EDN articles from October 2003

EDN archives from October 2003

Buff your geekspeak.(leading edge: what's hot in the design community)
October 2, 2003... "Half the guys on your fireteam are llamas, total smacktards who couldn't hit the side of a barn with a BFG, much less a standard assault rifle. And the other half committed so many TKs they might as well have been fighting on the other side."...

Fingerprint scanner sweeps PDA and handset market.(leading edge: what's hot in the design community)
October 2, 2003... FUJITSU MICROELECTRONICS AMERICA has introduced the MBF310 capacitive fingerprint Sweep Sensor. Swipe or sweep fingerprint scanners take up less space than full-image scanners, which must be as large as the size of the print they take an image...

Debugger/programmer speeds HCS12-software development.(leading edge: what's hot in the design community)
October 2, 2003... SOFTEC MICROSYSTEMS recently unveiled its inDART-HCS12 in-circuit debugger/programmer-development tools for the Motorola HCS12 flash-micro-controller family. The inDART-HCS12 takes advantage of Metrowerks Code-Warrior HCS12 IDE (integrated...

PXI modules target RF-communications test.(leading edge: what's hot in the design community)
October 2, 2003... ALTHOUGH A FEW COMPANIES HAVE already introduced RF-test modules in the 3U Eurocard PXI format, Aeroflex says that the four new units in its PXI 3000 series and four accompanying software packages represent the format's first real RF...

Dilbert.(leading edge: what's hot in the design community)
October 2, 2003... CAROL, YOU CAN'T KEEP ACCEPTING BRIBES FROM SALES PEOPLE WHO WANT ACCESS TO ME. BAD! DIDN'T A VENDOR RECENTLY TAKE YOU ON A GOLF TRIP TO VEGAS? THAT IS SO-O-O DIFFERENT! LET'S COMPARE PRICE SHEETS. [ILLUSTRATIONS OMITTED]...

Sony's PlayStation 2 has outshipped its best-selling older sibling, PlayStation. (leading edge).(Brief Article)
October 2, 2003... * Sony's PlayStation 2 has outshipped its best-selling older sibling, PlayStation, by a margin of 60 million units to roughly 37.5 million units, according to the company.--The New York Times, Sept 9, 2003 * According to a report from the...

Battery keeps its cool despite heat.(leading edge: what's hot in the design community)
October 2, 2003... As applications for remote sensing increase, so do the real-world stresses on components. Maxell's CR2450 series of coin cells target use in the pressure-sensing tags that will monitor tire pressure under the new federal mandate, but you can...

Breaking the time barrier.(leading edge: what's hot in the design community)
October 2, 2003... SOMETIMES, HOST DEBUGGING and single-stepping through your software code is insufficient to uncover the reason that your embedded system is failing. Some failures require you to observe the system under real-time operating conditions to track...

RF connector shrinks to match hot applications.(leading edge: what's hot in the design community)
October 2, 2003... Connectors are relatively large, passive components in many designs, but the MMCX micro-miniature RF connector from Tyco Electronics is 35% smaller than the company's MCX series. Designed for dc to 6-GHz operation, the 50 [ohm],connector has a...

Receiver IC needs no production tweaking.(leading edge: what's hot in the design community)
October 2, 2003... DESIGNERS OFTEN IMPLEMENT low-cost receivers for keyless-remote-control and other applications with discrete components for minimum cost, using the venerable super-regenerative architecture, and these approaches work reasonably well. But they...

They still make Schottkys, don't they?(leading edge: what's hot in the design community)
October 2, 2003... IN THE WORLD of million-active-device ICs, it's hard to believe that the simplest of all semiconductors--the diode--still has a vital role. But it does, as International Rectifier's IR140CSP FlipKY Schottky diode demonstrates. The manufacturer...

Learn and lunch with leaders.(leading edge: what's hot in the design community)
October 2, 2003... In conjunction with the Microprocessor Forum on Oct 15 in San Jose, EDN is hosting its first "Learning from the Leaders" luncheon. Come enjoy lunch and hear keynote speaker TJ Rodgers, chief executive officer of Cypress, along with a series of...

500-MHz, 5G-sample/sec/channel DSO with memory of 1 million points per channel: now $10,990.(leading edge: what's hot in the design community)
October 2, 2003... LECROY SAYS that the five models in its WaveRunner 6000 series of digital scopes will propel the market to a new price/performance point. The new instruments offer maximum bandwidth of 2 GHz--compared with 6 GHz for the highest bandwidth...

Controller is cannier than its predecessor.(leading edge: what's hot in the design community)
October 2, 2003... The MCP2515 CAN (controller-area-network) controller is compatible with the footprint and functions of Microchip's earlier MCP2510, but it also adds features and functions that simplify the task of its associated processor. In addition to a...

Automotive-power-switch IC is no dummy.(leading edge: what's hot in the design community)
October 2, 2003... THE IR331X FAMILY of automotive-power-switch ICs from International Rectifier performs intelligent high-side power switching in nominal 12V auto applications. It not only sets current flow on or off based on your control input, but also...

Integrated ADSL chip set drops analog traces.(leading edge: what's hot in the design community)
October 2, 2003... TEXAS INSTRUMENTS new 16-port AC7 multiservice ADSL CO (central-office) chip set is the company's seventh-generation CO offering. The two-tier chip set, including a digital processor that integrates an analog front end, provides further...

Rise time of lossy transmission lines.(signal integrity)
October 2, 2003... SUPPOSE YOU CASCADE two lowpass filters having rise times [t.sub.a] and [t.sub.b]. You can estimate the rise time of the combination ([t.sub.a+b]) according to the root-sum-of-squares (RSS) formula: [t.sub.a+b] = [square root of...

Designer's death wish?(edn.comment)(Editorial)
October 2, 2003... THE DESIGN ENGINEERS who read EDN do lots of great things, and they do them well. And that's the problem. This good-news/bad-news situation hit me while I was reading a recent article (Reference 1). The article showed how the proliferation...

Calling out the umpires: software aims to take subjectivity out of the strike zone.(how it works)
October 2, 2003... IF YOU'RE A BASEBALL FAN, you've no doubt told yourself a time or two that you could do a better job than the home-plate umpire, but can a computer? Sports-technology company QuesTec Inc (www. questec.com) has developed a system that is already...

Get a grip: connecting mobile devices: with the rapid convergence of handheld electronics and wireless technologies, designers are scrambling to meet the surging demand for new mobile devices.(hands-on project)
October 2, 2003... In TODAY'S FAST-PACED, competitive business environment, embedded-system customer have discovered the benefits of portable devices for remote monitoring, control, and data delivery. With a networked-computing device in the palm their hand,...

Uncovering the truth in benchmarks: benchmarks are supposed to save you time when analyzing and comparing systems. But getting true value from benchmarks usually means reverse-engineering what each score means and applying those insights to your situation.(design feature)
October 2, 2003... A BENCHMARK IS A POINT OF REFERENCE by which you can consistently measure, quantify, and compare the value and quality of two or more similar alternatives, such as business processes, tools, and embedded processors. For embedded processors,...

Designing controlled-impedance vias: preserve pc-board signal integrity with this unique method for creating layer interconnects (vias) that closely match the signal-trace impedance.(design feature)
October 2, 2003... AS DATA-COMMUNICATION SPEEDS increase beyond 3 Gbps, signal integrity becomes crucial for successful data transmission. Board designers try to eliminate every impedance mismatch along the high-speed signal path, because those discontinuities...

Voice-over-broadband SOCs: a smarter way to slice the pie: the highest degree of integration isn't always the most cost-effective way to partition these intriguing devices.(design feature)
October 2, 2003... A GROWING NUMBER OF BUSINESSES and households already enjoy high-speed Internet connections using cable or DSL (digital-subscriber-line) modems. To meet the demand for such services, semiconductor companies have been quick to provide broadband...

High current step-down controller regulates to 0.6v output from 3v input--design note 322.(Design Notes)
October 2, 2003... Introduction The LTC[R]3832 is a voltage mode, high efficiency, high power step-down switching regulator controller that can operate from input voltages as low as 3V. It integrates a 0.6V reference voltage, two powerful MOSFET drivers and...

DDS circuit generates precise PWM waveforms.(design ideas)
October 2, 2003... PULSE-width modulation is a simple way to modulate, or change, a square wave. In its basic form, the duty cycle of the square wave changes according to some input. The duty cycle is the ratio of high and low times in the square wave. A waveform...

High-CMRR instrumentation amp works with low supply voltages.(design ideas)
October 2, 2003... MODERN BATTERY-CELL voltages of 3 to 3.6V require circuits that offer efficient low-voltage operation. This Design Idea proposes an ac-coupled instrumentation-amplifier design that features high CMRR (common-mode-rejection ratio), wide dc...

Use a DAC to vary LVDT excitation.(design ideas)
October 2, 2003... LVDTs (linear variable differential transformers) are electromechanical measuring devices that convert the position of a magnetic core into electrical signals. You generate these signals via excitation on the primary side. The results on the...

LED lamps bring full color to portable devices.(Optoeletronics/displays)
October 2, 2003... Surface-mount RGB LED lamps handle backlighting, edge-lighting, and status indication in mobile phones and other portable devices. The QTLP650D-RGB is a top illuminating lamp in a 1210 package with a 3.2 x 2.7-mm footprint, 1.1-mm height,...

Light rods meet specialty illumination needs.(Optoeletronics/displays)
October 2, 2003... With an LED light source and wiring harness for plug-and-play operation, these optical grade acrylic plastic rod-shaped light guides come in machined, extruded, and molded versions for use in a range of custom applications. The rods provide...

Solid-state light sources deliver as much as 5000 mcd.(Optoeletronics/displays)
October 2, 2003... Incorporating three to 24 LED chips per unit, PolyLED lamps furnish the fight collimation of leaded discrete LEDs in an integrated package with built-in metallized reflectors and molded protruding lenses. Sizes and shapes include 11-, 17-, 24-,...

Sue me!(leading edge)
October 16, 2003... "First, that the parents knew of the infringement and, second, that the parent caused or materially contributed to the infringement. That would be hard to prove." --Ohio State University law professor Peter Swire, regarding the Recording...

Tiny module fits DSP applications.(leading edge)
October 16, 2003... TRAQUAIR DATA SYSTEMS recently announced the ultracompact UC 1394a-1 multichip embedded-DSP module with supporting evaluation kits for DSP and embedded-image-processing applications. The module provides developers with a 400-MIPS...

IR photosensor sees lots, tells enough.(leading edge)
October 16, 2003... WITH ALL THE ATTENTION that RF-based cordless links are getting, it's easy to forget that IR connectivity finds use in millions of units for those ubiquitous specific-function consumer-product remote controls, as well as general sensing...

Transformer feels your current yet eschews physical contact.(leading edge)
October 16, 2003... Providing current-sensing for power supplies and current-detection applications, a surface-mount transformer from Vishay again shows the versatility of this venerable passive device, which Michael Faraday invented in the mid-19th century. ...

Processor expands configurable on-chip analog performance.(leading edge)
October 16, 2003... CYPRESS MICROSYSTEMS' PSOC (programmable system-on-chip) devices integrate a 24-MHz, 8-bit microcontroller core with field-programmable, mixed-signal arrays; flash memory; and a MAC (media-access controller). The devices feature dynamically...

$49 controller module enables embedded GUI.(leading edge)
October 16, 2003... Princeton Technology Group recently unveiled the Thunderbolt GC, an FPGA-based graphics processor board that drives most LCDs. Using a preprogrammed instruction set, the module accepts simple serial or parallel commands from a microcontroller...

Dilbert.(leading edge)
October 16, 2003... ASOK WORK IN H.R. IF WE ELIMINATE VACATION DAYS AND INCREASE SICK DAYS... WOULD THE EMPLOYEES FALL FOR OUR TRAP AND MAKE THEMSELVES SICK TO GET DAYS OFF? WHAT?!! YOU'RE IN H.R. NOW. IT'S OKAY TO BE EVIL. EVIL, RIGHT. ...

Leading edge.
October 16, 2003... According to BigChampagne, a market-research company that tracks activity on peer-to-peer networks, about 4.2 million users were on Kazaa at any given time on Sept. 10, 2003, up from 4.1 million on Sept. 9 and nearly 3 million on any given day...

Wi-Fi-semi players refine offerings.(leading edge)
October 16, 2003... MATURITY CARRIES THE SAME characteristics whether you're talking memory, processors, or specialty technologies, such as wireless LAN, which is surely showing signs of maturity. The customer base is starting to make sense of the...

Platform helps you discover mixed-signal designs.(leading edge)
October 16, 2003... TO TAKE ADVANTAGE of growing market segments, such as automotive systems and communications, designers must integrate both digital and analog functions onto one IC. Analog an digital design represent disciplines with different design...

This pipe leaks RF yet needs no plumber.(leading edge)
October 16, 2003... When you need to flood a wide but defined area with RF energy, such as for perimeter security systems, tunnels, and cellular- or 802.11-system interior zones, one approach is to use an RF-leaky feeder cable to provide controlled radiation. The...

Modeling tool now works with 130-nm and smaller geometries.(leading edge)
October 16, 2003... THE INCREASE IN SOC (SYSTEM-ON-CHIP) integration and shrinking semiconductor process geometries challenge designers with new physical and optical effects. For example, resistance as a function of width, metal fill, wire-edge enlargement,...

Communications processor padlocks data.(leading edge)
October 16, 2003... MOTOROLA A DECADE AGO pioneered the concept of the communications processor with the advent of the 68k-based QUICC (quad integrated communications controller), and that family of products now includes models based on the faster Power PC core....

PCI-X mezzanine card features Gigabit Ethernet.(leading edge)
October 16, 2003... DYNATEM'S RECENTLY INTRODUCED PMCX-LAN, A PMC/PMCX-COMPATIBLE, dual-channel, 10/100/1000/BaseT Ethernet controller card, targets use in high-performance networking applications. Using Intel's 82546EB dual-port Gigabit Ethernet controller, the...

Operating system extends wireless and processor support.(leading edge)
October 16, 2003... Accelerated Technology's Nucleus 802.11 STA supports developers building 802.11b or wireless-Ethernet applications. The 802.11b support plugs seamlessly into the Nucleus Net TCP/IP protocol stack, and it supports infrastructure and ad-hoc mode...

Machining system creates pc-board reality show.(leading edge)
October 16, 2003... THE QC9000 machining system from T-Tech can smooth the way when you need to fabricate prototype pc board, build some for test fixtures or low- to moderate-volume production runs, or even do some low-volume production runs. The system rapidly...

Become a virtuoso at custom-IC design.(leading edge)
October 16, 2003... CADENCE'S NEW VIRTUOSO platform adds to the capabilities that the Encounter and Incisive platforms provide. The platform supports custom, analog, RF, and mixed-signal design. With this platform, Cadence is upgrading all of its custom...

IC power amp reaches 2500 MHz.(leading edge)
October 16, 2003... A three-stage power amplifier using MMIC (monolithic-microwave-IC) technology combines a predriver, a driver, and an output stage in a 4-mm-sq, leadless package and provides a typical gain of 44 dB at 1.8 GHz. The UPG2118K from NEC, available...

Matching the amp to the ADC.(baker's best)
October 16, 2003... ENGINEERS FREQUENTLY use operational amplifiers to drive ADCs because of their low output impedance. In this role, an amplifier isolates impedances in the signal chain. You can add other features, such as gain and filtering, around the...

Our menu.(on the verge)
October 16, 2003... AS THEY SAY IN MY NATIVE SOUTH, I've got some 'splaining to do. We've done a poor job of telling you about the many things that we offer online--such as archives. And we've alarmed some of you with talk of where we may go with our online...

High tech at sea level.(Sightings)
October 16, 2003... IN CASE YOU HAVEN'T already added it to your buzz word lexicon, "biomimetics" is the science of studying and then copying nature's own engineering processes. Researchers are finding many innovations worth copying in the earth's most ancient...

For power, pour into the pores.(Sightings)
October 16, 2003... FUEL CELLS hold promise for powering mobile electronic devices because they create power from cheap organic fuels, which might be distributed in liquid-filled cartridges. The rub is that, to generate lots of power, a fuel cell needs lots of...

Printing technology glosses over hidden information.(sightings)
October 16, 2003... IT MAY SOUND IRONIC, but it's true: Researchers at Xerox have developed a technology for making copy proof documents. Known as Glossmark, the technique varies the level of gloss on the page in create holographlike images that contain hidden...

Take a deep breath; then exhale fully: the breathalyzer combines technology, chemistry, physiology, and legality to make a "clear" assessment of blood-alcohol concentration.(how it works)
October 16, 2003... You're probably aware that law-enforcement personnel no longer rely on subjective tests, such as asking a driver to walk a straight line, focus on a moving finger, or meet his or her index fingers in front of his or her nose to asses, whether...

The war on copying: digital-rights-management technology is the next step in providing real protection, but at what cost and to whom?(Digital-rights management)
October 16, 2003... THE COMMUNICATIONS INDUSTRY is ready for an infusion of data, such as digital video, to drive it to recovery, but music, video, and other digital-content owners continue to keep a tight rein on their growing mass of IP (intellectual property)...

The big switch: power- and performance-tuned DRAMs are stealing the show from SRAM.(design feature)
October 16, 2003... AS THE NUMBER OF FUNCTIONS you're squeezing into your system designs increases and as the required amount of code and data RAM proportionally--or, more likely, exponentially--also grows, the cost-per-bit advantage of DRAM over SRAM becomes more...

Low-cost isolated power supply for Power-over-Ethernet (PoE) applications.(Analog Applications Journal Brief)
October 16, 2003... This document describes an easy-to-use, low-cost, isolated power supply to be used in Power-over-Ethernet Powered Devices (PDs). Power-over-Ethernet is an emerging new capability that delivers data and power to internet appliances over existing...

Boundary-scan tips pay board-test dividends: careful attention to pc-board design increases the flexibility of boundary-scan testing.
October 16, 2003... AS A DIGITAL DESIGNER, you probably recognize the benefits of using boundary scan circuits that comply with the IEEE 1149.1 standard. But you can run into difficulty when your circuits involve using devices that do not comply with the...

Virtual machines and stochastic scheduling simplify wireless design: a new approach for wireless design allows designers to integrate multiple, packet-based standards into resource-constrained handset hardware.(design feature)
October 16, 2003... SYSTEM DESIGNERS sometimes refer to the traditional stack-development approach for user equipment handsets as "silo-based" because of its extreme vertical integration between software and hardware and the lack of horizontal integration with...

High-fidelity triangle-wave generator consumes only 6 [micro]A.(design ideas)
October 16, 2003... IDEAL TRIANGLE WAVES involve infinite [d.sup.2]V/[dt.sup.2], so high-fidelity triangle waves entail very high bandwidths. Micro power circuits have fairly low bandwidth, so generating good triangle waves with such circuitry becomes problematic....

High-current driver serves home-power-line modems.(design ideas)
October 16, 2003... HOME-BASED power-line networking signals are similar to xDSL (digital-subscriber-line) signals in that they both typically employ a form of OFDM (orthogonal frequency-division multiplexing). Both applications require high output current, wide...

Circuit forms fast, portable light pulser.(design ideas)
October 16, 2003... THE ABSENCE of a fast one-shot multivibrator in the entire TTL family, as well as the low-voltage swing and unwieldy supply requirements of ECL, drove us to exploit the fast transition times and low propagation delays of F-series gates. The...

3V supply delivers 12V p-p to piezo speaker.(design ideas)
October 16, 2003... LOW-PROFILE PIEZOELECTRIC speakers can provide quality sound for portable electronic devices, but they require voltage swings greater than 8V p-p across the speaker element. Yet, most portable devices include only a low-voltage power source,...

Code provides adjustable differential drive for robots.(design ideas)
October 16, 2003... INTELLIGENTLY modifying the motor-drive commands to a robot can give you control finesse during competitions. Moving a joystick ham right, for example, might have different effects, depending on the robot's speed and direction. Software running...

Microcontroller produces analog output.(design ideas)
October 16, 2003... A BRUSHLESS DC MOTOR needs sever voltage levels to control its speed: 0v to stop the motor, 5V to run it at maximum speed, and some voltages between these extremes to run it slower. When you use such a motor in a system under microcontroller...

Single transistor provides short-circuit protection.(design ideas)
October 16, 2003... IN CERTAIN dc/dc-converter applications, on-chip, cycle-by-cycle current limit may be insufficient protection to prevent a failure during a short circuit. A nonsynchronous boost converter provides a direct path from the input to the short...

New instrumentation amplifiers maximize output swing on low voltage supplies--design note 323.(Design Notes)
October 16, 2003... INTRODUCTION instrumentation amplifiers suffer from a chronic output swing problem, even when the input common mode range and output voltage swing specifications are not violated. This is because the first stage of an instrumentation...

High performance IC sockets and adapters.
October 16, 2003... Industry's largest selection of BGA sockets and test, prototype, and production adapters. Innovative products include family of solder-less GHz Bandwidth BGA sockets, hundreds of adapters for IC package conversions and IC package emulation. SMT...

Flat panel display systems.
October 16, 2003... New catalog features our newest and most popular line of flat panel computers, ThinClient and embedded systems, industrial and OEM monitors, industrial and rack-mount computer and monitors and custom designed systems utilizing the latest...

Globar[R] series 500SP non-inductive bulk ceramic slab resistors.
October 16, 2003... Offers 15 watts per inch of length power dissipation and excellent pulse/overload capability for current limit/soft start, snubber and dynamic braking applications in motor controls. Resistance range from 0.2ohm to 600ohm. Kanthal Globar...

Performance piezo alarms.
October 16, 2003... Chimes, sirens, warbles & beeps are among the unique sounds available in this series of piezo electric alarms. Four mounting options, six termination options & a manual volume control option available. Operating voltages from 1 VDC to 220 VAC,...

Low-cost data acquisition starter kits.
October 16, 2003... Maybe you've always wanted to try PC-based data acquisition. Or maybe you acquire data now but aren't pleased with the results or performance. Here is your chance to discover our solution. Just visit our Web site and choose from DATAQ...

New electronic components catalog.
October 16, 2003... Accurate Screw Machine's catalog is one of the industry's most extensive product offerings. ASM provides same day shipping of stock items, custom parts in one week or less, no minimum quantities, and products are available in inch or metric....

Graphic overlays & membrane keypads.
October 16, 2003... Amazing design options are now possible with NFi's unique full color applied graphic products. With our Design Guide, you'll discover special features to enhance the function and appearance of your products! Receive samples from an ISO...

The superior choice in toroidal power transformers.
October 16, 2003... Toroid Corporation of Maryland designs and manufactures standard and custom toroidal transformers for medical, industrial, and commercial applications, in small to mid-range quantities, and complete with all the safety approvals needed for your...

NAND Flash Applications Design Guide.
October 16, 2003... Toshiba America Electronic Components, Inc. has published a free NAND Flash Applications Design Guide, which offers practical information in understanding the NAND Flash interface, small versus large block NAND, and NAND management guidance,...

2003 audio products guide.
October 16, 2003... Projects Unlimited is a leading developer, manufacturer and supplier of quality audio devices and components including buzzers, alerts and transducers. Our growth and product innovation are the result of listening to our customers. With an...

Single board computers.
October 16, 2003... PC/104, PC/lO4-Plus, EBX, and STD 32 Bus products feature processors from 586 to Pentium III. Perfect for OEM applications. Customer service benefits include a 5-year product availability guarantee and outstanding warranties. Voted Platinum...

Embedded Systems Design Using The TI MSP430 Series-ISBN # 075067623X.
October 16, 2003... Master designing with Texas Instruments' most powerful yet least-known chip series using this real world tutorial. * Get up-to-speed on the TI MSP430 III product family's features and idiosyncrasies * A 'hand-holding' reference to help...

New linear technology data books.
October 16, 2003... The new Linear Technology data books are now available. To get a complete set of data books, contact your local Linear Technology sales office. A complete list of sales offices and contacts can be found at www.linear.com/abnut/contact.html. ...

New EAGLE series soars at blockmaster.
October 16, 2003... BlockMasters new EAGLE series of industrial terminal blocks provides a wide scope of product availability to the industrial market. The EAGLE line is composed of several different product series available in PCB or panel mount versions....

New audio alarm.
October 16, 2003... Model KPE-637 piezo audio indicator, with operating voltage range of 9 to 48 VDC, meets the higher operating voltages forecast for future automotive needs, Flange mounting construction and its voltage range make the KPE-637 the alarm of choice...

Free PXI[TM] Solutions Product Guide.
October 16, 2003... National Instruments PXI Solutions Product Guide features detailed information on the latest PXI/CompactPCI solutions for measurement and automation applications. For your FREE PXI Solutions Product Guide call or visit ni.com/info and enter...

Develop applications in seconds with LabVIEW 7 Express evaluation CD.
October 16, 2003... National Instruments LabVIEW graphical development software helps you acquire, analyze, and present data for a wide variety of measurement and automation applications. LabVIEW 7 Express delivers interactive, configuration development for data...