048-049_EETE-VF

EETE JULAUG 2012

DESIGN & PRODUCTS 10-degree-of-freedom MEMS IMU with sensor SMT cellular M2M communication module for fusion algorithm for precise orientation sensing automotive use Analog Devices has introduced a 10-degree-of-freedom (DoF) Cinterion launched what it claims to be the world’s smallest MEMS inertial measurement unit (IMU) with an embedded sensor surface mount automotive M2M module providing global fusion algorithm that delivers accurate orientation sensing in plat- voice and data communications for vehicle telematics. The form stabilisation, navigation and instrumen- AGS2, measuring tation applications. The ADIS16480 10-DoF 27.6x18.8mm is Cin- MEMS IMU is the latest addition to ADI’s iS- terion’s first offering as ensor MEMS IMU portfolio and integrates a an Associate Partner in tri-axis gyroscope, tri-axis accelerometer, tri- the Intel Intelligent Sys- axis magnetometer, a pressure sensor and tems Alliance program, Analog Devices’ ADSP-BF512 Blackfin pro- which provides OEMs and developers with the advanced cessor in a single package. The ADIS16480 hardware, software, firmware, tools and systems integration incorporates an extended Kalman filter (EKF) that fuses the sensor support needed to bring leading-edge technology solutions inputs over time to render exceptionally precise positioning while to market faster. The AGS2 Land Grid Array surface mount reducing design time and cost compared to other MEMS IMUs. module was designed for cost effective vehicle telematics This is particularly useful in systems that require real-time position- such as fleet management solutions, car alarms and eCall ing yet where movement is constant, complex and dynamic, such applications. The module features a secure Internet protocol as military and commercial aircraft navigation, unmanned vehicles, connection, digital audio and advanced voice technology movable platform positioning, and industrial robotics. Kalman with voice prompts, which can be crucial during emergen- filtering is a mathematical algorithm that estimates the given state cies. Quad-band capability helps eliminate coverage disrup- of a noisy, variable process by taking multiple measurements tions, providing reliable communications even when roaming over time, and merging these with a predictive state estimator. between counties and across different carrier networks. The When embedded in the ADIS16480, the Kalman filter intelligently module’s advanced jamming detection feature strengthens combines the MEMS IMU’s motion sensor inputs to deliver excep- theft prevention while its low power consumption helps ex- tionally precise positioning data, even under complex operating tend vehicle battery life. AGS2 development kits are available conditions characterised by constant, unpredictable movement. immediately with commercial production starting now. By embedding the filter in the Blackfin processor’s core, ADI also Cinterion saves designers the time and cost associated with the intensive www.cinterion.com code development, testing and external processing required by other MEMS IMUs. With a 330-MHz bandwidth that is 6x wider than competing sensors, the unit combines ADI’s high-perfor- OEM IR modules and outdoor camera systems mance iMEMS technology and precision sensor-signal processing to support closely aligned (0.05 degree) and phase-matched axes, enable multi-spectral image fusion and industry leading non-linearity of 0.01%. Xenics has just released high-resolution OEM modules based Analog Devices on the same interface for both SWIR and LWIR, outdoor camera www.analog.com systems and multi-spectral image fusion. The modules are suit- ed for demanding applications such 2mm pitch connectors offer 3A on all contacts as night vision (active and passive), UAV (defence, surveillance and simultaneously, operate from -55 to +125ºC fire-fighting), homeland security, Harwin has added an extra-small bore crimp contact to its and search and rescue missions. Datamate family of high reliability 2mm pitch connectors, The Xenics Short Wave Module designed for use in challenging applications. Adding to XSW-640 and the Xenics Thermal Datamate’s existing wire sizes of Module XTM-640 are compact and 22 AWG (large bore) and 24-28 lightweight uncooled modules, low- AWG small bore, the new ad- power and easy to integrate in the ditions to the range feature an user’s application via the universal extra-small bore, female crimp QTE connector. A longer detection, recognition and identifica- contact, suitable for use with 28, tion range is feasible due to the detectors’ small pixel size. The 30 and 32 AWG wire. This new SWIR module XSW-640 is based on an uncooled InGaAs array contact enables designers to use wire which is less bulky of 640 by 512 pixels with a 20-µm pixel pitch, measuring just and lighter in weight, allowing designers to achieve a closer 45x45x24mm. It is optimized for the detection of shortwave packing density of components or a reduce in equipment infrared radiation between 0.9 and 1.7 µm, which can be ex- size. For aerospace and portable applications the reduction tended to the visible spectrum down to 0.6 µm. At a sensitivity in weight is very significant. The new contact is gold plated of less than 90 noise electrons, the XSW is optimized for active to ensure good conductivity and has a current rating of 3.3A and passive night vision. The LWIR module XTM-640 is based in isolation and 3A on all contacts simultaneously. Contact on an uncooled microbolometer array of 640 by 480 pixels with resistance 25mΩ (maximum), durability is 500 operations. 17 µm pixel pitch, measuring just 45x45x32mm. It is optimized And operating temperature range is -55 to +125ºC. for the detection of thermal infrared radiation between 8 and 14 Harwin µm at a high thermal sensitivity of 50 mK. www.harwin.co.uk Xenics www.xenics.com 48 Electronic Engineering Times Europe July/August 2012 www.electronics-eetimes.com


EETE JULAUG 2012
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