Table of Contents
Advertisement
Step 3. Set the NFA as follows:
1. On the NFA ensure that the preset is set to the factory settings (press the
key and
More
2. Press the
Preset
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
,
Mode
Sweep
7. Set the number of measured points to 201 (press the
,
More
Points
8. Set the measured units to linear (press the
9. Fix the IF Gain (press the
service password
Fixed IF Gain (On)
Enter).
10. For models N8974A and N8975A, run the YIG Tuned Filter alignment (press
the
System
alignment routine to complete).
Step 4. Set the Sweeper frequency to 14 MHz, the first frequency listed in the Test Record
(press the
CW
Step 5. Set the NFA frequency to 14 MHz, the first frequency as listed in the Test Record
(press the
Frequency/Points
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
Averaging/Bandwidth
Step 8. Restart the NFA measurement sweep (press the
Chapter 2
,
,
Power On/Preset
key and wait for the preset routine to complete.
(press the
hot
Sweep
).
,
,
,
,
).
2
0
1
Enter
System
-, 2, 0,1 ,0
press
Enter
. Set the
IF Gain Value
key,
, and then press
Alignment
key and
,
,
).
1
4
MHz
key and
key and
Frequency/Points
key and
Frequency Accuracy
and
Power On (Preset)
key and
Result
, press the
hot
key and
Sweep Mode: single
Frequency/Points
Frequency/Points
key and
Scale
key,
,
, and
More
More
Service
,
Service
and then press
to 16 and press
and wait for the
Align YTF
Center Freq
,
1
,
4
,
MHz
,
,
Freq Span
8
MHz
Bandwidth
,
4 MHz
key).
Restart
Test Descriptions
System
).
Preset (Factory)
).
Phot
key.
).
key and
Freq
key and
.
Units Linear)
. Enter the
IF Test
and
IF Gain Value
,
1
,
6
,
).
).
).
41
Advertisement
Table of Contents
