Test & Measurement


Source/measure units for mobile device testing

25 February 2015 Test & Measurement

Keysight Technologies announced the addition of two source/measure units (SMUs) to its N6700 Series modular power systems – the N6785A two-quadrant SMU for battery drain analysis and the N6786A two-quadrant SMU for functional test. Both SMUs provide power output up to 80 W.

The devices expand the popular N6780A Series by offering up to four times more power than the previous models. They offer exceptional sourcing, measurement and analysis to help engineers deliver the best possible battery life in their devices. They allow engineers to test devices that require current up to 8 A, such as tablets, large smartphones, police/military handheld radios and components of these devices.

The SMUs eliminate the challenges of measuring dynamic currents with a feature called seamless measurement ranging. This enables engineers to precisely measure dynamic currents without any glitches or disruptions to the measurement. As the current drawn by the device under test (DUT) changes, the SMU automatically detects the change and switches to the current measurement range that will return the most precise measurement.

When combined with the SMU’s built-in 18-bit digitiser, seamless measurement ranging enables unprecedented effective vertical resolution of ~28 bits. This capability lets users visualise current drain from nA to A in one pass. All data needed is presented in a single picture, which helps users unlock insights to deliver exceptional battery life.



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