric at elecraft.com
Tue Nov 9 22:43:24 EST 2004


Check your TX current when set to 10W requested power.

High TX current points to the LPF or output transformer.
Low TX current points to T2 or low drive from the BPF filter.

73, Eric  WA6HHQ


Leigh L Klotz, Jr. wrote:

> Does 0.8W output on 10m/12m sound more like a problem with the lowpass 
> filters or with T2 being too close to the board?
>
> I re-peaked the 10M inductors at 28.2 and again at 28.4 just for a 
> test, and still get just under 1W, either directly into a good dummy 
> load with the KAT2 measuring, or with an external wattmeter.  I 
> haven't tried twirling the 12m trimmers.
>
>
>
> I am looking for advice on whether my next step should be to remount 
> T2 (which will require rewinding it as the leads are clipped now), or 
> taking a deeper look at the filters.
>
> Might an RX sensitivity test tell me something here, as I have the XG1?
>
> 73 es TNX,
> Leigh WA5ZNU
>
>



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