Keysight N2800A User Manual page 84

6
Performance Verification
Figure 66 De-embedded "Vout" trace
13 Under menu "Trace/Math/Memory" select "Data/Memory" in the "Data Math" box.
84
This will divide the current trace (de-embedded vout trace) by the memory
a
trace (de-embedded vin trace) and therefore show the voltage transfer
function of the probe or "vout/vin".
Again, adjust the "Reference Level" in the scale menu so the 50MHz point is
b
at center screen. The display should look like
Turn on a marker and adjust it to where the trace crosses 3 dB below the
c
50 MHz point (which is 1 division below center screen since screen is set to
3 dB/div).
Verify that the BW is
d
probe head, and N2803A 30 GHz probe amp combination.
26 GHz for the N5440A ceramic ZIF tip, N5439A ZIF
≥
Figure 67.
InfiniiMax III Series Probes User's Guide