Keysight Technologies C Series User Manual page 695

Noise Figure Mode (Option 356)
How to Define a Noise Figure Measurement
Figure 29-12 DUT Measurement Setup – Type [Downconverter] Screen
DUT – Measurement Setup –
DUT – Measurement Setup –
Calibration
Keysight N9915-90020 User's Guide
Type [Downconverter]
with External Amplifier
Type [Downconverter]
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)
User
(LNA) and
Used for setting up DUT
parameters with an
external preamp
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