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This literature was published years prior to the establishment of Agilent Technologies as a company independent from Hewlett-Packard and describes products or services now available through Agilent. It may also refer to products/services no longer supported by Agilent. We regret any inconvenience caused by obsolete information. For the latest information on HEWLETT Agilent's test and measurement products go to: PACKARD www.agilent.com find products Or in the US, call Agilent Technologies at 1-800-452-4844 (8am-8pm EST) DC Characterization of Semiconductor Power Devices Product Note 4142B-1 - Practical Applications Using the HP4142B Modular DC Source/Monitor Table of Contents 1. Introduction ... 1 2. Application Examples ... 2 2.1 Automatic Extraction of Parameters.. ... 2 2.1.1. Automatic Measurements with a Module Selector.. ... 2 2.1.2 Enhancing Automatic Measurements by External Relay Control ... 4 2.2 Extending the Measurement Range ... 6 2.2.1. 2000 V Measurement ... 6 2.2.2. lOA/20V Measurement.. ... 8 2.2.3. 20A/ 1OV Measurement ... 10 2.2.4. High Power Measurement (250 mA x 100 V, 125 mA x 200 V) ... .12 Appendix Subprograms used in 2.1.1 . . . .. . . . . . . . . . . . .. . . . . . . . . .. . . . . . . . . . . . . . . .. . . . . . . . . .. . . . . . . . . . . . .. . . . . . . . . 14 1 1. Introduction The HP 4142B Modular DC Model number / Acronym / 1-V range Source Monitor is a high speed, HP 4 I420A highly accurate, computer- Source Monitor Unit