Programming
1399
Measuring a Multi-port Device
• Overview
• Overview of the Program
• Description of the Program
• Sample Program
Other topics about Application Programs
Overview
The apl_sys.vba shows a sample program (VBA program) that
demonstrates how to measure a (3-terminal) duplexer. This VBA program
consists of the following modules:
• For the E5071C with 2-port S-parameter test set, a runtime
error occurs because there are parameters that cannot be
measured.
Object
name
Module type Description
frmDupRes User form Displays the analysis result
mdlDupMeas
Standard
module
Performs duplexer
measurement
Overview of the Program
The program performs full 3-port calibration using the 85032F calibration
kit, measures a (3-terminal) duplexer, and calculates and displays the limit
test result, insertion loss, and band-pass ripple. The following figure shows
the simple flow of the (3-terminal) duplexer measurement program:
Flow of duplexer measurement program
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