Keysight NFA Series User Manual

Chapter 2 41
Test Descriptions
Frequency Accuracy
Step 3. Set the NFA as follows:
1. On the NFA ensure that the preset is set to the factory settings (press
the
System key and More, Power On/Preset, Power On (Preset) and
Preset (Factory)).
2. Press the
Preset key and wait for the preset routine to complete.
3. Set the measured results to P
hot
(press the Result key and Phot).
4. Select a single graphical display of P
hot
, press the key.
5. Set sweep to single (press the
Sweep key and Sweep Mode: single).
6. Set the frequency mode to sweep (press the Frequency/Points key and
Freq Mode, Sweep).
7.
Se
t the number of measured points to 401 (press the Frequency/Points
key and More, Points, 4, 0, 1, Enter).
8. Set the measured units to linear (press the
Scale key and Units Linear).
9. Fix the IF Gain (press the System key, More, More, and Service. Enter
the service password
-, 2, 0,1 ,0 press Enter, Service and then press
IF Test and Fixed IF Gain (On). Set the IF Gain Value to 16 and press
IF Gain Value, 1, 6, Enter).
10.For models N8974A and N8975A, run the YIG Tuned Filter
alignment (press the
System key, Alignment, and then press Align YTF
and wait for the alignment routine to complete).
Step 4. Set the Sweeper frequency to 14 MHz, the first frequency listed in the
Test Record (press the
CW key and 1, 4, MHz).
Step 5. Set the NFA frequency to 14 MHz, the first frequency as listed in the
Test Record (press the
Frequency/Points key and Center Freq, 1, 4, MHz).
Step 6. Set the NFA frequency span to 8 MHz, the first frequency span as listed
in the Test Record (press the
Frequency/Points key and Freq Span, 8, MHz).
Step 7. Set the NFA bandwidth to 4 MHz, the first bandwidth as listed in the
Test Record (press the
Averaging/Bandwidth key and Bandwidth, 4 MHz).
Step 8. Restart the NFA measurement sweep (press the
Restart key).

Keysight NFA Series Specifications

General

Brand	Keysight
Model	NFA Series
Category	Measuring Instruments
Language	English