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NOTE
Step 1. Connect the test equipment as shown in Figure 2-20 on page 76.
Step 2. Ensure that the preset is set to factory settings (press the
Step 3. Press the
Step 4. Load the noise source ENR calibration file from diskette (A:) or from the NFA's
Step 5. Configure the NFA as follows:
Test Procedure
Throughout the Instrument Noise Figure Test Procedure the term 'the Test Record'
refers to the Instrument Noise Figure Test Record detailed in the relevant Appendix
for the model number being tested
,
Power On/Preset
Power On (Preset)
key on the NFA and wait for the preset routine to finish.
Preset
internal memory (C:). Alternatively, create an ENR file from the data supplied on
the noise source label (refer to the Noise Figure Analyzers NFA Series User's
Guide for more details). Do not calibrate the source. The NFA should display
in the active window.
Uncorrected
1. Set the measured result to Noise Figure (press the
).
Noise Figure
2. Select a single graphical display of Noise Figure (press the
3. Set sweep to single (press the
4. Set the frequency mode to sweep (press the
and
).
Mode
Sweep
5. Set the start frequency (press the
Chapter 2
Instrument Noise Figure
System
and
Preset (Factory)
Result
key, then
Sweep
Sweep Mode: single
Frequency/Points
key, then
Frequency/Points
Test Descriptions
key, then
,
More
).
key, then
key).
).
key, then
Freq
,
,
,
).
Start
1
0
MHz
77
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