Re: CW Filter
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Here's an old thread on adding a separate CW crystal filter to the uBitx:
On Sat, Mar 14, 2020 at 07:40 PM, Bob Clarke wrote:
Has anyone looked at designing a crystal filter for CW, any number of poles? I like the notion of using adjustable digital filters but believe based on my industry experience that any ADC should preceded by decent analog filtering to prevent overload by IMD.