User`s guide

2-10 Chapter2

Operation

Example: Duplexer Setup

The following example shows how to set up the analyzer to measure from

Port 1 to Port 3 on channels 1 and 3, and how to measure from Port 3 to

Port 2 on channels 2 and 4. In this example, steps 4 and 7 indicate where

to perform a full 2-port calibration. Refer to the standard documentation

for details outlining how to perform a full 2-port calibration. This

example assumes the analyzer has been conﬁgured so that the default

state at instrument power up or preset is in 3 PORT mode.

1. Press Preset.

2. Turn the coupled channel off by pressing Sweep Setup and toggling

COUPLED CH from on to OFF.

3. Press Chan 1.

4. Perform a full 2-port calibration for Port 1 and Port 3. The

S-parameters displayed during the calibration indicate the ports

selected. After the calibration is complete, save the calibration by

pressing Save/Recall, Save State.

5. Press Chan 2, Meas. Toggle SELECT PORTS [1-3] to SELECT PORTS [2-3]

by pressing the SELECT PORTS key.

6. Perform a full 2-port calibration for Port 2 and Port 3. The

S-parameters displayed during the calibration indicate the ports

selected. After the calibration is complete, save the calibration by

pressing Save/Recall, Save State.

7. Turn on the quad channel by pressing Display, DUAL | QUAD SETUP,

4 PARM DISPLAY. Select SETUP A.