[Elecraft] K3 FSK power transients
Ken_ke2n via Elecraft
elecraft at mailman.qth.net
Thu May 28 21:53:49 EDT 2015
2015-05-27_20_48_16-Time_domain_scope_no_radio.gif
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2015-05-27_19_07_20-Time_domain_scope.gif
<http://elecraft.365791.n2.nabble.com/file/n7603596/2015-05-27_19_07_20-Time_domain_scope.gif>
I hope this works.
I have shown, in two attached images, the tones being produced by WSJT
FSK441 and then the monitor output of the K3. You can see a substantial
drop off of the low frequency tones and some kind of additional modulation
of the overall envelope (most noticeable with the higher frequency tone, but
I think it affects all). Not sure if this is ALC action or something else.
Anyway, the K3 makes a bit of a mess out of some otherwise nice-looking
tones.
Ken
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73
Ken
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