Today i built the toroid for receiver's input band pass filter. I was searching for ferrite toroids, but could not find it. My only need was oscillator and filterings.
So searched the tap-washer of original bitx20. But, no way. Wow, i take the value of that as bench mark and started building filter the hardest way.
So searched the tap-washer of original bitx20. But, no way. Wow, i take the value of that as bench mark and started building filter the hardest way.
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