Hi, this is what I measured one and a half year ago using an iMote2 and a spectrum analyzer, I actually demodulated the signal so you can be sure that the values are quite accurate. However the weird thing is that the mote did not rise to 0dBm, but only to -4dBm. Sorry, I did not remember whether each column belongs to a different mote. Also, note that setting the value to 0 it gives the maximum power, but 1 stands for the least output power.
0 -4.1 1 -51 2 -46 3 -29 -28.9 4 -22 -22.8 5 -22 -22.7 6 -22 -22.5 7 -19 -19.4 8 -16.5 -16.6 9 -16.5 -16.5 10 -16.5 -16.42 11 -15.5 -14.6 12 -13.8 -12.7 13 -13.7 -12.7 14 -13.7 -12.6 15 -12.4 -11.4 16 -11.1 -10 17 -10 -10 18 -10 -10 19 -9 -9 20 -8 -8 21 -8 -8 22 -8 -8 23 -7.2 -7.2 24 -6.5 -6.3 25 -6.5 -6.3 26 -6.3 -6.3 27 -5.7 -5.6 28 -5 -4.9 29 -5 -4.9 30 -5 -4.9 31 -4.4 -4.3 I hope this helps! Cheers! Sergio On Tue, Feb 21, 2012 at 6:10 AM, Xiaohui Liu <[email protected]> wrote: > Hi everyone, > > Does anyone know what the output powers are at each power level from 0 to > 31 for CC2420? > The CC2420 datasheet only gives the output power for level 3, 7, 11, 15, > 19, 23, 27 and 31. However, the output power for other levels like 2 or 12 > are missing. I find some threads such as > 1<http://comments.gmane.org/gmane.os.tinyos.users/18536.>, > 2<http://mail.millennium.berkeley.edu/pipermail/tinyos-help/2009-March/039014.html> > and > 3<http://mail.millennium.berkeley.edu/pipermail/tinyos-help/2007-August/027345.html>, > asking similar question, but no definitive answers based on measurements > have been given. Please advise. Your help is truly appreciated. > > -- > -Xiaohui Liu > > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >
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