558 Keysight N9927-90001 User’s Guide
Noise Figure Mode (Option 356 – CPU2 Only)
How to Define a Noise Figure Measurement
— T Cold Default When making measurements at different
ambient temperatures, you can set the T
cold
value in
Kelvin (K) manually (User). When set to Default, the T
cold
value is set to the 296.5 K (Default = Default).
— Back
to return to previous menu.
— DUT
or
Opens a menu of softkeys to define your DUT Type (Amplifier,
Downconverter, Upconverter, or Multi-Stage Converter), frequency
context, and loss compensation. Refer to “How to Use DUT
Measurement Setups” on page 562.
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