Agilent Technologies 85032B/E 50 Dokumentacja Strona 16

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Performance Checks 8712ET/ES and 8714ET/ES
Performing the Operator's Check RF Network Analyzers
1-8 Service Guide
Make a Reflection (or S11 and S22) Measurement with a Load
1. Disconnect the cable and connect a known good load to the RF OUT/PORT 1 test port as
shown in Figure 1-5.
Figure 1-5 Connect the Load
2. For ES models, press .
3.
Verify that the data trace falls below 30 dB. If the data trace is off the screen, press
and the key until the trace moves up onto the screen.
Perform the remaining steps on ES model analyzers only.
4. Disconnect the load from PORT 1 and connect it to PORT 2 as shown in Figure 1-6.
Figure 1-6 Connect the Load to Port 2 (ES Models only)
5. Press .
6. Verify that the data trace falls below 30 dB. If the data trace is off the screen, press
and the key until the trace moves up onto the screen.
MEAS 1
SCALE
Reference Level
MEAS 1
SCALE
Reference Level
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