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New SMUs to optimize battery life in IoT and semiconductors

www.embedded.com, Feb. 16, 2021 – 

Rohde & Schwarz has announced its entry into the source measurement unit (SMU) market, with two new instruments to analyze and optimize battery lifetime testing for internet of things (IoT) applications and for semiconductor component testing.

The new R&S NGU series of source measurement units (SMUs) launch with two models, R&S NGU201 and R&S NGU401. These units mark Rohde & Schwarz's entry into a new market, offering products that enable simultaneous current and voltage generation and measurement. This is a class of instruments that can simultaneously deliver voltage or current in a well-controlled mode and measure the correspondence of voltage and current values on the device under test. The two-quadrant R&S NGU201 targets battery testing of wireless devices, while the four-quadrant R&S NGU401 can switch to negative voltages and supports a much wider voltage range, for semiconductor testing.

Philipp Weigell, director of product management and planning for power products, meters, sources, and audio analyzers at Rohde & Schwarz, said the true definition of a source measurement unit is one that provides very precise sourcing, loading and measuring functions. The higher-end NGU401 matches the strict definition of an SMU, in that it provides four quadrant source or sink operation with arbitrary polarity; this makes it ideally suited to testing and characterizing semiconductors. The other two key sectors addressed by the new SMUs are precision electronics, as well as research and education.

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