686 Keysight N9915-90020 User’s Guide
Noise Figure Mode (Option 356)
How to Define a Noise Figure Measurement
and this softkey is pressed, the data from the
noise source is loaded into the ENR table
overwriting any previous ENR table data.
——
Source Output Norm OFF ON Controls the
automatic noise source control (Default ==
Normal). This softkey is inactive/grayed out when
a Noise Source is not detected.
When set to Normal, the noise source ON/OFF is
automatically controlled by the noise source
application.
When set to ON or OFF Re-Run Receiver Cal and
Run User Cal softkeys are inactive/grayed out.
No valid results is provided by the noise source
application.
——
ENR Table OFF ON Enables/disables the ENR
Table data for use in the current measurement
(Default == OFF).
If the ENR Table is set to ON, when Auto Load
ENR is set to ON and a noise source is connected
to the analyzer, the ENR table data is
overwritten.
If the Auto Load ENR is set to OFF, no data is
loaded into the ENR table.
——
Refresh T Cold] When the noise source is set to
Smart (Auto) and a U1832/U1833A/B/C/D noise
source is detected the T Cold value can be read
from the noise source. This softkey is
inactive/grayed out when a compatible Noise
Source is not detected.
—
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 690.
—
Integration or
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