Development and Testing of an active High Voltage Saturation Probe for Characterization of ultra-High Voltage Silicon Carbide Semiconductor Devices

Argenis Bilbao, James Schrock, William Ray, Mitchell Kelley, Shad Holt, Michael Giesselmann, Stephen Bayne

Research output: Contribution to journalArticle

Abstract

Obtaining accurate collector to emitter voltage measurements when characterizing high voltage silicon carbide (SiC) devices requires the ability to measure voltages in the range of zero to 10 V while the device is in the on-state and the ability to withstand ultra-high voltages while the device is in the off-state. This paper presents a specialized voltage probe capable of accurately measuring the aforementioned range. A comparison is made between the proposed probe and other commonly used high voltage probe alternatives in relation to high voltage SiC device testing. Testing of the probe was performed to ensure linearity, high accuracy, and high bandwidth.
Original languageEnglish
Pages (from-to)085104
JournalReview of Scientific Instruments
StatePublished - Aug 1 2015

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