Bill,
The distortion and harmonics are in the audio section, which when over driven
are no longer linear. The harmonics that you are seeing are audio,, not RF.
The RF signal is still linear.
Hal W5GHZ
Sent from Yahoo Mail. Get the app
On Tuesday, July 31, 2018 10:38:09 PM GMT, Bill Somerville
<g4...@classdesign.com> wrote:
On 31/07/2018 16:18, Black Michael via wsjt-devel wrote:
Sometimes you see the 2nd and sometimes the 3rd (and once I've seen the 4th).
Depends on how well the rig suppresses the 2nd harmonic.
Hi Mike,
I don't understand how you come to the conclusion that the rig could suppress a
2nd harmonic and not not suppress a 3rd harmonic of audio passed to it by at
least the same amount. I can't think of any way that could happen with an SSB
transmitter unless the fundamental is below ~200Hz.
OTOH odd-integer harmonics are often the result of clipped signal distortion.
73
Bill
G4WJS.
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