开云体育

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I wound another V12 bandpass filter board to replace the prototype board in my radio. I'm pretty happy with the performance. Here are some plots showing the measured transmission curves for all the channels.

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I measured and tweaked the inductance for every core and ended up with values that often differ from the recommended values. You can find a fill write up with all the details of the core windings and a comparison of each filter to the ELSIE simulation on my blog here:

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Cheers,

Oliver KI3P