Power Electronics
Image courtesy of Keysight Technologies

(Image courtesy of Keysight Technologies).

Advanced Device Characterization, Low-Power Device Evaluation

Keysight Technologies has introduced an analyzer enabling a minimum of 100 pA level dynamic current measurements with a maximum of 200 MHz bandwidth, 1 GSa/s sampling rate and 14- or 16-bit wide dynamic range. The Keysight CX3300 Series Device Current Waveform Analyzer is a new category of instrument and is ideally suited for researchers struggling with high-speed transient current measurements during advanced device characterization and engineers working to reduce power/current consumption in low-power devices.

Characterizing advanced devices and evaluating low-power devices are challenging tasks; ones that require engineers to measure high-speed (over 1 MHz) and low-level dynamic current (below 1 µA). However, the existing methodology for this measurement is plagued by many issues - a large noise, voltage drop, limited dynamic range, bandwidth - and as a result, low-level dynamic current often goes undetected and unmeasured.

Keysight's new CX3300 analyzer overcomes this limitation by enabling the simultaneous measurement of wideband and low-level current waveforms. By providing a 14-bit or 16-bit wide dynamic measurement range, a single instrument can meet a wide range of measurement requirements without using multiple instruments. A graphical user interface on a WXGA 14.1" multi-touch display, and advanced measurement and analysis software, make previously difficult low-level current waveform measurements and analyses dramatically efficient and easier to make.

Using the CX3300 analyzer, researchers can now measure transient current even if the pulse width is very narrow (less than 100 ns). This capability is particularly beneficial for device engineers developing semiconductor or advanced memory devices, since it allows them to visualize previously unmeasurable waveforms. Current consumption waveforms can also be clearly captured at any point in time, whether the device is in its sleep/standby or active state. By being able to clearly see how a device consumes power, engineers are better able to quantitatively evaluate and reduce a device's power /current consumption. 

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