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Agilent E-Series Power Sensor Functional Test
Agilent E4418B/E4419B Service Guide 2-21
2. Press then .
3. On the power meter press , . Wait approximately
10 seconds for the wait symbol to disappear. Verify that the
display reads 0 ±50 pW.
4. Press to calibrate the power meter.
5. Turn the power reference on by pressing
■ , on the Agilent E4418B.
■ , , , on the
Agilent E4419B.
6. Connect the 30 dB attenuator as shown in Figure 2-6.
Figure 2-6: Sensor Functional Test Setup with Attenuator
7. Press , , and select to “LOWER”.
This switches to the power sensor’s low range.
8. Verify that the display reads -30 dBm ±1 dB. Record the reading.
9. Press and set to “UPPER”. This switches to the power
sensor’s upper range.
10. Verify that the display reads -30 dBm ±1 dB. Record the reading.
11. Press and set to “LOWER”.
12. Disconnect the 30 dB attenuator and reconnect as shown in
Figure 2-5.
13. Verify that an overload error is displayed on the status line at the
top of the power meter’s display.
14. Press and set to “UPPER”.
15. Verify that the display reads 0 dBm ±1 dB. Record the reading.
Preset
Local
Confirm
Zero
Cal
Zero
Cal
Zero
Cal
Power Ref Off On
Zero
Cal
Cal
More
Power Ref Off On
Power Meter
Agilent E-Series
Power Sensor
Agilent 11708A
30 dB ATTENUATOR
CHANNEL A
HP 11730A
System
Inputs
Input Settings Range
Range
Range
Range