Model 4200A-SCS Parameter Analyzer Reference Manual
Section 5: Pulse measure and pulse generator units
4200A-901-01 Rev. C / February 2017
5-53
Figure 188: Vd-Id family of curves, LLEC disabled (thresholds_voltage = 12 V_power = 3 W)
For user test modules (UTMs), although the process described above applies, there are a few
differences. Although ITMs and UTMs can perform similar tests, UTMs are based on user modules.
UTMs have a much wider range of test behaviors and possibilities than ITMs. This document
provides a framework for troubleshooting UTMs (individual UTM issues are not covered).
In addition to the above procedure based on unexpected results, UTM troubleshooting also involves
error messages or codes. Typically, the user modules are written for a specific test or requirement
and have minimal error checking. This means that parameter values or combinations of parameter
settings may cause an error, which is the primary feedback about the test status.
This error may be generated from within the user module or by an LPT command. The next figure
shows the user module description for
PMU_IV_sweep_Example
. This description is part of the user
module and may contain a description of the test, hardware requirements, individual parameter
descriptions, and error code listings. The error code listings are after the parameter descriptions,
typically at the bottom of the description content (you will need to scroll down the Help pane).
Figure 189: PMU IV sweep Help pane description
