Chapter 15 521
Measurement Examples
Evaluating Transmission Characteristics of a Front End Module
15. Measurement Examples
Evaluating Transmission Characteristics of a Front End
Module
This example shows how to measure the transmission characteristics of a 6-port front end
module, as shown in
Figure 15-35, by using the E5070B/E5071B and the E5091A.
Figure 15-35 Front end module
Overview of evaluation procedure
In this example, a DUT is evaluated according to the procedure shown in Table 15-9.
Table 15-9 Evaluation Procedure for 6-port Front End Module
Procedure Description
“1. Determining Measurement Conditions” on
page 522
Determine the measurement conditions such as the
sweep conditions and measurement ports.
“2. Setting Channel Window Allocation” on
page 522
Set the allocation of the channel windows on the screen.
“3. Setting the Test Ports” on page 522 Determine the test port assignment for each channel.
“4. Setting Control Line” on page 523 Set the E5091A's control line.
“5. Setting Sweep Conditions” on page 523 Set the sweep range and the number of points.
“6. Setting Balance Conversion Topology” on
page 523
Set the balance port and unbalance port assignment.
“7. Selecting Measurement Parameter” on
page 524
Set the measurement parameter.
“8. Executing Calibration” on page 524 Perform calibration using 4-port ECal.
“9. Connecting DUT” on page 526 Connect the DUT.
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