EDN articles from June 2003

EDN archives from June 2003

LED series is bright, nonacademically. (leading edge).
June 12, 2003... VISHAY'S TLMx33xx series of LEDs offers 630-nm super-red, 617-nm red, 605-nm soft-orange, and 588-nm yellow devices in aluminum-indium-gallium-phosphorous technology. These LEDs are available in a standard PLCC-2 surface-mount package, which...

Quality, not quantity. (leading edge).
June 12, 2003... "The world does not need a glut of lousy engineers in any field. What they ought to educate is some finite number of excellent engineers." --Bob Pease, dean of the Analog University at National Semiconductor, in Electronic Business, May...

Tool lets you formally verify complex datapaths. (leading edge).
June 12, 2003... ENGINEERS DEVELOPING timing-critical applications, such as graphics, multimedia, DSP, and communications, often require advanced datapath optimization. These circuits are difficult and sometimes impossible to formally verify with synthesis....

Toroidal inductor addresses current affairs. (leading edge).
June 12, 2003... A pair of surface-mount inductors from C&D Technologies provides your design with high current ratings along with low dc resistance. Targeting use in switching supplies and dc/dc converters, these field-retaining inductors handle current up to...

Dual matched filter is unmatched for performance. (leading edge).
June 12, 2003... AS CHALLENGING AS DESIGNING low-noise filters can be, the tolerances of even the most expensive reactive components make realizing a tightly matched filter pair well-nigh impossible in a production environment. Yet, some filter applications,...

Dilbert. (leading edge).
June 12, 2003... THE EXIT INTERVIEW WHAT WOULD YOU SAY IS YOUR MAIN REASON FOR LEAVING? I CAN'T STAND WORKING FOR AN UNETHICAL WEASEL. YEP, PERSONAL PROBLEMS. I'M GLAD THAT WE COLLECT THIS HELPFUL DATA [ILLUSTRATION OMITTED]

Leading edge.(Brief Article)
June 12, 2003... Intel's computer-processor business grew an estimated 6% in unit volume, excluding X-Box processors, in 2002, according to INStat/MDR. According to a survey from Digital Marketing Services, a subsidiary of AOL, US mothers spend an average...

Integrated power module handles the other appliance need. (leading edge).
June 12, 2003... YOU HEAR A LOT about networked home appliances, such as smart 'refrigerators, but OEMs and end users need a better, more efficient motor drive, which both saves energy costs and reduces thermal loads. International Rectifier addresses this need...

Test-data-management software helps engineers tackle a tough task--before it gets out of hand. (leading edge).
June 12, 2003... IF YOU HAVE TEST DATA, it probably should reside in a database--not, as it so often does, in spreadsheet files. The problem with databases, though, is that anyone who has used even "simple" database-management software understands that...

Tiny packages, new architectures rock distributed power. (leading edge).
June 12, 2003... POWER--ONE SAYS it is changing the shape of power. Vicor, could say something similar. Both companies have introduced small, low-cost, distributed-power products that are radically different--at least in packaging-from almost all others in the...

Formal-verification product debuts. (leading edge).
June 12, 2003... Magellan, a new hybrid formal-verification product from Synopsys, combines formal engines with the built-in VCS-simulation engine to help engineers uncover bugs. This architecture finds bugs by uniquely combining VCS's ability to reach deep...

Cost reallocation, reduction put new spin on rotating storage. (leading edge).
June 12, 2003... PUNDITS HAVE LONG PONTIFICATED on when and if the price-per-bit of semiconductor memory will cross under the magnetic-storage cost curve. Looking at the situation from one perspective, magnetic storage is winning the tug of war by a large...

Constant-resistance termination. (signal integrity).
June 12, 2003... IN 1945, HENDRIK W BODE published Network Analysis and Feedback Amplifier Design, codifying in one classic book the filter and feedback-amplifier theory upon which much of the electronics industry still relies. Of the many secrets his...

Order, please. (on the verge).(Editorial)
June 12, 2003... WHEN I FIND TIME to fill this space, I usually write about all things with a convergence slant. And I suppose I can argue that this column is related, but instead of writing about the technology, I'd like to discuss how EDN can best use...

Nanotube lets there be light. (Sightings: the outlook for new technology).(Brief Article)
June 12, 2003... IBM RESEARCHERS have created the first single-molecule, electrically controlled light emitter: a carbon nanotube that measures 1.4 nm in diameter. The researchers created the nanotube as a three-terminal transistor. The team engineered the...

OLED assembly: no vacuum required. (Sightings: the outlook for new technology).(Brief Article)
June 12, 2003... CHEMISTS AT THE GEORGIA INSTITUTE of Technology have attached a solid-state fluorescent material used in OLEDs (organic light-emitting diodes) to a universal polymer backbone--a research milestone that could eventually lead to more...

Material marriage spawns better batteries. (Sightings: the outlook for new technology).(Brief Article)
June 12, 2003... ALTHOUGH EXOTIC technologies, such as methanol fuel cells, hold promise for powering electronic devices, researchers haven't given up on squeezing more juice from lithium-ion technology. A team at Sandia National Laboratories has developed a...

Powerful laser corrects telescope vision. (Sightings: the outlook for new technology).(Brief Article)
June 12, 2003... SCIENTISTS AT the Air Force Research Laboratory have demonstrated a 20W continuous-wave laser that creates an artificial guide star by exciting sodium atoms in the mesosphere, 90 km above the earth. Ground-based telescopes use such guide stars...

Sound savings: portable audio recorder takes on tape, part 2: the last issue of EDN dissected the PDaudio-CF sound card, which tackles digital-domain conversions. This concluding write-up discusses the other half of the PDaudio-hardware chain, Mic2496, along with the system software that completes the symphony. (how it works).
June 12, 2003... FOR USERS WHO DON'T own the necessary analog-centric and analog-to-digital-conversion gear necessary to transform the signals coming out of their microphones or who want to upgrade their setup to capture high-resolution audio, Core Sound has...

Pour your own programmable analog: pouring analog-circuit descriptions through an interface sounds like a versatile way to form functional blocks. But before I hang up my soldering iron, I wanted to know how well they work in practice. (hands-on project)(Cover Story).
June 12, 2003... MOST INDUSTRIES have their philosophical tugs of war, and if only for sheer entertainment value, perhaps it is fortunate that ours has more than its share. Throughout our industry's history and at nearly every turn, engineers and technologists...

IEEE 488: not dead yet? Nothing good lasts forever, but IEEE 488's slow decline is making the venerable instrument-interface standard seem immortal. (design feature).
June 12, 2003... LIKE THE CHARACTER in the famous Monty Python sketch, IEEE 488 is not dead yet. The decades-old standard's longevity is in question, however, and you probably have good reason to care about its fight for life. Whether you design...

Thin, flat, and low power: the ideal display is (still) just around the corner: new display technology option are opening up, led by the long-awaited introduction of Oled products. (techtrends).
June 12, 2003... THIS YEAR WILL MARK a golden anniversary; in December 1953, the Federal Communications Commission approved RCA's proposal for a color-television service in the United States. It wasn't the first color-TV service, but it was the first to be...

Maximize performance when driving differential ADCs: converting a single-ended signal to a differential signal before the analog-to-digital conversion can improve the performance of your data-acquisition system. (design feature).
June 12, 2003... USING DIFFERENTIAL SIGNALS in data-acquisition systems is becoming increasingly popular because differential signals are highly immune to system noise based on the common-mode rejection of a differential ADC (see sidebar "The operation of a...

Active filters for video meet antialiasing and reconstruction requirements: original video filters were passive L-C circuits surrounded by amplifiers. Today, you can achieve smaller and more efficient designs by combining the amplifier with an R-C filter. Moreover, sensitivity analysis and predistortion methods have overcome the poor performance that gave early video filters a bad reputation. (design feature).
June 12, 2003... HIGH-PERFORMANCE OP AMPS and specialized software for PCs enable the design of wide-bandwidth active filters, but those advantages don't address the requirements of any specific application. For video filters, the application and signal format...

Light a white LED from half a cell. (design ideas).
June 12, 2003... WHETHER YOU USE them as indicators or to provide illumination, LEDs are hard to beat in efficiency, reliability, and cost. White LEDs are rapidly gaining popularity as sources of illumination, as in LCD backlights, but with forward voltages...

LED driver delivers constant luminosity. (design ideas).
June 12, 2003... THE CIRCUIT IN Figure 1 is similar in principle to that of a previous Design Idea (Reference 1) but offers improved, more reproducible performance. The output current is almost constant over an input-voltage range of 1.2 to 1.5V and is...

Get more power with a boosted triode. (design ideas).
June 12, 2003... THIS DESIGN IDEA is a reprint of an earlier one that contained errors in graphics (Reference 1). Even though 6L6 beam-power tubes have been around for 66 years, they are still quite popular for use in electric-guitar amplifiers, and its cousin,...

White-LED driver touts high efficiency. (design ideas).
June 12, 2003... WHITE LEDs, the most recent addition to the LCD backlight, find common use in providing back, light for color LCDs. Thanks to their size and white-light output, they appear in small, portable devices with color displays, such as PDAs and...

Bipolar transistors have ultra-low saturation voltage. (Discrete Semiconductors).
June 12, 2003... Hi-MET III bipolar power transistors for portable electronics exhibit superior [V.sub.CESAT] characteristics, minimizing transistor losses in a circuit. A representative example, the 2SC-5755, has a maximum saturation voltage of 0.12V, with...

Transistors handle more power from smaller space. (Discrete Semiconductors).
June 12, 2003... MPPS (Miniature Package Power Solutions) is a series of bipolar transistors in MLPs (microleaded packages) offering power-dissipation capability three times greater than that of alternative surface-mount devices. These transistors allow you to...

Darlington arrays drive as much as 1500 mA. (Discrete Semiconductors).
June 12, 2003... This monolithic IC series consists of four-, six-, seven-, and eight-circuit npn Darlington arrays with clamping diodes for protection against switching inductive loads. Output ratings are 40V and 150 mA to 50V and 1500 mA. Arrays are available...

RF diodes target wireless designs. (Discrete Semiconductors).
June 12, 2003... An RF Schottky diode and four RF PIN diodes come in compact surface-mount two-pin SOD523 packages. With low forward resistance, high speed, and compact outlines, these diodes offer exceptional dynamic performance and space savings in wireless...

80V MOSFET suits primary- and secondary-side isolated designs. (Discrete Semiconductors).
June 12, 2003... With a drain-source voltage of 80V, the IRF1312 is useful as both a primary- and secondary-side MOSFET in an isolated dc/dc converter for network- and data-communications systems. You can use the IRF1313, a primary-side MOSFET, for a maximum...

40V MOSFETs boast low on-resistance and ruggedness. (Discrete Semiconductors).
June 12, 2003... Five n-channel 40V MOSFETs for dc/dc conversion offer extended avalanche energy capability for rugged operation. Depending on the input and output voltages your application demands, you can use these devices as synchronous rectifiers or as...

High frequency active antialiasing filters--design note 313. (Design Notes).
June 12, 2003... Introduction High frequency (1MHz or higher) active Lowpass filters are now practical alternatives to passive LC filters mainly due to the availability of very high bandwidth (100MHz or higher) integrated amplifiers. Analog signal...

"Never begin a chat with 'hello'. (Leading edge: what's hot in the design community).
June 26, 2003... "Never begin a chat with 'hello,' never use proper grammar in instant messages, and 'pos' stands for "parent over shoulder." --Phuong Ly, on how FBI undercover agents studied teens' instant-messaging behavior to track Internet pedophiles,...

Connectorless logic-analyzer probes reduce capacitive load by 80%. (Leading edge: what's hot in the design community).
June 26, 2003... AGILENT'S E5394A soft-touch probe minimizes its effect on system performance by connecting to target pc boards without passing the signals through a conventional adapter, which adds series inductance and shunt capacitance. Compared with other...

NPU raises bar to 40 Gbps. (Leading edge: what's hot in the design community).
June 26, 2003... XELERATED BASED ITS NEW X10Q network processors on a 0.13-micron process technology. The devices employ a deterministic data-flow architecture running at wire speeds as high as 40 Gbps. A synchronous pipeline comprises 200 data-flow processors...

The art's in the engineering. (Leading edge: what's hot in the design community).
June 26, 2003... Precision in engineering is the theme of the Cog movie from Honda. Featuring an extensive Rube Goldberg machine built using actual parts from the new Accord, the movie captures a sense of the art of engineering. The film has no animation, and...

Video receiver/equalizer goes the distance. (Leading edge: what's hot in the design community).
June 26, 2003... REMOTE COMPUTER MONITORING, security monitoring, and other video-at-a-distance applications can present signal-processing challenges even when connected through controlled-impedance coaxial cable. Though the economies of common...

Dilbert.
June 26, 2003... OKAY... I THINK WE'RE DONE HERE. LOTS OF WORK TO DO. BUSY, BUSY, BUSY. I'LL TALK TO YOU LATER. HAVE A NICE DAY. BYE-BYE. THANKS. LOOKS LIKE SOMEONE TOOK ROOT IN YOUR CUBICLE. [ILLUSTRATIONS OMITTED]

Leading edge.(Brief Article)
June 26, 2003... * According to InStat/MDR, the overall annual growth rate for smart appliances will be 53.4% from 2002 to 2007. * Jupiter Research predicts online hotel bookings will surge from $5 billion in 2001 to $14.8 billion in 2007. * Cable...

Tool improves design timing. (Leading edge: what's hot in the design community).
June 26, 2003... Zenasis Technologies has introduced ZenTime, a tool that uses a hybrid-optimization technology to boost design timing. By operating simultaneously at the transistor, gate, and physical levels, hybrid optimization combines the benefits of...

BER testers include many tools for high-bit-rate serial-data analysis. (Leading edge: what's hot in the design community).
June 26, 2003... Agilent SAYS ITS N4900-series serial BER (bit-error-ratio) testers are the first such instruments to provide built-in true-differential, 50 [ohms] inputs and outputs, CDR (clock-data recovery), and enhanced jitter analysis. These capabilities...

Standards make changes, updates. (Leading edge: what's hot in the design community).
June 26, 2003... The MPLS (MultiProtocol Label Switching) Forum and the FRF (Frame Relay Forum) have merged by unanimous vote to become the MPLS/Frame Relay Alliance. Visit www.mplsforum.org for more details. The organizers of the DDS (Data Distribution...

Copper backplane runs at 10 GBPS. (Leading edge: what's hot in the design community).
June 26, 2003... Winchester Electronics has introduced the SIP1000, a passive-interconnect platform supporting 10-Gbps serial-data transmission over copper backplanes without requiring active-equalization techniques. A single-piece, compression-mount...

Platform supports assertions. (Leading edge: what's hot in the design community).
June 26, 2003... ALDEC'S NEW UNIFIED, assertion-based Riviera-IPT hardware-acceleration platform enhances debugging capabilities and accelerates verification by supporting assertions in both a software and a hardware environment. Using assertions with a...

Move over FFT. (Leading edge: what's hot in the design community).
June 26, 2003... RF ENGINES HAS ADDED high-speed, polyphase DFT to its Ventrix family of cores for applications such as wideband filter banks, radar, sonar, medical instruments, real-time spectral analysis, and multichannel-communications systems with many...

Translator takes logic to a new level. (Leading edge: what's hot in the design community).
June 26, 2003... One headache engineers don't need is to find out that some key ICs have incompatible logic levels. Don't take an aspirin; instead, try the single-bit, low-noise, buffered FXLP34interface from Fairchild Semiconductor. This IC operates from two...

Processor stretches battery life. (Leading edge: what's hot in the design community).
June 26, 2003... MOTOROLA'S new low-power, low-voltage HCS08 8-bit flash-microcontroller family extends the HC08 architecture into 1.8V-battery-powered applications that require smaller packaging along with fewer and smaller batteries. The multiple...

Tools minimize power consumption. (Leading edge: what's hot in the design community).
June 26, 2003... Two NEW PRODUCTS from Magma Design Automation target designers of advanced custom ICs. Blast Rail provides a correct-by-construction rail design that minimizes power requirements, voltage drop, and electromigration problems and eliminates the...

Improving design reuse. (Leading edge: what's hot in the design community).
June 26, 2003... Reusing analog blocks requires significant manual effort to correctly place and size cells. The effort is even greater when you move your design to a new process. Sagantec has developed Anaconda to address these issues. The schematics-driven...

Taming fully differential circuits. (analog angle).
June 26, 2003... MANUFACTURERS MAKE fully differential amplifiers for designs requiring differential drive voltages. Example applications are high-speed ADC inputs, high-speed analog-signal transmission, high-frequency noise rejection, and low-distortion...

Mixed-signal tools of the trade. (baker's best).
June 26, 2003... SOME ENGINEERS WORK MORE ON DIGITAL designs, and others work in the analog domain. The point where these two domains come together could present a troubleshooting challenge. For instance, it is easy to say that one sample from an ADC is all...

Our shortage shortage. (edn.comment).(Editorial)
June 26, 2003... IT WAS ONLY A FEW YEARS AGO that many electronics-industry pundits and self-serving spokespeople were yelling "shortage!" By extrapolating from a few data points, people who should have known better--or perhaps did not want to--asserted that we...

Going with the flow: a sensor that twists and shouts yields precision; not just for draining bathtubs, the Coriolis effect brings flow to the masses--and vice versa. (how it works).
June 26, 2003... MOST PEOPLE WAVE HEARD that bathtubs drain clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere, due to the Coriolis force. This effect is hard to set up as a valid experiment, due to practical challenges...

Narrow the scope: NPUs focus to improve performance. (cover story).(Cover Story)
June 26, 2003... SOME NPU (network-processing-unit) vendors blame the economy for their lagging business. Others blame engineers' resistance to move from difficult-to-design and expensive-to-spin ASICs. No matter what the reason, the number of R&D dollars for...

Develop a standard and get your 15 minutes of fame: every engineer has the potential to develop a standard. All it takes is interest in the profession and the willingness to devote some of your own time to the task. (design feature).
June 26, 2003... STANDARDS PLAY AN IMPORTANT ROLE in electrical and electronics engineering. Most engineers must adhere to standards while designing products and systems, but relatively few engineers are involved in developing them. Standards contribute to...

6.5[micro]A dual comparator and 400mv reference. (Signal conditioning: high performance analog solutions from linear technology).(Brief Article)
June 26, 2003... The LT[R]6700-1/-2/-3 are the industry's first general purpose dual comparators that operate from 1.4V to 18V. Each comparator has one input available externally with the other connected to an internal 400mV reference. The wide supply...

Fixed gain of 2, fully differential input/output amplifier is stable with time and temperature. (Signal conditioning: high performance analog solutions from linear technology).
June 26, 2003... The LTC[R]1992-2 represents a new class of fully differential input and output amplifiers with a fixed gain of two. It provides significant performance improvement over discrete op amp solutions for driving differential signals in precision...

Ultralow noise 200kHz to 10mHz filter provides [+ or -] 0.25dB channel matching. (Signal conditioning: high performance analog solutions from linear technology).
June 26, 2003... The LT1568 is an ultralow noise (92dB SNR), high frequency filter building block for channel antialiasing or reconstruction applications. It provides a pair of 2nd order filter sections with excellent matching characteristics integrated on a...

Low noise fully differential ADC driver has 20MHz lowpass filter onboard. (Signal conditioning: high performance analog solutions from linear technology).
June 26, 2003... The LT6600-20 is a high speed fully differential input and output device that integrates the task of an antialiasing filter and a differential driver on a single chip. The integrated 20MHz filter offers additional band limiting while the fully...

Embedded USB gains ground: with new portable-networking and high-speed options, a growing number of embedded-device designers are adopting the USB for peripheral interface and data transfer. (Tech trends).
June 26, 2003... ALTHOUGH USB TECHNOLOGY is firmly entrenched in the desktop-computing world, it has been slow to catch hold in embedded devices because of its host-centric topology, software complexity, and relatively high power requirements. Many designers...

A clock for all reasons, part 1: monolithic oscillator invigorates instrumentation applications; in addition to their common role as clock sources in digital systems, oscillators play an important role in instrumentation applications. A simple and tunable oscillator boosts the performance of a range of circuits. Part 1 of this series presents an RTD digitizer, thermistor-to-frequency converters, and relative-humidity digitizers. (Design feature).
June 26, 2003... OSCILLATORS ARE FUNDAMENTAL circuit building blocks. A substantial percentage of electronic apparatus use oscillators as timekeeping references, as clock sources, for excitation, and for other tasks. The most obvious oscillator application is a...

Don't overlook cable and connector imbalances in POE applications: using network wiring to supply power to networked devices makes installing the devices much easier. Whereas POE (Power-Over-Ethernet) designs aren't rocket science, designers still have to know what they're doing. (design feature).
June 26, 2003... ONE OF THE GREAT SUCCESS STORIES of the information age has been the advent of LANs. By interconnecting PCs and their peripherals into a common LAN, you can share all the information and work of each. With implementation costs steadily...

Gate-drive method extends supply's input range. (design ideas).
June 26, 2003... INDUSTRIAL AND TELECOM applications often require a nonisolated, low-voltage supply from a high-voltage input. IG manufacturers have responded to that need with the application of high-voltage processes and offer control ICs that work to 50V...

Active-clamp/reset-PWM IC becomes more versatile. (design ideas).
June 26, 2003... THE UCC3580 (www.ti.com), I[C.sub.1] in Figure 1, is an active-clamp/reset-PWM IC that has all the requisites of a power-supply IC except for current limit. You can use the shutdown pin (16) for this purpose (see the UCC3580 data sheet). But...

Circuit provides hiccup-current limiting. (design ideas).
June 26, 2003... CURRENT-LIMIT PROTECTION is an essential feature for power-supply systems. The three major types of current-limit-protection mechanisms are constant, foldback, and hiccup. Hiccup current limit performs the best of the three types; however, the...

Microcontroller provides SRAM battery backup. (design ideas).
June 26, 2003... TO MAINTAIN CONTENT in the event of power loss, many designs that include SRAM require a dedicated device that can automatically switch from a standard power supply to battery operation. Microcontrollers seldom find use in power-switching...

Positive regulator makes dual negative-output converter. (design ideas).
June 26, 2003... SOME SYSTEMS, such as optical networks, require more than one negative voltage. A common procedure is to boost the main negative supply of -5V to -10V and then reduce it with a linear regulator to -9V. The -5V itself comes from a positive...

Analog switch frees stuck [I.sup.2]C bus. (design ideas).(Brief Article)
June 26, 2003... THE DUAL-CHANNEL PCA9540 [I.sup.2]C multiplexer often breaks up an [I.sup.2]C or SM bus or allows you to use devices with the same addresses on the same bus. When the PCA9540 initially powers up, it comes up in a state in which both channels...

80V linear regulator is micropower: design note 314. (Design Notes).
June 26, 2003... Introduction Industrial, automotive and telecom applications pose tough design challenges due to harsh operating environments and large voltage transients on already high (12V to 48V) rails. Some switching power supplies are robust enough...

Growing a spine: developing the high-speed home backbone. (commverge[TM]: the data stream for convergence product teams).
June 26, 2003... ENTERTAINMENT-CENTRIC HOME networking is coming. Unfortunately, most homes aren't equipped to handle it. For example, some observers expect that many consumers will soon want to distribute HDTV streams from a central receiver/storage device...

Price it to move. (Editorial).(Editorial)
June 26, 2003... BACK IN HIGH SCHOOL, I worked at a family-owned butcher shop in my hometown. As part-time jobs went, it was better than most. In fact, I even learned a thing or two beyond how to cut filet mignons--things that actually had relevance beyond the...

Screening zoom. (Gear: concept validation).
June 26, 2003... Forget about being tethered to a TV while enjoying video entertainment. The Video AV340 carries up to 80 hours of MPEG-4 video on its 40-Gbyte hard disk and offers playback via its own 3.8-inch color screen or a TV set. The $630 unit also...

Faster finding. (Gear: concept validation).
June 26, 2003... The Navman GPS 3450, which turns an iPAQ Pocket PC into a GPS navigation system, includes both hardware and software improvements designed to get you where you're going faster. On the hardware side, the device features a GPS chipset that fixes...

Colorful friend. (Gear: concept validation).
June 26, 2003... The T-Mobile Sidekick, the multifunction wireless device based on Danger's hiptop design, now comes with a color screen. The $300 unit handles Web browsing, instant messaging, email, snapshot sharing, games, and--oh yeah--voice calls. Users who...

Fills up fast. (Gear: concept validation).
June 26, 2003... The HD-PVR330, which combines HDTV reception with PVR (personal video recorder) functions, provides a stark illustration of the storage demands imposed by HDTV. The unit features an 80-Gbyte hard-disk drive, yet records only eight hours of...

Ear bug. (Gear: concept validation).
June 26, 2003... Billed as the world's smallest hands-free headset (45 by 25 by 25 millimeters and 9.85 grams), the BlueSpoon Digital connects to the user's mobile phone via Bluetooth and offers voice-activated dialing and answering. Instead of wrapping around...

Automotive socket/plug assemblies promote IDB-1394 networking. (Connectors).
June 26, 2003... Lumberg's family of cable assemblies and corresponding board-mount receptacles is fully compliant with the IDB-1394 specification, an automotive-grade version of the IEEE 1394 standard. Four versions of cable assemblies are available in maximum...

Serial ATA connectors link server and network-storage equipment. (Connectors).
June 26, 2003... Available in press-fit, surface-mount, and through-hole styles, this line of serial ATA connectors can be used to connect disk drives to backplanes in servers and network-storage equipment. The devices accommodate 1.8-, 2.5-, and 3.5-in. form...

Cable assemblies target wireless applications. (Connectors).
June 26, 2003... MHF series cable assemblies satisfy IEEE 802.11a/b standards for wireless designs, including WLAN, RF test points, and PDA devices. MHF jumpers employ small, low-profile connectors that occupy minimal board space while maintaining...

Connector links board to ribbon cable. (Connectors).
June 26, 2003... A 1.27-mm pitch connector joins the SMC series, providing a reliable connection between a pc board and an IDC ribbon cable with just one component. The connector comes in 12-, 26-, and 50-pin versions with a pick-and-place cover and...

SCA2 receptacle expands space between backplane and hard drive. (Connectors).
June 26, 2003... An extended-height, compliant-pin SCA2 (Single Connector Attachment-2) receptacle allows greater spacing between a backplane and a direct-mating disk drive. The pc-board-mount device comes in 80- and 40-pin versions for SCSI-3 and Fibre Channel...