and use low capacitive coupling, for simple adjustment of the bandwidth
the filter could be set up and tested with these HAM, stile network
analyzers too,
if somebody explains me how to post pictures I could show the whole
process, since I am doing it often for professional designs also
73
KJ6UHN
Alex
On 12/2/2015 8:44 PM, Charles Steinmetz wrote:
Alex wrote:
actually the 34MHz filter [Meinberg scheme] could be made at home, by
using old 10,7MHz FM-IF filters magnetic material, once upon the time
I made some 27MHz filters that way, for 70MHz is bit risky, since
there is no salvageable out there
Mix 67 toroid cores are what you need. Then it's easy.
Best regards,
Charles
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