[Amps] FL2100Z on 160 meters

Brian Carling bcarling at cfl.rr.com
Fri May 30 18:49:58 EDT 2003


What position is the loading control running at when delivering 350 watts to the 
dummy load on 160m?

If it is fully anti-clockwise (to the left) then you might need more loading 
capacitance in parallel with the output.

On 29 May 2003 at 10:05, Osten B Magnusson wrote:

> 
> 
> Here I am again with my ''problem'' FL2100Z. Seems to be
> working OK now - at the moment with Chinese 572B's - but
> one, rather two, questions:
> 
> The amp delivers normal output on all bands except 160
> meters, tuned into a 50 ohm dummyload it delivers 350 watts.
> Seems to have to do with the loading - changing C2 settings
> doesn't make much difference - now for the question:
> 
> Is this ''normal'' for the FL2100Z or not? 
> 
> What changes in the loading circuit may help?
> 
> Thanks in advance and 73 de Osten SM5DQC 
> 
> sm5dqc at algonet.se
> 
> 
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