I ran a fast 6 meter filter design from the AADE software and put the schematic and calculated plot in my Photos section KE7HR. This might be a starting point.
Paul KE7HR
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--- In QRPLabs@..., "Paul KE7HR" <ke7hr@...> wrote:
There is FREE filter design software at:
It also includes a calculator to determine which toroid to use and the number of turns to complete the design.
I usually take what I get from AADE and work with it in the programs from the ARRL book "Expermintal Methods in RF Design" to make it just what I want, but the AADE design usually don't need much attention. I have used it to make filters from LF through low VHF.
Paul KE7HR
--- In QRPLabs@..., "T M" <f5ozf@> wrote:
Hello
I search a 50MHz LPF design seem than for U2
Maybe you have this
Thanks by advance
Sincerely
Michel F5OZF