Keysight FieldFox B Series User Manual page 684

Noise Figure Mode (Option 356)
How to Define a Noise Figure Measurement
Figure 29-11 DUT – Measurement Setup – Type [Amplifier] Screen
DUT – Measurement Setup – Type [Amplifier]
DUT – Measurement Setup – Type [Amplifier] with External Amplifier (LNA) and User
Calibration
684
Used for setting up DUT
parameters without an
external preamplifier
(LNA)
– Type [Amplifier]
––DUT displays does not
display LO if not frequency
converting
––Displays preamp (LNA), if
User Cal is available. See
next image this figure.
Used for setting up DUT
parameters with an
external preamplifier
(LNA)
Keysight N9938-90006 User's Guide