Keysight selects Fraunhofer EMFT as low-frequency noise reference center
Fraunhofer EMFT is one of the leading research centers enabling the creation of sensor solutions to meet the strong demand for better and versatile sensors, driven by markets such as the Internet of Things (IoT). The main limiting factor in CMOS sensors is the low-frequency noise and the accuracy needed for noise
measurements has increased.
The continuous improvements required to scale down electrical nodes associated with the ongoing quest of reducing the power consumption of sensors has increased the influence of low-frequency noise. In addition to flicker noise, the importance of reliable measurements of random telegraphic noise (RTN) is even more crucial. Recent materials such as organic semiconductor or gallium nitride (GaN) are using, among other techniques, the low-frequency noise measurements as a way to understand some material effects. After introducing the company’s E4727A low-frequency noise system, Keysight has decided to partner with renowned research centers in the field of noise measurements, Fraunhofer EMFT is the first selected to host customers that are interested in seeing the E4727A capabilities.
“Using the Keysight state of the art technology available in low-frequency noise measurements software further extends the quality of our sensors noise measurements.
This is enhanced by the on-wafer automation and very low noise floor capabilities. The start frequency of 30 milliHertz helps to identify RTN (Random Telegraph Noise) areas that were previously difficult to uncover,” said Professor Dr. Ignaz Eisele, Head of Sensors and actuators division at Fraunhofer EMFT.
“Low-frequency noise has become a major field of research worldwide, covering areas such as reliability, material quality and improvement of key integrated circuits, such as CMOS sensors or memories,” said Cédric Pujol, EMEAI Device Modeling business development manager for Keysight EDA.
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