Sorry; I ment to say 22.4 and not 23.4Mhz
Hugo W. Catta wrote:
> The plate choke in my 1 X 3-500Z homemade, (cookbook type, no creativity
> of my part involved), amp is a B&W 800, or very similar according to
> pictures in older cataloges.
> The grid dip indicates (shyly), resonance at 23.4 Mhz.
> On 15 meters I noticed a higher Ip and lower Ig compared to other bands.
> Also the plate color gets brighter (too bright if you ask me), easier
> than on other bands. My Bird indicates 600 W out with 26 watts of drive.
> That is over 13db amplification for a 3-500Z. That doesn´t happen on
> other bands.
> Is there any relation between the fact that the choke resonates only 5
> percent above the freq in use and the different behavior on 15 ?
>
> Thanks
>
> Hugo,
> CX9AAK\W2
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