Agilent Technologies E4416A Service Manual page 51

2 Performance Tests
6 Set the range calibrator as follows:
• RANGE: 3 μW
• POLARITY: NORMAL
• FUNCTION: STANDBY
• LINE: ON
When switching the range calibrator to STANDBY, allow enough time for the range
N O TE
calibrator to settle to its zero value before attempting to zero the power meter. This
settling would appear on the power meter display as downward drift. When the drift
has reached minimum, (typically less than 60 seconds), the range calibrator is settled.
7 Set the filter length:
• Press
• Highlight the Filter parameter using the up/down arrow keys.
• Scroll through the Filter values by pressing
MAN.
• Highlight the filter length using the forward arrow key. Press
The Filter Length pop- up window is displayed. Set the filter length to
512.
• Press
8 Zero the power meter:
Press
wait symbol to disappear.
9 Set the range calibrator's FUNCTION switch to CALIBRATE.
10 Set the range calibrator's RANGE switch to 1 mW.
11 Calibrate the power meter:
Press
12 Set the range calibrator's RANGE switch to the positions shown in
Table 2-
the limits shown.
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Channel .
.
Enter
Zero
, Zero . Wait approximately 10 seconds for the
Cal
Zero
,
Cal
Cal
3. For each setting, verify that the power meter's reading is within
Change . Select a value of
E4416A/E4417A Power Meters Service Guide
Change .