4-18 Service Guide
Start Troubleshooting Here 8719ET/20ET/22ET
Source Check 8719ES/20ES/22ES
RF Network Analyzers
Check Source Output Power
1. Zero and calibrate the power meter. Set the calibration factor to the 1 GHz value. (See
the power meter manual for instructions on setting the calibration factor.)
2. Connect the equipment as shown in Figure 4-5.
Figure 4-5 Equipment Setup for Source Power Check
3. Press on the analyzer to initialize the
instrument.
Checking the Source Output Power for the 8719ET/ES and 8720ET/ES
1. To check power at 1 GHz, for the 8719ET/ES and 8720ET/ES, press the following:
( on ET models and the ES Option 007 models)
The power should be within ±2 dBm of the set value.
8719ET/ES Frequency Point Checks
2. To check power at 2, 5, 10, and 13.5 GHz, press and set the power meter to the
corresponding calibration factor for that frequency. Repeat until the 13.5 GHz frequency
is completed.
The power should be within ±2 dBm of the set value for each frequency point.
8720ET/ES Frequency Point Checks
3. To check power at 2, 5, 10, and 20 GHz, press and set the power meter to the
corresponding calibration factor for that frequency. Repeat until the 20.0 GHz frequency
is completed.
Preset
Preset
Power 0 5 x1 Return
1 G/n
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