Keysight N9912A User Manual page 161

In the following table, Data/Mem shows both pairs of connectors to have the same 2
dB difference. However, the second pair of connectors have much better S11
performance (–50 and –52) and the relative significance is shown in the Data-Mem
values.
Data Analysis Features
Values to compare Data/Mem
–10 dB and –12 2 dB
dB
–50 dB and –52 2 dB
dB
Data-Mem
for S-parameters for absolute power levels
with 20 *log with 10*log relationship
relationship
-24 dB
-64 dB
Data-Mem
-14 dB
-54 dB
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