HI,
I have already forgotten about WSPR ;)
73,
Bill KU8H
bark less - wag more
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On 7/15/21 2:52 PM, Reginald Beardsley via groups.io wrote:
Why? A couple of 2N3904s or 2N2222s and a small MCU would require less effort and give better performance.
Design a 3rd order Cauer filter with Elsie for the LPF. IIRC I got 60dB suppression of the 2nd and 3rd harmonics.
Have Fun!
Reg
