Can't speak to the KX3, but for a K3(S) the mic gain equalizes the two tones.
On 6/12/2016 2:53 PM, Erik Basilier wrote:
I am testing my KX3 / KXPA100 combo, looking at TX IMD and power output
depending on the DC power supply characteristics. I am experimenting with a
N8XJK Boost Regulator (40A max) as well as an Astron linear supply adjusted
down to low voltage, simulating a run-down battery.
To judge IMD I use the built-in 2 TONE, mix down sampled output to audio,
and feed into Spectrum Lab.
When I look at the envelope, its smallest amplitude is about 1/3 of peak.
This suggests that the 2 tones are not of equal amplitude. Has anyone else
seen this? I downloaded the laterst firmware about a week ago.
Thanks,
Erik K7TV
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