Coupled Frequency - Keysight N9912A User Manual

CAT (Cable and Antenna Test) Mode
CAT Mode Settings
—

Coupled Frequency

This setting, especially useful for a Return Loss & DTF measurement, allows
both measurements to have different frequency ranges.
How to set Coupled Frequency
With a Return Loss & DTF measurement present:
— Press Meas Setup 4.
— Select the DTF measurement (Tr2) using the
— Then choose from the following:
— Coupled Freq ON
frequency range settings.
— Coupled Freq OFF
individual frequency range settings. When set to OFF:
— The Return Loss measurement frequency settings are made in the
— The DTF measurement is made using the frequencies as determined
Keysight N9912-90001 User's Guide
Maximum The highest level of Interference rejection.
- Both the Return Loss and DTF traces have the same
(default setting) - Both traces are allowed to have
usual manner. Learn how at
a new Start or Stop frequency is selected, Coupled Frequency is
automatically set to OFF.
by the DTF Frequency Mode setting. Learn more in
Measurement Settings" on page
arrows.
"Frequency Range" on page
4-19.
3-5. When
"DTF
3- 11