Kenneth D. Grimm, K4XL escribió:
> Would it be possible to have a look at the photos that you took of the
> choke and parasitic suppressor arrangement that you posted on
> www.pixhost.com/pixp/philk5pc/Platechoke.jpg but which are no longer
> available?
I'm interested also, as was written, the file is no longer available.
>
>
>>Hi Phil,
>> If I recall correctly, that choke is listed on the schematic at
>>115uH.
>>
>> Employing the ferrite core should place the first (parallel)
>>resonance suitably above 30 MHz.
>>
>> This appears to be a valid approach because of the low plate
>>impedance (circa 1000 ohms). Though there will still be plenty of
>>reactive current through that choke on the lowest bands.
>
> Actually, it makes pretty good reading...all over again. ;-)
>
>
> 73,
Really.
Many thanks.
Best regards
Guillermo - LU8EYW.
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