[hpsdr] IMD definition

FRANCIS CARCIA carcia at sbcglobal.net
Tue Jan 22 15:50:33 PST 2013

Hi All,
ARRL method of measuring IMD covers up the poor quality of rice boxes on the market.
I'm here to get away from that over priced junk. The mil method accounts for PEP by running at
a power level that puts the combined waveform peak at the amplifier power rating. The spectrum analyzer 
displays the carriers and IMD with the same demodulation so how is it valid to add 6 dB to the carriers and
not the distortion.  It is all about high performance as in HPSDR. Frank WA1GFZ
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