Keysight Technologies C Series - Page 728

726 Keysight N9915-90020 User’s Guide
Noise Figure Mode (Option 356)
How to use Auto-Integration
— ENR Table Edit/Save/Recall
—
Edit ENR Table
— Enter the serial number and model number of your noise source. If
desired, enter other information (e.g., Options, Cal Date, etcetera).
Enter a value using the numeric keypad, the arrows, or the
rotary knob.
—
Done
to finish table and return to previous menu.
3. Save the ENR table:
If you are not familiar with saving and recalling files, refer to
Chapter 33,
“File Management.”
and then to “Saving and Recalling Files” on page 818.
Choose:
—
Save ENR Table
Enter the filename of your noise source.
Enter a value using the numeric keypad, the arrows, or the
rotary knob.
—
Done to finish table and return to previous menu.
4. Enter the noise figure measurement’s frequency, number of points, and
span settings:
— Freq/Dist
> Center > 50 GHz
— Sweep 3
> More > 401 points
— BW 2 > Span > 0 Hz
5. Define the noise figure’s integration settings:
Meas Setup 4
> Integration
Then choose
— Mode Auto (default)
—
Jitter Goal > 0.10 dB
—
Max. Time/Pt > 300s
—
Jitter Warning ON (default)
—
Back to return to previous menu
Press
Uncertainty then
— Uncert. Bars ON
6. Leave the setup to run for desired time.