Use 30 dB extra attenuation between the -40 dB sniffer and the tinySA input
Set LEVEL/EXT GAIN to -70 dB
Use the MEASURE/OIP3 and enter the two test frequencies (in case of USB: 14245700 Hz and 14246900 Hz, do not use the decimal dot when entering frequencies)
and set the span to 25 kHz
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Designer of the tinySA
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