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atusd/tests/psd*: first transmit power spectral density measurement

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Werner Almesberger 2010-09-11 15:24:59 -03:00
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Transmit Power Spectral Density
IEEE 702.15.4-2006 specifies in section 6.5.3.1 that spectral products
further away from the carrier frequency than 3.5 MHz have to be at least
20 dB below the highest average within 1 MHz of the carrier.
File Frequency TX power set. Pickup
psd-2430.png 2430 MHz -12.2 dBm Cable
Cable pickup:
http://downloads.qi-hardware.com/people/werner/wpan/atusd/tethered.jpg

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