Features

Small-Footprint Computer Brings Web Connectivity to Embedded Controllers

The Ethersmart Wildcard™, an expansion module from Mosaic Industries (Newark, CA), enables Web connectivity to the company’s embedded controllers and operator interfaces. The module can be combined with the company’s QCard, a 2 × 2.5" single-board computer, to provide control, communications, and I/O capability. The Ethersmart Wildcard connects with standard Ethernet cables, allowing the QCard to communicate with other computers on a Local Area Network (LAN). The Ethersmart Wildcard implements the SMTP, HTTP, TCP/IP, ICMP, ARP, and DHCP protocols to establish and manage communications. Precoded software allows an application to compose and send e-mail to a specified LAN IP address, open or accept a TCP/IP connection to send and receive binary or ASCII data, and accept connections from a Web browser, serving out dynamic Web pages in response to queries.

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Small-Form-Factor SDR Platform for Development and Optimization of Radio Designs

Xilinx (San Jose, CA) offers a Small Form Factor (SFF) Software Defined Radio (SDR) development platform allowing OEMs to develop and optimize their radio designs for low power operation. The RF-to-baseband platform provides the hardware, operating software, and middleware stack. The development platform’s power optimization tool allows waveform developers to optimize system power via iterative power measurements and re-partitioning of algorithms across the Xilinx® FPGAs and Texas Instruments’ (TI) baseband processor. The SFF SDR platform features a miniature board size of 6 × 5", and is based on the Virtex™-4 SX35 and LX25 Platform FPGAs, TI DM6446 DSP baseband processor, TI ADS5500 analog-to-digital converter, TI DAC5687 digital-toanalog converter, and TI power management ICs. The hardware platform includes Virtex-4 XtremeDSP technology to implement the digital front-end (DFE) functions and wideband waveform processing, and TI DSP SoC technology to manage baseband processing and the SDR’s operating environment.

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Full-Size PICMG Single-Board Computer

ADLINK Technology (Irvine, CA) has released the NuPRO- 851 Series, a PICMG 1.0 full-size single-board computer. It features an Intel® LGA-775 for Pentium® 4 with FSB 533/800-MHz, dual-channel DDR2 memory at speeds of 400/533-MHz. The single-board computer also includes an Intel® GMA900 graphics core architecture providing 2048 × 1536 resolution with 8.5 GB/s peak memory bandwidth. Based on the Intel® 915GV and ICH6 chipsets, the two onboard Marvell 88E8052 controllers support dual Gigabit Ethernet ports via the PCIe bus.

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Quad DMOS Full-Bridge PWM Motor Driver

The A3988 quad DMOS full-bridge driver from Allegro MicroSystems (Worcester, MA) can drive two stepper motors or four DC motors. Each fullbridge output is rated to 1.2 A and 36 V. The A3988 includes fixed off-time pulse width modulation (PWM) current regulators; DC motors in forward, reverse, and coast modes; and 2-bit nonlinear DACs (digital-toanalog converters) that allow stepper motors to be controlled in full, half, and quarter steps. The PWM current regulator uses Allegro’s patented mixed decay mode for reduced audible motor noise, increased step accuracy, and reduced power dissipation.

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Real-Time Controller Enables Embedded Graphical Design

National Instruments (NI, Austin, TX), in collaboration with Freescale Semiconductor and Wind River, has developed the NI cRIO-9012 real-time controller based on Freescale’s MPC5200 processor built on Power Architecture™ technology, and Wind River’s VxWorks realtime operating system (RTOS). Embedded graphical system design combines open software and commercial off-the-shelf (COTS) programmable hardware in one unifying platform to design, prototype, and deploy embedded systems. Freescale’s 400- MHz MPC5200 processor contains an integrated floating-point unit that is suited for networking, media, industrial control, and automotive applications. The MPC5200, which is programmed with NI’s LabVIEW Real-Time Module, gives the cRIO-9012 controller up to four times the processing performance. Running on the MPC5200, the Wind River VxWorks RTOS delivers a fault-tolerant file system that provides data-logging, allowing engineers to operate the controller for long periods of time in remote applications using a battery or solar power.

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Pentium M-Based Slot-O Controller

KineticSystems (Lockport, IL) has announced the V155, a VXI Slot-0 controller featuring a Pentium® M embedded processor. The V155 is a single- width C-size module with 1.1-GHz, 1.6-GHz, and 1.8-GHz clocking options. It features dual Ethernet controllers that support 10BaseT, 100BaseTX, and 1000BaseT interfaces; 2 GBytes of bootable flash on a secondary IDE; 1.5 GByte of PC1600 DDR SDRAM; and one PMC expansion site for user expandability for FDDI, CompactFlash, GPIB, Fibre Channel, or FPDP. The V155 also supports the VXI Plug & Play Virtual Instruments Systems Architecture (VISA) Library, which allows modules to be controlled via several interfaces with the same I/O function calls. Industry-standard VISA support allows the V155 to be integrated into existing systems, while dual Ethernet ports enable direct LAN access for connectivity with LXI-based systems. The controller is suitable for data acquisition and control for applications such as ATE, and aerospace and aircraft testing.

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Platform Enables Wideband Data Links and SATCOM Processing

Mercury Computer Systems (Chelmsford, MA) has announced its integrated COTS application-ready platform for wideband data links and satellite communications (WBDLS) processing. The suite includes the Mercury Echotek™ Series ECV4-RFT 6U Wideband Remote Fiber Transceiver, which combines A/D and D/A technology, Xilinx® Virtex™-4 FPGA reconfigurable processing, and fiber I/O. The board brings COTS to applications such as 274- Mbps and wideband data links that require a blend of wideband I/O from dual 1.5-Gsps 8-bit A/D converters and dual 1.2-Gsps 14-bit D/A converters. The onboard FPGA reconfigurable processing resources enable multi-board coherent processing in distributed systems.

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