Chapter 2 53
Test Descriptions
Noise Source Supply Accuracy
Test Setup
Figure 2-13 Equipment setup for Noise Source Supply Accuracy test
Test Procedure
NOTE Throughout the Noise Source Supply Accuracy Test Procedure the term
‘the Test Record’ refers to the Noise Source Supply Accuracy Test Record
detailed in the relevant Appendix for the model number being tested.
Step 1. Connect the equipment as shown in Figure 2-13.
Step 2. Select the DC range on the digital multimeter (press
DCV in the
FUNCTION/RANGE menu).
Step 3. Ensure that the preset is set to factory settings (press the
System key,
then
More, Power On (Preset) and Preset (Factory)).
Step 4. On the NFA press the
Preset key and wait for the routine to finish.
Step 5. Set sweep to single (press
Sweep, Sweep Mode: single).
Step 6. Set the noise source off (press the
System key, then More, More and
Service. Press Enter Password then enter the service password -2010.
Press
Enter then Service and Noise Source Off).
Step 7. Enter the digital multimeter reading into the Test Record as the Noise
Source Supply Off measurement.
DIGITAL
MULTIMETER
NOISE
FIGURE
ANALYZER
BNC Cable
+28V Noise
Source Supply
Adapter on
(2 Wire) HI/LO
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