User`s guide

27
To Test Bandwidth
Initial Setup
1
Turn on the 8720ES VNA and let warm up for 20 minutes.
2 Press the green "Preset" key on the 8720ES VNA.
3 Use the 8720ES VNA's default power setting of 0 dBm. You can locate this
feature by pressing the "Power" key on the front panel.
4 Set the 8720ES VNA's averaging to 4. You can find this selection menu by
pressing the "AVG" key. Then select the "Averaging Factor" screen key to
adjust the averaging.
5 Press the "Sweep Setup" key on the 8720ES VNA. Then press the "sweep
type menu" screen key. Select the "log freq" screen key.
6 Connect the probe under test to the Auto Probe Adapter and power the probe
using the 1143A power supply. Install the outside thread adapter to the Auto
Probe Adapter.