SBC fueled by lower-power Pentium or K6 for portables Product News 3/29/1999 Post a comment Xtech Embedded Computers said it built ruggedness and low-power capability into its 8.5- x 6.1-inch NxL-400 single-board computer to serve portable applications. The SBC offers an on-board hard-disk drive, multiple PCMCIA slots, built-in 256-color Super VGA graphics and Sound Blaster-compatible audio.
Flat-panel systems feature big LCDs Product News 3/29/1999 Post a comment An 18.1-inch-diagonal color liquid-crystal display (LCD) with a 1,280 x 1,024-pixel SXGA format graces Computer Dynamics' new series of flat-panel products, which the company dubs Clarity-18.
Siemens adds PIN transceiver Product News 3/29/1999 Post a comment Siemens Microelectronics has begun shipping a 1 x 5-pin, 850-nm fiber-optic 10/100-Mbit/second PIN-preamplifier transceiver that it said complies with 10Base-FL Ethernet, 100Base-SX Fast Ethernet and 4/16-Mbit token-ring.
FIFOs range up to 1-Mbit densities Product News 3/29/1999 Post a comment Cypress Semiconductor has launched its x36 Deep Sync family of 36-bit-wide, synchronous FIFO memories in both 3.3 V and 5 V. The 32-member family ranges from 8-kbit to 1-Mbit densities.
Newport expands its SMD capabilities Product News 3/29/1999 Post a comment Newport Components has hit the market with two dc/dc converters that extend the capability of surface-mount devices. The first is the NMT triple-output 3-W dc/dc converter with on-board shutdown that targets ISDN and SLIC designs. The other is the NMRi, a 1-W dc/dc for industrial distributed-power systems.
Slim supply fits shape of mobile units Product News 3/29/1999 Post a comment Artesyn's SSL40 series of external 40-W supplies measures 4.21 x 1.77 x 0.98 inches for such mobile applications as network adap-ters, xDSL modems, cable modems, flat-panel displays and external storage devices.
Buck-converter vendors boost efficiency Product News 3/29/1999 Post a comment Competition grows keener among synchronous-rectifier buck-type converter supplies, which are stepping up with more efficient systems to meet the requirements of lower-voltage, higher-current designs in ever-expanding distributed dc/dc power applications.
Power MOSFETs tout low on-resistance Product News 3/29/1999 Post a comment Vishay Siliconix has introduced four new power MOSFETs in "Little Foot" SOT-23 packages: the 30-V n-channel Si2306DS and p-channel Si2307DS; and the 60-V n-channel Si2308DS and p-channel Si2309DS.
MF's synthesizer line is software-programmable Product News 3/29/1999 Post a comment The M2XXX family of frequency synthesizers from MF Electronics Corp. is software-programmble to generate more than 4 million frequencies between 10 MHz and 220 MHz for a broad range of applications, including test-pattern generation and radio-receiver tuning.
PECL oscillators hit 250-MHz frequency Product News 3/29/1999 Post a comment Fox Electronics has introduced JITO-2 positive emitter-coupled logic (PECL) oscillators for high-frequency applications where the cycle switching times from positive to negative are extremely short and critical. Shipment of Fox's JITO (Just-In-Time Oscillators) is promised in 10 or fewer working days, with prototypes and test samples shipped within two days.
Coil reduces EMI emissionsc Product News 3/29/1999 Post a comment The B5W common-mode choke coil from Toko America Inc. is a dual-wound filter designed for common-mode noise attenuation in twisted-pair cable interfaces and IEEE 1394 apps.
Coaxial contact system debuts Product News 3/29/1999 Post a comment Hypertronics Corp.'s low-insertion-force coaxial contact system boasts electrical repeatability of more than 25,000 insertion/extraction cycles. These 50-ohm contacts, dubbed the Coaxtac system, are rated at 1.20:1 (max) voltage standing-wave ratio at 3 GHz and 1.40:1 up to 6 GHz and are designed for high-pin-count assemblies as well as for portable computers, test equipment and wireless apps.
Optocouplers target telecom Product News 3/29/1999 Post a comment The SOC600 series of optocouplers from Solid State Electronics is designed for applications such as telecom ring circuitry and switching, current detection, ring and loop detect, industrial testing equipment and medical electronics. Each SOC600 device consists of an input LED optically coupled to an output phototransistor, allowing for high isolation levels while maintaining low-level dc signal-control capability.
Power supplies tackle embedded apps Product News 3/29/1999 Post a comment The world of today's dedicated-or embedded-ac/dc power supplies is an extremely specialized one, calling for reliable, cost-effective units that must meet a unique mix of requirements. Supplies tracked for data communications, telecommunications, industrial and medical applications face especially stringent demands because of the large number of electrical and environmental requirements they must meet.
Small active-matrix LCD boasts big count in pixel density Product News 3/29/1999 Post a comment Active-matrix LCDs typically have a density of below 100 dots per inch and models in the 4-inch-diagonal range are typically 1/4-VGA or half-VGA devices. Toshiba America Electronic Components' LTM04C380S, however, which starts shipping this month, doubles that to deliver a full 640 x 480-pixel color VGA image and, because it has integrated drivers, it does so with a minimal interconnect.
Regulator ICs cut costs, noise and space Product News 3/29/1999 Post a comment Linear Technology has launched in rapid succession five switching regulator ICs, many unique to the industry and designed in with multiple functions to drive up efficiency, save space and cut noise and cost in a host of Pentium-based and portable power applications.
Web-access tools launch switch-mode simulation Product News 3/22/1999 Post a comment Power Design Tools' (PDT) WebSIM (Web-based Simulation Service) and eSIM software bring interactive power-supply design over the Web, establishing a new paradigm to the desktop for fast and accu-rate interactive simulation of switch-mode power supplies (SMPS) and their core components.
Batteries hold up to 8,000 Ah Product News 3/22/1999 Post a comment Yuasa's upgraded version of its Independence DD valve-regulated lead-acid battery, for telecom, UPS and switch-gear markets, comes in capacities that range from 120 to as much as 8,000 amp-hours.
PFC switcher offers 250 W Product News 3/22/1999 Post a comment Xentek Power Systems' compact Model PFC250 switcher with power factor correction, which is among the first products in the PFC line that ultimately will go to 600 W, provides four outputs and 250 W for $180.
Power inductors are surface-mountable Product News 3/22/1999 Post a comment Surface-mount power inductors with low current resistance and high energy storage are available from Associated Components Technology Inc. With coils in three size ranges-0804, 0810 and 1306-the SPI Series is fit for tight quarters, such as dc/dc conversion in notebook computers and other portable devices. The largest coil group is tailored for the high-current needs of Pentium Pro-type CPUs.
Encoder has optional momentary switch Product News 3/22/1999 Post a comment CTS Electrocomponents is introducing the first of several planned products to serve digital interface applications. The Series 288 rotary encoder with optional momentary switch allows direct interface to digital circuitry without signal conversion, as is required by analog circuitry.
Power splitter eyes RF cellular Product News 3/22/1999 Post a comment Toko's PTHM3216S series chip multilayer 3-dB power splitter is built with a proprietary ceramic multilayer material and process. Units are available in carrier frequency ranges from 800 to 2,400 MHz.
RJ11/45 modular jacks roll Product News 3/22/1999 Post a comment Maxconn Inc. has a full line of stacked, modular jacks in shielded, unshielded and low-profile (0.998-inch) configurations. The MJD-LG jacks are offered with two to 16 ports in RJ11 or RJ45 types. The jacks are also available with a combination of both types.
Ceramics fill in for carbon comp Product News 3/22/1999 Post a comment Ohmite's OX/OY series ceramic-composition, axial-leaded resistors are designed to replace 1- and 2-W carbon-composition resistors in high-energy, high-peak-power and surge-prone circuitry.
Relay module plugs into USB Product News 3/22/1999 Post a comment J-Works Inc. is shipping a relay module, the JSB-210, that plugs into any standard Universal Serial Bus (USB). Available with either eight or 16 Form C relays, the unit replaces internal plug-in cards in test, control and measurement applications.
Brushless fan yields 23.2 CFM Product News 3/22/1999 Post a comment Comair Rotron offers a compact brushless dc fan for computers, peripheral devices, power supplies and test equipment. The Flight LT weighs 68 grams and measures 60 x 25 mm. Airflow ranges up to 23.2 CFM; operating temperatures range from -10 degrees C to 75 degrees C.
BNC connector avoids damage Product News 3/22/1999 Post a comment The CTPBV-001 die-cast edge-mount BNC connector from Connect-Tech Products Inc. comes in 50- or 75-ohms versions and helps prevent over-torque damage by using the board to which it is attached for strength.
Smart-battery ICs cater to user specs Product News 3/22/1999 Post a comment PowerSmart's family of P3 smart-battery ICs brings a new level of customization to battery design, with software that enables tailoring to user specifications. The IC is SBS/SMBus-compliant for use with all battery chemistries.
PCI Mezzanine Card carries imaging load Product News 3/22/1999 Post a comment VisiCom has packed image-acquisition, processing and display functions onto a single-width PCI Mezzanine Card. The VigraVision-PMC PRO has a frame-grabber front end that accommodates a range of camera input sources, a video-graphics back end with 4 Mbytes of SGRAM memory, and a reconfigurable FPGA-based image processor in the middle with its own 16 Mbytes of buffer memory.
PCI board handles comms Product News 3/22/1999 Post a comment Motorola Computer Group has introduced a PMC expansion board that brings flexible communications capabilities to a base VMEbus or CompactPCI system board. The MPMC860 board stresses high line density and allows freedom in partitioning communications protocols for high-bandwidth voice- and data-switching designs, said Don Dingee, a Motorola marketing director.
CPCI subracks customizable Product News 3/22/1999 Post a comment CompactPCI (CPCI) system subracks that integrate backplane, power supply, drive mounting and cooling subsystem in one package are available from Schroff North America. A modular design makes it possible to configure the subracks for specific apps.
RAID systems can hot-swap Product News 3/22/1999 Post a comment The RAID storage systems in Unison Information Systems Ltd.'s Raid I/O Flyer LVD line feature hot-swappable power supplies, disk drives and fans. The storage systems have aluminum-based extrusion construction to provide good rigidity and conductive cooling.
Motherboards support AGP Product News 3/22/1999 Post a comment Antec Inc. has rolled out three motherboards with Accelerated Graphics Port (AGP) support: two ATX form-factor boards accommodating Socket-370 Celeron processors and one AT board that takes a Socket-7 processor.
Duracell adds life to alkaline cells Product News 3/22/1999 Post a comment Duracell is about to roll out an improved technology for its Ultra line of AA and AAA alkaline batteries that ups performance 20 percent over the batteries introduced just a year ago. The company will also unveil its Ultra Photo Lithium line, which Duracell touts as the longest-lasting for multifeature cameras.
CPU boards travel up the PowerPC performance curve Product News 3/22/1999 Post a comment Though most of the action in single-board computers and CPU boards is squarely centered on the latest generations of Intel-architecture microprocessors, those in the PowerPC camp are continuing to push the performance curve, courtesy of new revisions of the processors. Cetia Inc. (Burlington, Mass.), Mercury Computer Systems Inc. (Chelmsford, Mass.) and Synergy Microsystems Inc. (San Diego), for example, have all launched VMEbus boards using faster spins of the PowerPC 750, and Mercury is also p
8-bit microcontrollers make a mad dash toward flash Product News 3/22/1999 Post a comment Falling prices, more memory and added peripheral functions are among the trends adding value to the venerable 8-bit microcontroller, or MCU. However, perhaps more significant for emerging products built around these workhorse integrated circuits is the growing presence of electrically programmable storage for code and data. Both one-time-programmable (OTP) and flash memory are edging out mask-programmed ROM. Of the two, OTP dominates today. But flash holds greater possibilities and, as cost drop
SMT oscillator targets base stations, SDH/Sonet Product News 3/15/1999 Post a comment C-MAC Frequency Products is touting its CFPO-11 Series as the first true SMT oscillator capable of bettering the Stratum IIIE holdover-stability requirement. The OCXO is intended for use as a reference frequency source in GSM and other cellular base stations as well as in fixed-line SDH/ Sonet switching systems.
Keyboard stands up to industrial abuse Product News 3/15/1999 Post a comment A miniature plug-and-play keyboard from CTI Electronics Corp. measures only 8 x 5 inches with a depth of less than 1 inch. The silicon rubber keyboard is NEMA-4 rated and resists dust, water, oil and solvents. The 68-key qwerty layout has dual function keys and offers 104-key functionality. For installation into OEM products, there are evenly spaced mounting holes and an integral sealing gasket. The company said the keyboard has a solid tactile feel and gold contact keys rated for millions of op
Resettable fuses save portables' space Product News 3/15/1999 Post a comment Raychem Corp. has added three polymeric positive-temperature-coefficient (PPTC) resettable fuses to its PolySwitch VTP Battery Protection line. The new devices clear the way for more-compact high-power battery packs with NiMH and lithium-ion chemistries.
Fusible resistors save board space Product News 3/15/1999 Post a comment The FTR Series of thermal fusible resistors from Royal Ohm saves board space because a single device performs functions that usually require separate overcurrent and overtemperature fusing devices.
PTC fuses serve high-amp apps Product News 3/15/1999 Post a comment One-third the size of previous generations, the 1.5- and 1.25-A 1812L SMT positive-temperature-coefficient (PTC) fuses from Littelfuse Inc. are among the smallest PTC resettables available for high-amp applications. The new ratings of the 1812L are designed for USB and portable applications, meeting USB voltage drop and safety specs in a smaller package.
Connectors suit high densities Product News 3/15/1999 Post a comment The Series FX ZIF connectors from JST Corp. are designed for miniature flexible PC and flat cables. They are surface-mountable, with a height of 2.25 mm and a pitch of 0.3 mm, making them suitable for high-density applications such as cameras, VCRs, notebook computers, PDAs and pagers.
Analysis probe tweaked as Rambus tool Product News 3/15/1999 Post a comment FuturePlus Systems Corp.'s latest tool can be hooked up to an Hewlett-Packard logic analyzer and the result is a Direct Rambus passive analyzer. The FS2222 Direct Rambus Analysis Probe provides a direct interface from the RIMM connector to the instrument. Software sets up the logic analyzer for real-time transaction state analyses.
DSP board sports crossbar Product News 3/15/1999 Post a comment With four Texas Instruments TMS-320C6201 fixed-point or TMS320C6701 floating-point DSPs on board, the VME/ C6420 from Blue Wave Systems Inc. sports a high-speed, dynamically configurable mul- tiport crossbar switch to efficiently manage data flow. A 64-bit VMEbus board, the VME/C6420, also has a Motorola MPC860 for managing on-board control, signaling and data movement; it has two PMC expansion sites.
Switch supports Ultra2 SCSI Product News 3/15/1999 Post a comment APCON Inc.'s 6 x 4 SCSI Switch is one of the first SCSI switches to support Ultra2 SCSI low-voltage-differential devices. The switch enables four independent SCSI host ports to be linked, in any combination, to six peripheral ports, making it possible to share 42 SCSI peripherals. This eliminates the need to swap and reconfigure SCSI cables and bus terminators each time a new configuration is required. Users can share RAIDs, digital linear-tape units and CD-ROM towers among computer systems. The
Programmable terminal takes touch Product News 3/15/1999 Post a comment The OP7100 touch-input terminal from Z-World integrates a quarter-VGA monochrome LCD with an 8- x 8-point touch screen controlled by an 18.432-MHz Z180 microprocessor.
VME CPU board targets military Product News 3/15/1999 Post a comment The Score 740 VMEbus CPU board from Vista Controls Corp. targets designers developing next-generation 64-bit computer platforms for military applications and other "severe environments." It utilizes the five-row DIN connectors specified by the latest revision of the VMEbus, as well as a high-density P0 connector for routing I/O signals through the rear panel. Its PMC expansion-bus site is almost twice as wide as the standard site to simplify the development of custom PMC modules by OEMs.
A Book For All Reasons Bernard Cole1 Comment Robert Oshana's recent book "Software Engineering for Embedded Systems (Newnes/Elsevier)," written and edited with Mark Kraeling, is a 'book for all reasons.' At almost 1,200 pages, it ...