Compact, low-power 60-GHz wide-band radar sensors

October 11, 2019 //By Jean-Pierre Joosting
Compact, low-power 60-GHz wide-band radar sensors
Using the 60-GHz frequency band, the SC1220 series of ranging radar sensors from Socionext Europe GmbH detects an individual’s location and movement with very high accuracy and precision.

The latest addition to the company’s family of radar sensors, the SC1220 series is are now sampling, with volume production scheduled in the second quarter of 2020.

The SC1220 series radar sensors comply with the new 60-GHz wireless equipment band, which is available in North America and Europe. High-precision sensing using a 7 GHz (57 to 64 GHz) bandwidth allows the SC1220 series to detect a person’s location as well as very minute movements. These capabilities make the series ideal for advanced applications such as operating appliances using hand gestures. Since the radar sensors are generally not susceptible to environmental conditions such as temperature and light fluctuations, they can be used in a variety of applications, including smart home devices.

By leveraging the expertise gained through the development of millimeter-wave wireless communication ICs and 24 GHz radar sensors, Socionext was the first company worldwide to develop 60 GHz radar sensor in a small package of only 7- x 7- x 0.83-mm. The sensors also operate with very low power consumption of 1 to 2.5mW.

The SC1220 radar sensors are highly-integrated and easy-to-use devices that incorporate antenna, wireless circuit, A/D converter, FIFO memory, SPI interface and intelligent power control sequencer for flexible duty cycle control, and do not require advanced knowledge by users in handling high-frequency devices.

Two types of products are now available. The "SC1220AT2" detects three-dimensional movements such as the lifting and lowering of a person's hands. The "SC1221AR3" specializes in high-precision detection of two-dimensional movements, and is capable of detecting multiple moving objects in a specific area.

www.socionext.com


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