Keysight Technologies CXA N9000B, Manual

Page: 19 / 88

N9069C Noise Figure Measurement Guide 19
Making Noise Figure Measurements
Making Basic Measurements
Making the Measurement
Step Action Notes
1. Make the measurement
—
Insert the DUT
between the noise
source and the signal
analyzer following the
measurement setup in
Figure 2-1
.
After the DUT and noise source are
connected, the measurement result appears
on the analyzer’s display. If it does not, press
Restart
. A result similar to the following
figure is displayed.
Refer to
“Displaying the Measurement
Results” on page 82 for more details
about viewing measurement results.
The results show the DUT has an average noise figure of 2.72 dB, an average gain of 25.82 dB and a minimum gain of
25.735 dB. The device under test therefore meets its manufacturer’s specification over the frequency range of interest.
Figure 2-2 Typical Tabulated Results after Measurement
2. View the results in a
graphical format
— Press
Display
,
Layout,
and select Graph
from
the drop down menu.
— Toggle
Overlaid/Combined
To
On.
A graphical result that has the current two
(noise figure and gain) traces is displayed.