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PMK-IWATSU develops, manufactures, and provides expert consultation on high-quality measurement technology solutions for the most current requirements across a wide range of application fields. From power electronics to control electronics, from low to high voltage, from low to high frequency, manual and automated. Our customers' requirements are always at the center of what we do. Together, we work out the technically and commercially optimal configuration to ensure measurements at the highest standard.

Characterizing Power Semiconductor Devices

IWATSU CS-8000 Series Curvetracer

With the CS-8000 series IGBT, MOSFET, SiC and GaN testing becomes easy to use while maintaining repeatable and reliable at the same time. IWATSUs curve tracer enables researchers, test engineers,  developers and many more to perform high-class static device characterisation of state-of-the-art power semiconductor.

FireFly - Optically Isolated High Voltage Probe

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The FireFly® FF-1500A high voltage optically isolated probe offers industry leading performance that combines the ability to accurately resolve high bandwidth, small differential signals in the presence of large common mode voltages with its ultra-high common mode rejection performance across its entire bandwidth. With >1.5GHz bandwidth, wide differential input range, unmatched common mode rejection ratio CMRR up to >180dB (1 billion to 1 rejection), and a 60kV common mode, FireFly® is the ideal measurement solution for both GaN and SiC device characterization and system level design development.

Cleverscope Galvanisch Isoliertes Oszilloskop CS548

The CS548 is an individually isolated channel high CMRR oscilloscope with four channels. We can supply the unit with fewer channels – from none to three if that is all that is required. It is designed to measure all the signals in an operating full or three phase power electronic switching bridge on both the low and high sides. Examples include gate drives to measure voltage and charge, the power switch to measure loss and parasitic stress, the output to measure power and spectrum for EMC compliance, and the control system for Gain/Phase and stability. The CS5X8 includes an isolated signal generator for stimulus, and two expansion pod connectors for isolated input and output functions. FourCS548's can be slaved to make a 16 channel oscilloscope with coherent sampling. See the selected measurements at the end of the specification section for visual examples of measurements made. Other system components compliment the CS548 Oscilloscope and are summarized.

 

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The optical isolation conecpt is shown in the picture below. All internal channels are optically isolated via the same fibers the external channels are connected to the oscilloscope:

 

 

 

The optical isoalted oscilloscope CS548 from Cleverscope offers a variety of analysis and test options. Here are some examples:

Frequency Response Analysis

Multi-Oszilloskop-Betrieb des CS548

Power Supply Gain/Phase Measurement

Long Term Streaming to PC

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