Re: CW Filter

Jerry Gaffke
 

Yup.
Here's an old thread on adding a separate CW crystal filter to the uBitx:
    https://groups.io/g/BITX20/topic/32840565

Jerry, KE7ER


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. 

Thanks! 

Bob, N1RC

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