User`s guide

2-16 Chapter2
Operation
Operation
The analyzer can be controlled in a number of different ways. The
following information is provided as a guide on how to control the
analyzer:
through the front panel menus
through the TTL I/O sequence menu
through test sequencing
through GPIB commands
The examples listed should be used only as possible ways of setting up
and controlling the analyzer.
Test Set I/O
The test set I/O may be set using the following keystrokes:
1. Press Seq, TTL I/O, TTL OUT, TESTSET I/O FWD. Enter the value setting.
2. Press TESTSET I/O REV. Enter the value setting. Refer to Table 2-4 on
page 2-15 for value settings.
3. Press Chan 1 to update the display S-parameters. The Chan 1 key can
be found in the Active Channel key area on the front panel.
Test Set I/O Example
The following example measures a duplexer. The following keystrokes
will set up the analyzer to measure from Port 1 to Port 3 on channel 1,
and from Port 3 to Port 2 on channel 2. In this example, steps 4 and 8
indicate where to perform a calibration:
1. Press System, CONFIGURE MENU, OPTION HXX CONFIG, 3 PORT MODE,
toggle from on to OFF.
2. Turn the coupled channel off by pressing Menu, COUPLED CH OFF.
3. Press Chan 1.
4. Press Seq, TTL I/O, TTL OUT, TESTSET I/O FWD, 7, x1, TESTSET I/O REV, 7,
x1
.
5. Press Meas, Trans: FWD: REV S21 (B/R).
6. Perform a two-port calibration on channel 1 for Port 1 and Port 3.
7. Press Chan 2.