User`s guide

1-78 Chapter1
System Verification and Performance Tests
Performance Tests
Crosstalk to Port 1 from 300 kHz to 3 GHz
1. Press Meas, Trans: FWD S12 (A/R).
2. Press Sweep Setup, TRIGGER MENU, SINGLE.
3. Wait until the trace has settled.
4. Press Marker Fctn, MARKER SEARCH, SEARCH:MAX.
5. Write the marker value that appears on the analyzer display on the
performance test record.
6. If your analyzer does not have Option 006, this completes the “Port
Crosstalk (Port 1 and Port 2)” section. If you have Option 006 in your
analyzer, continue with the following sections.
Crosstalk to Port 1 from 3 GHz to 6 GHz
1. Press Start, 3, G/n, Stop, 6, G/n.
2. Press Sweep Setup, TRIGGER MENU, SINGLE.
3. Wait until the trace has settled.
4. Press Marker Fctn, MARKER SEARCH, SEARCH:MAX.
5. Write the marker value that appears on the analyzer’s display on the
performance test record.
Crosstalk to Port 2 from 3 GHz to 6 GHz
1. Press Meas, Trans: FWD S21 (A/R).
2. Press Sweep Setup, TRIGGER MENU, SINGLE.
3. Wait until the trace has settled.
4. Press Marker Fctn, MARKER SEARCH, SEARCH:MAX.
5. Write the marker value that appears on the analyzer’s display on the
performance test record.
In Case of Difficulty
1. Remove the instrument top cover. Using an 8 in-lb torque wrench,
verify that all semirigid cables connected to the sampler and mixer
assemblies are tight. In addition, tighten any loose screws on the
sampler/mixer assemblies (A4/5/6) and the pulse generator assembly
(A7).