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Keithley combines Curve Tracer's features with parameter analyser

Posted: 24 Oct 2012 ?? ?Print Version ?Bookmark and Share

Keywords:Curve Tracer? silicon carbide? gallium nitride? parameter analyser? TSP-Link?

Keithley Instruments Inc. has unveiled seven instrumentation, software and test fixture configurations for parametric curve tracing applications for characterizing high power devices at up to 3kV and 100A. According to the company, the solutions are optimised to provide the industry's most cost-effective solution for characterizing the growing number of high power semiconductor devices including those based on silicon carbide (SiC) and gallium nitride (GaN) technology.

The systems offer the power required for the majority of high power device design and development applications and are optimised to address the characterisation and test needs of research, reliability, failure analysis and power device applications engineers, power device designers, incoming inspection technicians and many others.

In sharp contrast with solutions that require all instrumentation to be housed in a chassis, all seven Keithley configurations offer the flexibility to add new measurement channels economically as users' needs evolve, with no need to return the system to the factory to install new hardware. Six different System SourceMeter instrument models can be mixed and matched to create the optimum combination of voltage, current and power for the user's specific needs. Keithley's TSP-Link virtual backplane technology makes it easy to incorporate any number of source-measure channels, all of which are fully and automatically synchronised with other SourceMeter instruments in the system, noted the company.

All seven configurations include the latest version of Keithley's ACS Basic Edition software that supports Keithley's newest SMUs and takes maximum advantage of the Series 2600B's TSP-Link connection trigger model, which allows for 500ns trigger synchronisation between instruments. This tighter synchronisation capability maximises the high speed pulse mode capabilities of the Model 2651A and Model 2657A High Power System SourceMeter instruments.

The Windows-compatible ACS Basic Edition package provides control and analysis tools well-suited for high power device characterisation, including complete parametric test libraries for MOSFETs, BJTs, triacs, diodes, IGBTs and other device types. The software's 'trace' mode, which uses an on-screen slider control that works much like the power control knob on a traditional analogue curve tracer, allows users to control the level of voltage and current levels sourced interactively and to see how the power device responds in real time. The software's 'parametric' mode provides a 'fill-in-the-blanks' GUI to configure a test precisely and a comprehensive set of tools for precise parameter extraction. All seven bundles also include all cabling and adapters required for system assembly, as well as a number of sample power devices useful for training and demonstration purposes.

Sales of the parametric curve tracer configurations will begin immediately and units will ship within four weeks ARO. U.S. list prices of the configurations range from $26,000 to $90,000, depending on the specific configuration chosen.

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