>On USB the trace was substantially flat with the -3dB points at 430Hz
and 2.77KHz. Not too bad >and could probably be improved by moving the
carrier offset frequency.
>On LSB, however the trace was far from flat having a slope from audio
LF to HF of about 6dB. >Not very good at all...
>I wonder if others have plotted their 5 pole filters.
Stewart,
I just ran a similar test using spectrogram and it confirms what I
thought I heard with my ears and was similar to the results you got. It
was basically flat on USB but was sloped about the same amount on LSB.
73,
John, KD8K
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