Agilent Technologies E4418B Service Manual page 57

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