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