
8712ET/ES and 8714ET/ES Performance Checks
RF Network Analyzers Performing the Operator's Check
Service Guide 1-7
Make a Reflection (or S11 and S22) Measurement with a Cable
1. Leave the cable connected to the analyzer as shown in Figure 1-1.
NOTE The quality of the cable will affect these measurements; make sure you use a
cable with the characteristics described in “Equipment List” on page 1-3.
2.
Press .
3. For ES models, press .
For ET models, press .
4. Press .
5. Press .
6. Press .
7. Verify that the data trace falls completely below −16 dB. See Figure 1-4 for a typical
8714 result. The 8712 should look similar, but will end at 1300 MHz.
Figure 1-4
Verify Reflection (or S
11
and S
22
) Measurement
Perform the following steps on ES model analyzers only.
8. Press .
9. Press .
10.Verify again that the data trace falls completely below −16 dB. See Figure 1-4.
PRESET MEAS 1
SCALE 10
POWER 0
CAL
MEAS 1
CAL
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