Keysight NFA Series Performance Verification And Calibration Manual page 78

Step 3. Set the Switch Driver as follows:
Table 2-13
Step 4. Set the NFA as follows:
Test Descriptions
Noise Figure Range and Accuracy
1. Ensure the
LOCAL
2. Set the attenuator to 0dB. The settings are as follows:
Switch Driver Attenuator Settings (1 = LED On, 0 = LED Off)
1dB Step Attenuator
0
1
2
3
4
5
6
7
8
9
10
11
1. Ensure that the preset is set to factory settings (press the
then ,
More Power On (Preset)
2. Press the key and wait for the routine to finish.
Preset
3. Set the measured result to Phot (press the
4. Set sweep to single (press the
5. Set the frequency mode to fixed (press the
, ).
Freq Mode Fixed
58
LED is on.
Attenuator X
1 2
0 0
1 0
0 1
1 1
0 0
1 0
0 1
1 1
0 0
1 0
0 1
1 1
,
Power On Preset
key and
Sweep
3 4
0 0
0 0
0 0
0 0
1 0
1 0
1 0
1 0
1 1
1 1
1 1
1 1
System
and
Preset (Factory)
key and ).
Result Phot
Sweep Mode (Single)
key and
Frequency/Points
Chapter 2
key,
).
).