GETTING STARTED

This section is organized as a sample session of the Analyzer. It describes the main techniques of measurement of reflection coefficient parameters of the DUT. SWR and reflection coefficient phase of the DUT will be analyzed.

For reflection coefficient measurement only one test port of the Analyzer is used. The instrument sends the stimulus to the input of the DUT and then receives the reflected wave. Generally in the process of this measurement the output of the DUT should be terminated with a LOAD standard. The results of these measurements can be represented in various formats.

Typical circuit of reflection coefficient measurement is shown in Figure 15.

Figure 15 Reflection measurement circuit

To measure SWR and reflection coefficient phases of the DUT, in the given example you should go through the following steps:

• Prepare the Analyzer for reflection measurement;
• Set stimulus parameters (frequency range, number of sweep points);
• Set IF bandwidth;
• Set the number of traces to 2, assign measured parameters and display format to the traces;
• Set the scale of the traces;
• Perform calibration of the Analyzer for reflection coefficient measurement;
• Analyze SWR and reflection coefficient phase using markers.