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6. Set the stop frequency dependant on the NFA's upper frequency
range.
For the N8972A set the stop frequency to 1.5 GHz (press
)
GHz
For the N8973A set the stop frequency to 3.0 GHz (press
).
GHz
For the N8974A set the stop frequency to 6.7 GHz (press
).
GHz
For the N8975A set the stop frequency to 26.5 GHz (press
,
).
5
GHz
7. Set the number of measured points to 401 (press the
key, then
Step 6. Models N8974A and N8975A only: run the Yig Tuned Filter alignment
by pressing
routine to complete.
Step 7. Restart the NFA sweep by pressing the
Step 8. Once the single sweep is complete set the NFA to autorange (press the
key and the
Scale
Step 9. Set the specification limit lines as follows:
1. Press the
2. Set the first frequency to 10 MHz and the limit to 4.425dB, connected
to
by default (press
Yes
3. Dependant on the NFA being tested, repeat 2. for the remaining
frequencies and limits as detailed in Figure 2-22 thru Figure 2-25.
Chapter 2
,
,
,
,
,
More
Points
4
0
1
and
System, Alignment
menu item.
Autoscale
key, then
Limit Lines
,
,
1
0
MHz
Instrument Noise Figure
).
Enter
then wait for the alignment
Align YTF
key.
Restart
,
Limit Line 1⇑
Type Upper
, [
],
,
—>|
4, ., 4, 2, 5
Test Descriptions
,
,
,
,
Stop
1
.
5
,
,
,
,
Stop
3
.
0
,
,
,
,
Stop
6
.
7
,
,
,
Stop
2
6,.
Frequency/Points
and
.
Editor
or
).
Enter
X1
79
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