Infineon Launches Surface Mount Radar Motion Detection Module Operating in 24GHz Band
Published2016.11.24 18:12Infineon Technologies (Korea CEO Seung-soo Lee) and InnoSenT announced the launch of a surface mountable radar (SMR) motion sensing module operating in the 24GHz ISM band.
InnoSenT’s SMR series, featuring Infineon’s latest 24GHz transceiver MMIC, the BGT24LTR11, provides easy-to-implement radar solutions with low power consumption and excellent functionality.
The Infineon BGT24LTR11 transceiver, operating in the 24.0 GHz to 24.25 GHz ISM band, includes a low-phase-noise voltage-controlled oscillator (VCO), a temperature compensation circuit for VCO stabilization, and ESD protection within the chip. It features 200 GHz bipolar SiGe:C technology, B7HF200, and a single supply voltage of 3.3V.
Infineon's MMIC is the ideal solution that forms the core of the InnoSenT SRM series. The SMR series is very compact (20x15x3 mm³), making it easy to design for space-constrained systems. It is suitable for applications such as security, home automation, lighting control, intelligent machine control, touch-free switches, and motion detection.
Using radar in motion detection systems can increase accuracy compared to passive infrared (PIR) technology. It enables more precise object detection and allows for additional functions such as detecting the speed and direction of moving objects. Furthermore, unlike camera-based systems, radar has the advantage of being able to detect objects without external exposure.
The SMR series currently offers three types of products with different antenna characteristics. It is possible to simply detect motion, or to calculate speed and direction of motion using data returned from an object. Infineon’s silicon germanium radar MMIC can be implemented with modulations such as FMCW (frequency modulated continuous wave) and FSK (frequency shift keying) in addition to Doppler radar.
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