User`s guide

30
To Test Bandwidth
6
Perform Calibration for the port one side of the Reference plane.
• Press the "reflection" screen key
• Connect open end of 85052D to the non-pincher side of the PV/DS test board.
• Select the "open" screen key under the "Forward" group.
• The 8720ES VAN will beep when done.
• Connect short end of 85052D to the non-pincher side of the PV/DS test board.
• Select "short" screen key under the "Forward" group.
• The 8720ES VAN will beep when done.
• Connect load end of 85052D to the non-pincher side of the PV/DS test board.
• Select the "loads" screen key under the "Forward" group.
• Press "broadband" screen key selection.
• The 8720ES VAN will beep when done.
• Press the "done loads" screen key.
• You have just calibrated one side of the reference plane.