Keysight N9913A - Page 412

412 Keysight N9927-90001 User’s Guide
Noise Figure Mode (Option 356 – CPU2 Only)
How to Define a Noise Figure Measurement
Figure 23-9 DUT Measurement Setup – Type [Downconverter] Screen
Used for setting up DUT
parameters without an
external preamp
– Type [Downconverter]
––Performs internal
frequency downconversion
(converts RF down to IF)
–Sideband:
––LSB: Lower Sideband
(available for downconverter
and upconverter)
––USB: Upper Sideband
(available for downconverter
and upconverter)
––DSB: Double Sideband
(available for
downconverter; averages
LSB and USB ENR values)
DUT – Measurement Setup – Type [Downconverter]
Used for setting up DUT
parameters with an
external preamp
DUT – Measurement Setup –
Type [Downconverter] with External Amplifier (LNA) and User
Calibration