Signal Processing Techniques

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Delta Digital Video selected by L3 Technologies to deliver multiple Model 6880R Multi-Channel HD / SD Video Encoders in support of the mission and communication-navigation systems upgrade for the Royal New Zealand Air Force's fleet of P-3 Orion patrol aircraft.[Continue reading →]

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Dataforth's updated 2017 Full-Line Product Catalog is now online. The 326-page document provides the most up-to-date information and specifications for all Dataforth signal conditioning, data acquisition, and data communication products.[Continue reading →]

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The Sumida ESMIT-4180/C Series Isolation Transformer is the latest entry into Sumida’s line of low-profile, surface mounted isolation transformers. It was developed to better respond to the demands of the embedded-circuit based products, including automotive battery monitoring, high-speed modems and other circuits. As an example, the ESMIT-4180/C is included in the reference design for the NXP Freescale MC33771 and MC33664 High Voltage Battery Cell Controller and Transformer Physical Layer. This comprises a high-voltage battery management system.

The Sumida ESMIT-4180/C offers AEC-Q200 certification and a very high, 3,750 volt RMS, one second isolation capability (equivalent to a full minute at 3,000 volts RMS). Other specifications are consistent with the signal and high voltage isolation needs of digital data devices. [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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For applications where fast electronic signals in the GHz range need to be remotely acquired and analyzed, Spectrum has extended its popular digitizerNETBOX series of LXI based instruments and released eight new models.[Continue reading →]

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By treating connectivity as a system, aerospace designers can evaluate various tradeoffs – copper versus fiber, types of shielding, cable construction, and the like – to meet requirements for both signal integrity and the environmental and mechanical needs of the application.[Continue reading →]

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Specialist UK instrumentation manufacturer Mantracourt Electronics has announced the acquisition of a new Ersa reflow soldering machine and plans to further acquire a new Ersa selective soldering machine in January.

Mantracourt’s expansion in manufacturing capability has been driven by a continued growth in worldwide demand for its range of wired and wireless sensor technology. Working with technical partners across the world, Mantracourt has established its brand in many new countries, as well as introducing new products into its range.[Continue reading →]

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Photo Caption: Fast Ultralow Bias Current Amplifier MILPITAS, CA – Linear Technology announces the LTC6268 and LTC6269, FET-input single and dual op amps, which deliver outstanding performance for high speed and high dynamic range transimpedance amplifier (TIA) and buffer applications. With just 3fA bias current at 25°C and 4pA max over the entire –40°C to 125°C temperature range, the LTC6268/LTC6269 can resolve input currents from several femtoamps to amps. Wideband voltage and current noise is 4.3nV/√Hz and 5.5fA/√Hz, respectively, enabling high dynamic range circuits. Built for speed as well as precision, the LTC6268 features 500MHz gain bandwidth product, sub-pF input capacitance and –100dB harmonic distortion at 1MHz. In addition to photodiode and photomultiplier (PMT) circuits, the LTC6268/9 are well suited for other high impedance sensor applications and for driving analog-to-digital converters (ADCs).

The LTC6268 data sheet features circuit and layout techniques to maximize TIA performance, with example circuits ranging from 20kΩ transimpedance gain at 65MHz bandwidth, to 499kΩ transimpedance gain at 11.2MHz bandwidth.[Continue reading →]

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DALLAS – Texas Instruments (TI) is enabling system designers to reduce the size of their industrial monitoring and control applications with its newest successive approximation register (SAR) analog-to-digital converters (ADCs). The ADS7042 is the industry’s smallest and lowest-power 12-bit SAR ADC, and the ADS8354 family includes the industry’s smallest 14- and 16-bit, simultaneous-sampling SAR ADCs. For more information about the ADS7042 and ADS8354 family, visit www.ti.com/saradc-pr.

Ads7042 [Continue reading →]

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STEVENAGE, UK, and CTIA SUPER MOBILITY WEEK, LAS VEGAS, Nev. — Aeroflex Limited, a wholly owned subsidiary of Aeroflex Holding Corp. (NYSE:ARX), announced today that the TM500 family now supports aggregation of two 4x4 MIMO carriers, allowing mobile network operators to validate the performance of networks with data rates of up to 600Mb/s.

4x4 MIMO gives mobile users faster and more reliable data connections by making use of spatial multiplexing, where multiple data streams are transmitted simultaneously via separate antennas to improve throughput. Combining two of these 4x4 MIMO channels using carrier aggregation doubles the available bandwidth, hence giving a further x2 improvement in data rate.[Continue reading →]

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Linear Technology Corporation announces the LTC2000, a 16-bit 2.5Gsps digital-to-analog converter (DAC) with exceptional spectral purity of 74dBc SFDR at 200MHz output, and better than 68dBc SFDR for output frequencies from DC to 1GHz, a 12dB improvement over alternative 14-bit DACs. The LTC2000 features low phase noise and a wide 2.1GHz -3dB output bandwidth, enabling broadband or high frequency RF synthesis in applications such as high-end instrumentation, broadband communications, test equipment, cable TV DOCSIS CMTS, and radar.[Continue reading →]

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Some Dataforth MAQ20 I/O models deliver significant amounts of power to field I/O devices, and when many of these are used in a single system, power supply requirements may exceed the power output of the Communications module. To meet these high power consumption needs, one or more MAQ20 Load Share Power Supply modules (MAQ20-PWR3) can be installed in any I/O module slot on a single backbone to provide the additional power needed.[Continue reading →]

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Tunnel Monitoring Sensors Load Cell / Strain Guage Amplifier Specialist electronic instrumentation manufacturer, Mantracourt Electronics Ltd, has announced that its SGA load cell amplifiers are being used within the monitoring systems of the Marmaray Project, a major new rail tunnel project in Turkey.

The 76.3km long tunnel is the deepest immersed tunnel in the world and is regarded as the foremost challenging infrastructure project in Turkey.[Continue reading →]

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For optical and magnetic length gauges featuring decimal gratings, iC-MQF offers a sine resolution of up to 4000 edges. The circuit incorporates a signal conditioning analog front end, a vector-tracking converter for real-time conversion without latency, as well as fault-tolerant RS422 driver stages which output the incremental signals. Reverse polarity protection is also embedded and covers all cable connections.[Continue reading →]

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Geneva, March 11, 2014 – STMicroelectronics (NYSE: STM), a global semiconductor leader serving customers across the spectrum of electronics applications, has announced a raft of analog and mixed-signal devices targeting the rapidly growing market for wearable technology. These devices include current sensors, audio amplifiers, op amps, analog switches, and battery gas gauges enabling ST to offer the industry’s most complete set of building blocks for creating innovative wearable applications.

Wearable applications are making a growing impact in markets that range from new healthcare technologies including remote heart-rate monitoring to consumer applications such as smart fashion accessories. These applications represent a range of current and future markets that market analysts Strategy Analytics projects to grow by more than 70% through 2017.[Continue reading →]

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Advanced Micro Peripherals Scanverter board New York, USA and Cambridge, England, October 16th, 2013 – Advanced Micro Peripherals (AMP) has announced their new Scanverter range of video signal converter boards. These boards convert between a wide variety of otherwise incompatible video formats and interface standards. Scanverters help systems designers who are now often confronted with a need to interconnect one or more incompatible display devices and video signal sources. This demand is growing as highly functional electronic systems are appearing in ever more diverse applications, and increasingly using multiple displays.

The Scanverter boards greatly simplify video system design, cutting time to market. Built as stand-alone plug-and-go devices, these versatile boards are rugged, compact and dependable. The Scanverters have a 3.6x3.8inch PCI-104 form factor, operate from a single +5 V supply and are easy to integrate mechanically into space-constrained embedded systems. With their own on-board CPU, they provide their conversion function without loading the main system processor. The boards are operating system neutral and do not require any software drivers. Signals originating from any number of disparate sources including display generators, mission computers, FLIRs, radar, STANAG3350 and video cameras can be scan converted to produce highly stable outputs to different video display standards.[Continue reading →]

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New technology offers engineers of Software Defined Radio (SDR) systems diverse opportunities to apply digital signal processing much closer to the antenna than ever before. Various strategies include the latest wideband data converters, monolithic receiver chips, compact RF tuners, and remote receiver modules using gigabit serial interfaces. Each approach presents benefits and tradeoffs that must be considered in choosing the optimal solution for a given application.[Continue reading →]

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SOUTH SAN FRANCISCO, Calif., Sept. 4, 2013 (GLOBE NEWSWIRE) -- Envivio (Nasdaq:ENVI), a leading provider of software-based video processing and delivery solutions, today announced video quality and compression efficiency enhancements to its Envivio Muse(TM) encoders. The improvements span the full range of codecs, from HEVC (H.265) to MPEG-4 AVC (H.264) and MPEG-2.

Live or on-demand HEVC encoding--at resolutions up to 4K Ultra HD--are supported in the newest versions of the Muse software, and several tier 1 customers around the world are actively engaged with Envivio in HEVC field trials as part of Envivio's HEVC Early Access Program. Customers testing Envivio HEVC encoders include US cable operators and telco/satellite operators in Asia and Europe.[Continue reading →]

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Acromag's APCe8675 carrier card offers a simple and cost-effective solution that allows a PC to communicate with an XMC mezzanine module over a PCI Express (PCIe) bus. System developers can insert Acromag's FPGA modules or other XMC modules on the carrier card to perform a variety of signal processing functions. The carrier's PCIe x8 interface supports up to eight serial lanes for rapid data transfer between the plug-in XMC module and the host computer. These carriers are ideal for high-performance industrial and scientific research computing systems. They are also useful to test advanced systems for defense and aerospace applications that will be deployed later on rugged embedded computer platforms such as VME, VPX, or CompactPCI. Standard model, single unit pricing starts at $700.

"Now system developers can build powerful computers with an array of FPGA modules using a high-speed interconnect fabric similar to those of high-end VPX systems, but in a low-cost PC chassis," noted Joseph Primeau, Acromag's sales and marketing director. Several rear I/O connectors enable high-speed serial interfaces between neighboring carrier boards using XAUI or Aurora protocols. These ports simplify board-to-board connections with twinax or internal SCSI-3 cables to left and right adjacent carrier cards.[Continue reading →]

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CAMARILLO, Calif., – March 27, 2013 – Nallatech, a leading supplier of high-performance FPGA solutions, announces availability of the 395 FPGA accelerator card for data-intensive network and co-processing applications. The 395 FPGA accelerator card provides a powerful I/O and compute platform suitable for a range of applications including signals intelligence, network security and algorithm acceleration.

“FPGA acceleration has moved beyond the benchmarking phase and is increasingly gaining acceptance for large scale computing systems,” said Allan Cantle, president and founder of Nallatech. “Our new 395 card is targeted at latency-critical and co-processing applications that can utilize the largest FPGA devices and highest memory bandwidth. It complements our current product offering by delivering the ultimate performance end of our product range.”[Continue reading →]

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The combination of the DRS SI-9146 Dual Tuner and the VMETRO Phoenix VPF1 VXS DSP engine demonstrates a low-risk approach to the development of Signals Intelligence (SIGINT) and Electronic Warfare (EW) systems that are deployed in air-cooled and rugged conduction-cooled environments. [Continue reading →]

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White paper

Given its ability to extend signal reach and reduce pin count, PCIe will quickly become the CPU port protocol of choice. The availability of multiple CPUs with PCIe ports, including the CPU and house-keeper types favored in communications systems, will lead to a rapid adoption of PCIe in the on-card control plane. Wherever a CPU on one card controls devices directly on another card, PCIe be used to extend the control protocol across the backplane as a natural extension of the on-card model.[Continue reading →]

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SDR receiver manufacturers' custom and proprietary digitized data formats can make interoperability quite a challenge. However, now the VITA 49 Radio Transport (VRT) standard is aiming to solve the problem.[Continue reading →]

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