[TenTec] Re: CW pleasures

[geraldj@ames.net (Dr. Gerald N. Johnson, P.E.)]

I've found that the DSP filter does reduce receiver noise, but puts its
own back. I'm happier with a passive low pass filter on the speaker.
I've one that has switchable cutoff frequencies in 2:1 steps from about
450 Hz up. Crank out a 400 Hz beat note and that filter and there's
nothing but pure tone, no noise.

73, Jerry, K0CQ

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