Keysight A Series User Manual page 665

Noise Figure Mode (Option 356 – CPU2 Only)
How to Define a Noise Figure Measurement
Figure 30-1 DUT – Measurement Setup – Type [Amplifier] Screen
DUT – Measurement Setup – Type [Amplifier]
DUT – Measurement Setup – Type [Amplifier] with External Amplifier (LNA) and User
Calibration
Keysight N9927-90020 User's Guide
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)
665