[RFI] Balun designs chokes
dalej
dj2001x at comcast.net
Sun Jan 8 13:01:38 PST 2012
Which model were you trying to emulate?
Dale, k9vuj
On 08, Jan 2012, at 14:14, e73m at e73m.com wrote:
> Hello,
>
> did anyone measured balundesigns.com chokes. I have tried to make
> replica with FT240-K core and wound as on pictures but simple S21
> measurements shows poor response below 21MHz, nowhere near their
> published charts.
>
> It looks like their core is a bit different then then standard FT240-K
> core as used in Comtek/DXengineering chokes.
>
> 73 Danny E73M
>
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