Compression point

Using the internal attenuator and the LINEARITY measurement to step through 30 attenuation steps and plotting the peak level measured for all steps allows an easy measurement of the 1dB compression point. Here the green line plots 290 measurements of a 300MHz signal at +11dBm versus 30 attenuation steps of 1dB with the highest attenuation (29dB) at the left. The line shows the 1dB compression point to be around +3dBm

attachment:1dBc.jpg


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TinySA-CompressionPoint (last edited 2021-01-21 16:54:21 by RudolfReuter)