6-4 Installation and Service Guide N5251-90001
Performance Tests and Checks
System Check
PNA Series Microwave Network Analyzer System
N5251A
S
ystem Check
1. Connect a 1.0 mm short to each port. Adapters may be used as neede
d.
2. Restart the PNA application and perform a factory preset by pressing the PRESET key.
3. Set the IF bandwidth to 1 kHz by pressing Response > Avg > IF Bandwidth.
4. Display the receiver traces as shown in Figure 6-1 and Figure 6-3 by pressing Utility > System
> Service Utilities > Receiver Display.
The traces on the display should be similar to the example traces shown in Figure 6-1 and Figure 6-2.
If there are power holes or other unexpected characteristics, examine the system for loose or damaged
cables, dirty or damaged connectors, proper connector torque, etc.
Figure 6-1 Typical Receiver Display for a 2-Port System
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