Signal Processing Types

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The MIPI® Alliance, an international organization that develops interface specifications for mobile and mobile-influenced industries, today released MIPI I3CSM, Improved Inter-Integrated Circuit, a sensor interface specification that streamlines sensor integration in smartphones, wearables, Internet of Things (IoT) devices and automotive systems.

“Today’s release of MIPI I3C is an important milestone for MIPI Alliance and the developer community because it brings together multiple sensor interface approaches around a unifying specification that provides conveniences and system-level benefits for many applications,” said Joel Huloux, chairman of the board of MIPI Alliance. “We expect MIPI I3C will play a fundamental role in expanding opportunities for sensor-based applications in mobile, mobile-influenced and embedded systems markets.”[Continue reading →]

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Workstation-grade Intel(r) Xeon(r) processor running with Intel(r) C236 chipset, fanless -40°C to 75°C extended operating temperature, excellent system performance, all-in-one integrated features, 4 SSD trays, 6 independent GigE LAN with 4 M12 IEEE 802.3at PoE+, outstanding mobile availability, smart manageability, 6V to 36V power input with 80V surge protection, ignition power control, intelligent circuit protection and rugged reliability, Vecow IVH-9200 Series Fanless Embedded System is your performance-driven solution for real-time Industry 4.0/ IIOT embedded applications.[Continue reading →]

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LoRa Alliance(tm) members myDevices, the Internet of Things solutions company; Senet, the first and fastest growing North American provider of public, low-power, wide-area networks (LPWANs) for long-range Internet of Things (IoT) applications built on the LoRaWAN(tm) protocol; and STMicroelectronics (NYSE: STM), a global semiconductor leader serving customers across the spectrum of electronics applications, today announced that they have collaborated to showcase demonstrations of the first real-time, multi-target location tracking using the LoRaWAN low-power, wide-area network (LPWAN) protocol along the Las Vegas Strip during CES 2017.[Continue reading →]

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The ASUS Zenfone AR is the company's first smartphone with support for Google TANGO augmented reality technology. A key part of TANGO is a depth-sensing camera module design with the Infineon REAL3 image sensor.[Continue reading →]

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Press Release:-New Delhi, India BalaJi MicroTechnologies is happy to release ultra high paaerforamance Line aScan Camera for machine vision & factory automation applicaatioans.With stroang in-house R&D & design efforts, we are happy to intrAoduace wide range of line scan cameras which produces high quality images.

Key Features: [Continue reading →]

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Advancements in processor technology mean that engineers and designers are able to meet the demand of signal-processing requirements in applications ranging from radar and software-defined radios to high-performance embedded computing (HPEC), and space systems. Designing for exacting high- bandwidth as well as size, weight, and power (SWaP) requirements are no longer a major challenge, but now are simply a checkbox in the design process. Even so, challenges remain, but designers are finding ways to face those issues by using fiber-optic technology, multicore processors, commercial off-the-shelf (COTS) components, and codesign methodologies.[Continue reading →]

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Industrial 4.0 changes the manufacturing industry, but also changes the industrial automation product design concept. With a variety of actuation / drive devices, controllers and sensing units become more intelligent, and even in the field to automatically determine the situation, the traditional industrial control systems play a role in the industrial computer, in addition to the System to find a new location, the product design concept began to change. Such as industrial computers will become more energy efficient, more compact, and easier to mount or integrate with other devices.[Continue reading →]

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United Electronic Industries (UEI) today announced that its new high performance ARINC-429 interface I/O board, the DNx-429-516, is available for purchase. This 16-channel board is fully compliant with the ARINC-429 specifications and supports both high speed (100 kHz) and low speed (12.5 kHz) operation.[Continue reading →]

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‘OWLY-EYED’: NEXT-GEN LOW-NOISE IMAGING TECHNOLOGY DEVELOPED BY LETI FOR FRENCH SME PYXALIS

Technology Targets Medical, Security, Defense, Scientific-imaging and other Markets. [Continue reading →]

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StarChip, a dynamic semiconductor company (subsidiary of Safran Identity & Security), and Cortus, a technology leader in low power, 32-bit processor IP, today announced a new strategic collaboration to deliver secure solutions for today's interconnected world against complex security threats[Continue reading →]

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When talking about Automation 4.0 or Internet of Things, it is never an easy job that can be accomplished by a single technical people, a task force or even a company. The IT people needs to learn Modbus, PLC logic, low level C language for I/O control and the OT people needs to know about database, ERP, and web technology. To bridges the technology gap between these two groups of people, Artila provides a ready to go IoT gateway, Matrix-700 embedded computer which supports Linux OS and Node-RED.[Continue reading →]

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Boston, MA, USA – November 2, 2016 – PrismTech™, a global leader in software platforms for distributed systems, today announced the availability of its open source Future Airborne Capability Environment (FACE™) 2.1 Transport Services Segment (TSS) reference implementation.

PrismTech has developed the open source FACE 2.1 TSS reference implementation for use with its Vortex™ OpenSplice™ product, the leading (open source and commercial) implementation of the Object Management Group®'s (OMG®) Data-Distribution Service™ (DDS™) standard. PrismTech’s open source TSS reference implementation provides a mapping-layer between the FACE Transport Services (TS) Application Programming Interface (API) and the standard OMG DDS API. The new TSS implementation supports both C++ and Java APIs and enables portable components to share and exchange data using DDS. PrismTech’s TSS reference implementation is being made available under GNU Lesser General Public License (LGPL) v3 open source license terms.[Continue reading →]

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The product launch improves the sensor nodes Waspmote and Plug & Sense! and the IoT gateway Meshlium making them faster, more accurate, energy-saving and compliant with the latest radio and cloud technologies in the market. This new generation adds more than 10.000 developers' feedback.[Continue reading →]

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PHOENIX, AZ – Nov. 1, 2016 – ON Semiconductor (Nasdaq: ON), driving energy efficient innovations, is bringing the advanced global shutter imaging performance of the PYTHON CMOS image sensor family to a cost-effective, small-footprint design.

The new PYTHON 480 image sensor shares the same pixel design and SVGA (800 x 600 pixel) resolution as the existing PYTHON 500, but is optimized for both size (with a package 85% smaller than the existing device) and power. Large 4.8 µm global shutter pixels with two available microlens offset options enable high light sensitivity in end-use cases ranging from inspection systems (where short exposure times enable the capture of moving objects without motion blur) to barcode scanning (where large depth of field and small scanning engines are needed). The new device preserves the imaging performance of the PYTHON family of CMOS image sensors while supporting readout speeds of up to 120 frames per second (fps) through either a single-lane LVDS or parallel output.[Continue reading →]

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The TXMC590 is a standard Switched Mezzanine Card (XMC) compatible module offering 16 channels capable of measuring thermocouples, resistive sensors like RTD and thermistors, and strain gauges. Released as an extension to TEWS' growing portfolio of XMC modules, the TXMC590 is designed for industrial control, telecommunication infrastructure, medical equipment, traffic control and COTS applications.[Continue reading →]

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See groov bridge the gap between existing industrial assets and infrastructure, and the digital world of cloud computing and information technology in Hall 1 Stand F725; Node-RED software development environment now included in the industrial HMI/dashboard/data logging groov(r) Box.[Continue reading →]

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In all areas of business, increased communication leads to more streamlined processes and greater potential for success. This is no less true in system design. Within large design organizations, baseband field programmable gate array (FPGA) and radio frequency (RF) signal processing communities have traditionally been separated both physically and by the resources available to them--with each group using very different techniques and tools. Today, however, many RF functions are moving into the algorithmic world and this is making communication between the two areas more crucial than ever.[Continue reading →]

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AUSTIN, Texas – Sept. 27, 2016 – Cirrus Logic (NASDAQ: CRUS) is enabling a dramatic leap forward in single-chip audio and voice processing features for mobile applications with the introduction of its flagship low power smart codec. The Cirrus Logic CS47L90 offers mobile device manufacturers the ability to provide new innovative voice features with audio technology that allows consumers to enjoy a high-fidelity listening experience from their mobile devices.

“Always on” voice activation, noise reduction, active noise cancelation, echo cancelation and speaker protection features empower consumers with greater voice control over their mobile device while delivering a superior, noise-free audio user experience. The CS47L90 provides a premium listening experience with SmartHIFI™ audio playback. SmartHIFI from Cirrus Logic is a unique combination of powerful DSP processing and high-performance analog circuits to deliver an audio experience typically associated with high-end audio equipment, now optimized for mobile audio playback. The CS47L90’s ultra-low power consumption, both in standby and operational modes, also enables significant battery life savings. [Continue reading →]

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White paper

In this paper, we will compare a software-based motion control system using KINGSTAR soft Motion to the traditional approach of using DSP-based hardware that plugs into the motherboard of your PC. We will show that the software-based servo performance is equivalent to or better than the DSP solution, with a number of advantages compared to hardware at a very affordable price. [Continue reading →]

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EIZO Rugged Solutions Inc. has introduced the Tyton VS2 - a low-latency, high-efficiency rugged H.265 (HEVC) video encoder with dual 3G-SDI inputs. With the latest H.265 encoding, the Tyton VS2 offers improved video quality and over a 50% reduction in the required bitrate than competing solutions.[Continue reading →]

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Powered by Intel 6th Generation Core i7/i5/i3 processor (Skylake-S), fanless -40°C to 75°C operating temperature, all-in-one integrated features, supporting 10G LAN/Fiber, outstanding system performance, excellent mobile availability, smart manageability, 6V to 36V power input with 80V surge protection, ignition power control, intelligent circus protection and rugged reliability, Vecow ECS-9000 Series Fanless Embedded System is your superb choice for real-time Industry 4.0 embedded applications.[Continue reading →]

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UltraSoC and Movidius today announced a licensing agreement under which Movidius will incorporate UltraSoC's semiconductor IP into its next-generation low-power machine vision systems-on-chip (SoCs).[Continue reading →]

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Henderson, NV - August 17, 2016 - Aldec, Inc., a pioneer in mixed-HDL language simulation and hardware-assisted verification solutions for FPGAs and ASICs, today announced the release of TySOM(tm) Embedded Development Kit (EDK). The TySOM EDK targets embedded designers who require a platform with higher-performance RTL simulation and debugging for developing leading-edge embedded applications for IoT, Computer Vision, Automotive, Robotics and Factory Automation.[Continue reading →]

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Amazon Web Services, Inc. (AWS), an Amazon.com company (NASDAQ: AMZN), today announced the availability of Amazon Kinesis Analytics, a fully managed service for continuously querying streaming data using standard SQL. Using Kinesis Analytics, developers can write standard SQL queries on streaming data and gain actionable insights in real-time, without having to learn any new programming skills. To get started with Kinesis Analytics, visit aws.amazon.com/kinesis/analytics.

Today’s digital businesses generate massive quantities of streaming data from diverse sources such as website and mobile app click-streams, sensors embedded in connected devices, and IT system log files. Being able to continuously query and gain insights from this information in real-time – as it arrives – can allow companies to respond more quickly to business and customer needs. However, existing data processing and analytics solutions aren’t able to continuously process this “fast moving” data, so customers have had to develop streaming data processing applications – which can take months to build and fine-tune – and invest in infrastructure to handle high-speed, high-volume data streams that might include tens of millions of events per hour. Now, with Kinesis Analytics, continuously querying streaming data in real-time is as simple as writing SQL queries. Kinesis Analytics integrates with Kinesis Streams and Kinesis Firehose and can automatically recognize standard data formats within data streams and suggest a schema, which is easy to edit using Kinesis Analytics’ interactive schema editor. Kinesis Analytics automatically provisions, deploys, and scales the resources required to continuously run queries, delivering processed results directly to AWS services, including Amazon Simple Storage Service (Amazon S3), Amazon Redshift, and Amazon Elasticsearch Service.[Continue reading →]

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MOUNTAIN VIEW, CA -- Locus Technologies (Locus), the industry leader in cloud-based EHS software, announced today that its multi-tenant SaaS Platform fully interoperates with the Internet of Things (IoT). The company has been the pioneering innovator in the EHS software space since 1999 when it first introduced its Automation and Data Management Groups, which used Internet-based technologies to manage and control vast amounts of data generated at the company's customer sites.

Locus' automation technologies have evolved over the years to encompass the vast array of Internet-connected devices, sensors, programmable logic controllers, and other instruments to gather and organize large amounts of streaming data.[Continue reading →]

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ReFLEX CES A10 boards on show @ ISDF San Francisco,CA , Intel SoC FPGA Developer Forum, August 18, 2016 - ReFLEX CES, a leading provider of custom embedded and complex systems, will showcase its expertise in the design and manufacture of complex SoC FPGA cards at theIntel SoC FPGA Developer Forum 2016. Highlights of the stand include Arria10 SoC Instant DevKit & OpenCL demos and the new Arria10 Low Profile FPGA PCIe cards and modules.

Intel SoC FPGA Developer Forum (ISDF16) provides the perfect platform for ReFLEX CES to reveal how it is further extending its proven position as a key provide of SoC FPGA-based solutions.[Continue reading →]

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Cobham and TRX Systems announce that the Cobham 3550R and the 8800 Series Radio Test Sets are now fully integrated with the TRX NEON(r) Signal Mapper application in an automated solution that simplifies and dramatically reduces the time required for indoor LMR testing.[Continue reading →]

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New antennas from Antenna Company can greatly improve WiFi and wireless performance in a wide range of networks - for consumers, offices, trucking and industry. The new antennas can provide greater range and connectivity for consumer & enterprise networks, laptop computers, telematics and IoT applications and devices. These new compact, high performance antennas allow device and system developers to create devices with improved connectivity, with creative designs and shapes. The new laptop antennas are small enough to fit into the hinge connecting the base to the display.[Continue reading →]

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Thales has selected PrismTech’s Vortex™ OpenSplice™ as the data-sharing platform for the sighting systems implemented in the AJAX fleet of armored vehicles, which is being delivered to the British Army by General Dynamics Land Systems-UK. Thales is the supplier of sighting systems and ancillary equipment for the AJAX fleet.

The UK MOD’s Generic Vehicle Architecture (GVA) Standard mandates that such vehicles adhere to the Data Distribution Service (DDS) standard for their data communication protocol. Vortex OpenSplice is based on DDS and will enable high-level communications and interoperability between the vehicles’ advanced onboard systems.[Continue reading →]

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HARRISBURG, Pa. – July 20, 2016 –TE Connectivity (TE), a world leader in connectivity and sensors, announces its new Ruggedized Optical Backplane interconnect systems that provide a high-density, blind-mate optical interconnect in a backplane/daughtercard configuration. The half-sized connectors are fully compliant to the ANSI/VITA 66.4 standard.

“As the industry expands its use of fiber optic solutions in higher bandwidth applications, TE continues to support the VMEbus Industry Trade Association (VITA) in the rugged embedding computing market,” said Rod Smith, global product line manager, Global Aerospace, Defense & Marine, TE Connectivity. “The VITA 66.4 platform is the latest innovation to enable fiber optic solutions for harsh environments.”[Continue reading →]

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SAN JOSE, CA – ADLINK Technology, a leading global provider of embedded building blocks, intelligent gateways and cloud/fog computing solutions that enable the Industrial Internet of Things (IIoT), announces the release of three ADLINK IoT gateway models supporting Intel® IoT Gateway Technology. The MXE-110i, MXE-202i, and MXE-5400i, based on the Intel® Quark™, Intel® AtomTM, and Intel® Core™ processors, respectively, further expand the scope of ADLINK’s IoT gateway-based scalable computing platforms. From energy-saving applications to intelligent analytics, ADLINK’s IoT gateways supporting Intel® IoT Gateway Technology provide the ideal IoT-ready industrial platforms for a wide variety of applications.

Intel® IoT Gateway Technology enables development of intelligent gateways, which are critical to connecting systems with next-generation intelligent infrastructures and increasing business value for a world of applications. The ADLINK IoT Gateway product line, fully supported by Intel® IoT Gateway Technology, with integrated Wind River® Intelligent Device Platform XT, and McAfee Embedded Control, is available for Intel® IoT Gateway Software Suite, Intel® IoT Gateway Pro Software Suite, and Intel® IoT Gateway Pro Pilot Software Suite.[Continue reading →]

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Artila Electronics, the leading designer and manufacturer of embedded device networking and computing, is proud to release RIO-2015PG, the new FreeRTOS programmable remote I/O module. RIO-2015PG is powered by a 32-bit Atmel SAM4E16E 120MHz ARM Cortex M4 processor which is equipped with 256KB SRAM, 3MB Flash and FreeRTOS real time operating system. The industrial I/O of RIO-2015PG features one 10/100 MHz Ethernet port, one RS-232, one isolated RS-485, four isolated analog input channels, two isolated analog output channels, four isolated digital input and two channels of relay and one 1-wire interface for temperature or humidity sensors.

RIO-2015PG is shipped with a FreeRTOS+lwIP board support package (BSP), device manager utility and example programs. Users can download the Toolchain, Atmel Studio from Atmel web site. A tiny web server is available in RIO-2015PG and is ready for customer’s web-based application. Example programs which demonstrate serial and Ethernet data communication, Web configuration and I/O controls are available in the RIO-2015PG application development kit. The device manager utility featuring device discovery, network configuration, user’s web page and firmware upload is also included. An example program which demonstrates how to push sensor data to IBM Bluemix using MQTT is also included for quick sensor to cloud application development.[Continue reading →]

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RFEL will be launching its latest core at EW Europe. The new Fractional Rate Resampler IP core, which was originally part of the company's multi-award winning ChannelCore Flex(tm) product, is now offered as a stand-alone IP core for FPGAs in response to customer requests.[Continue reading →]

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(Taipei, Taiwan) April 21, 2016 - AAEON, a major developer of industrial computing solutions and a member of the Intel® Internet of Things Solutions Alliance, will be infusing its main IoT product line with Intel® IoT Gateway Technology including the Wind River Intelligent Device Platform 3.1.

Solutions based on Intel® IoT Gateway Technology will be pre-integrated and pre-validated with Wind River® Intelligent Device Platform (IDP) XT 3.1 operating system, enhanced security with McAfee® Embedded Control security technologies and granted cloud connectivity through the Wind River® HelixDevice Cloud agent. With these tools, solutions are expected to helps users save resources on data transmission, storage, and analysis through greater scalability, sustainability, and security.[Continue reading →]

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White paper

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With the RTO-K17/RTE-K17 High Definition Option the user will see more signal details with up to 16 bit vertical resolution. In combination with the superior analog front end of the RTO and RTE, the user has a versatile instrument in his hands to analyze a wide range of applications. From Switch Mode Power Supplies to Radar RF, the user can inspect all with one scope.[Continue reading →]

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With Intel(r) Skylake-S platform, Quad Core 6th Gen Intel(r) Core(tm) i7/ i5/ i3, fanless -25°C to 70°C operating temperature, all-in-one integrated features, multiple I/O connection, 4/2 SSD Tray, 3 SIM sockets for outstanding mobile availability, 4/2 multiple PCI/PCIe expansion, smart manageability, 6V to 36V power input with 80V surge protection, ignition power control, intelligent circus protection and trusted reliability, Vecow RCS-9000 Series Fanless Robust Computing System makes versatile expansions possible in Machine Vision, Factory Automation, Robot Control, Automated optical inspection (AOI), Machine Automation, Industry 4.0 and any high-performance IoT applications.[Continue reading →]

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Guelph, ON - Connect Tech is proud to release Rosie, its latest rugged embedded system, based on the NVIDIA® Jetson™ TX1. Housed in a compact enclosure with optional mounting brackets, Rosie features revolutionary NVIDIA Maxwell™ architecture with 236 CUDA cores delivering over 1 TeraFLOPs of performance with a 64-bit ARM A57 CPU.

Rosie's rugged system also provides USB, HDMI, 2x Gigabit Ethernet, WiFi, and Bluetooth capabilities. Designed to MIL-STD 810g and DO-160G for shock and vibration as well as IP67/68 ingress protection rating, the durable Rosie can stand up to just about anything thrown her way.[Continue reading →]

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London, UK – At the Wearable Technology Show in London, UK, MicroEJ® announced that Bong, a Chinese OEM, chose MicroEJ solutions for developing the software of its latest X2 smartwatch – www.bong.cn/x2/. MicroEJ’s comprehensive Internet of Things (IoT) product suite enables design teams to build embedded software, design smart applications, and deploy them anywhere, to any device.

The Bong X2 delivers time, heartrate and steps information to the user. The user’s experience is unique as it has no buttons or touch screen: it is operated by natural wrist gestures. It has a 128x128 8-bit color square LCD and runs on an ARM Cortex-M4 low-power microcontroller, which makes it very cost- and power-effective.[Continue reading →]

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Targeting IoT and Virtual Reality (VR) applications, development time cut dramatically by combining Dialog's highly integrated DA14583 Bluetooth(r) Smart System-on-Chip (SoC) and SmartFusion(tm) sensor library[Continue reading →]

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RGBW light color control The MTCS-C3 sensor system is suitable for OEM test tasks, such as inspecting incoming LEDs, as well as for controlling multi-channel LEDs MAZeT GmbH, the development and manufacturing services provider for embedded systems and optoelectronics, will be presenting its latest products and innovative sensor solutions for controlling LEDs at the Light+Building 2016. This international trade fair is being held from 13 to 18 March 2016 and MAZeT GmbH will be located at Booth G10 in Hall 4.0.

MAZeT’s sensor solutions ensure consistent color, color temperature, and brightness levels, even for flickering of LEDs. MAZeT will also be showcasing various LED control solutions that rely on mobile devices. “Our LED-based RGBx light box impressively demonstrates how a smartphone or tablet can be used to precisely control the color, color temperature, and brightness, without allowing temperature, aging, or outside influences to affect the visible color at any point during the entire lifecycle,” explains Frank Krumbein, Product Manager for Color and Spectral Sensoring at MAZeT. “It is possible to control multiple light boxes in parallel, depending on the kind of wireless connection. Either all boxes light up in a specific color mixed according to the RGBW scheme, or you can set up a scenario with different colors.” [Continue reading →]

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Microstar Laboratories announced the Wave Synchronization Module software, now available with DAPtools Standard software. This module provides a real-time software-oriented approach to the problem of aligning data streams to the local power system frequency, obtaining greatly improved load harmonic measurements by avoiding data corruptions that are otherwise caused by sampling rate misalignment or power frequency drift. This software runs on xDAP data acquisition systems and is hosted by the DAPL 3000 embedded operating system, included with the DAPtools Software.[Continue reading →]

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Winter Haven, Florida – More than one-quarter of the U.S. population report occasionally not getting enough sleep, while nearly 10 percent experience chronic insomnia[1]. Helping patients to more easily manage and treat sleep disorders, 3B Medical and BMC Medical (3B/BMC) have selected Vodafone to deliver a global mobile solution to the reporting of sleep efficacy and compliance data from their line of Luna CPAP (continuous positive airway pressure) devices, commonly used to treat sleep apnea, one of the most common sleep disorders.

The agreement will allow 3B Medical Luna devices that are pre-installed with a Vodafone global SIM to automatically upload sleep data to 3B’s cloud-based patient management system, iCodeConnect. Regardless of patient location, iCodeConnect provides secure, real-time clinician and physician access and management of patient records, compliance reports, and the ability to track overall treatment progress. Luna devices that are being used by patients who travel globally or by those who do not have existing WiFi connections in their home will now be able to realize the benefits of real-time data analysis and reporting. [Continue reading →]

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The service-driven flash, DRAM module, and embedded peripheral provider Innodisk will be showcasing a wide range of new products at "embedded world 2016" in Nuremberg, Germany, from February 23rd to 25th. With an emphasis on the topic of "NEXT," New Embedded eXtreme Technology, Innodisk will present a new generation of flash, DRAM, and embedded peripherals ideal for embedded systems.[Continue reading →]

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Stealth.com (a Sparton company), a leader in the industrial rugged computer and peripherals market has released a new powerful Fanless Mini PC model LPC-720F featuring built-in dual expansion slot capability designed for a large variety of demanding applications.[Continue reading →]

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Hakusan, Japan, February 16, 2016 - EIZO Corporation (TSE: 6737) announced today that Tech Source Inc., an EIZO group company specializing in ruggedized graphics and video products and based in Altamonte Springs, Florida, USA, is changing its name to EIZO Rugged Solutions Inc. The new name and a change in the web site address to eizorugged.com will take effect on April 1, 2016.[Continue reading →]

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Advanced Thermal Solutions, Inc. (ATS) now provides the base-and-stem Candlestick sensor for simultaneously measuring air temperature and velocity when characterizing thermal conditions inside electronic systems.[Continue reading →]

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Digi-Key Electronics, the industry leader in electronic component selection, availability and delivery will be discussing with attendees how the company's business model and updated designs tools can help the design engineer with their entire design process at the 2016 Embedded World conference in Nuremberg, Germany.[Continue reading →]

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Article

Wider frequency communication bands require not only a larger observed bandwidth from a system analog-to-digital converter (ADC), but can also push the need for a higher full-power bandwidth. In some applications, such as electronic warfare (EW) and active phased-array radar, this can require the use of a higher order Nyquist rate band. Next-generation gigasamples per second (GSPS) ADCs allow GHz sampling well into the 3rd and 4th Nyquist band with decimation options to get the dynamic range benefits of oversampling. If an ADC's input bandwidth is high enough, it is possible to downconvert directly in the ADC by undersampling the infrared (IF) signal of interest. Higher-bandwidth input signals and sample rates enable direct RF sampling of wider band signals and possible reduction of an entire stage in a signal chain for lower system power and simplicity.

ADC undersampling is essentially the technique of using a sampling frequency that is less than twice the maximum frequency component in the signal. This technique can also be referred to as harmonic sampling, band pass sampling, or super-Nyquist sampling. To reconstruct the original signal perfectly from the sampled version, the Nyquist-Shannon Sampling theorem indicates that the sample rate must be twice the signal bandwidth of interest. This technique should not be mistaken with a sample rate that is twice the maximum IF frequency component. [Continue reading →]

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