June 24, 2002 Magazine Archive

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ISSUE DATE: JUNE 24, 2002

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High-V dc-dc controller, 8-bit microcontrollers, High-density packaging, RF power amps, Bluetooth

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Browse Archived Articles By: Issue | Author | Department | Topic

June 24, 2002 - In This Issue

[Technology Report]
8-Bitters Flourish In A 32-Bit World
Some systems get no respect because they're not glamorous and only need an 8-bit microcontroller to fit the bill. Take a closer look, though. More 8-bit solutions are shipped than any other type of processor, and this market continues to... — William Wong

[Technology Report]
Die And Package Stacking Grow Up
Over the past few years, die stacking has emerged as a powerful tool for satisfying challenging IC packaging requirements. Integrating chips vertically in a single package multiplies the amount of silicon that can be crammed in a given package... — David G. Morrison

[Technology Report]
Exotic Materials Squeeze More Juice Out Of RF Power Amplifiers
Today's designers face an expanding array of transistor choices for use in RF power amplifiers in cellular communication gadgets and third-generation mobile systems. Gallium-nitride (GaN) high-electron mobility transistors (HEMTs) and... — Ashok Bindra

[Technology Report]
After A Slow Start, Bluetooth Shows Its Colors
After being widely booed and criticized last year, Bluetooth is finally here—big time. In fact, last year's embarrassment is today's cool trend and "must have" technology. Now, everyone wants to get on the Bluetooth bandwagon. All the... — Louis E. Frenzel

[Product Innovation]
CMOS DC-DC Controller Tackles High Voltages
Pressure to speed designs to market without compromising reliability and performance isn't the only compelling reason to adopt more integrated voltage converters or controllers in power supplies. The ability to build smaller, lighter, and more... — Ashok Bindra

[Design Application]
Adaptive Computing Overcomes Barriers To 3G Wireless Comm
Handsets employing 3G wireless, and beyond, are expected to have a large number of new features and functions, such as MPEG-4 video and audio. These compute-intensive tasks place major demands on digital signal processors (DSPs)—the IC workhorse... — Bob Plunkett , et al.

[Ideas For Design]
Low Voltage Powers Parallel-Port Interface
For portable-sensing and data- acquisition applications, a laptop computer and its parallel port (LPT) make good bedfellows. Yet in the effort to extend battery life, many microprocessors and entire systems operate with logic levels down to 1.8 V. The... — Phill Leyva

[Ideas For Design]
Dual-Gate Inverter Oscillator Saves Power, Boosts LED Brightness
An LED's brightness is directly proportional to the current through it, which creates a challenge for low-voltage and battery-powered applications. But it's possible to increase an LED's brightness without increasing the system's power requirements.... — Jim Lepkowski

[Ideas For Design]
Versatile Shift-Keying Generator Uses Current-Feedback Amplifiers
Digital information often must travel through analog channels in applications like satellite communication, digital cellular phones, digital microwave communication, and others. This transmission is made possible by the sinusoidal signal-modulation... — Saurav Gupta , et al.

[Editorial]
Will Telematics Be The Springboard To Recovery?
Earlier this year, many of us expected the economy to mostly be back on track by mid-year. Judging from the erratic swings of the stock market and the lackluster performance of many high-tech stocks, we haven't reached that destination. The recovery... — Dave Bursky

[Pease Porridge]
Bob's Mailbox
Dear Bob: I finally got around to reading the Feb. 18 issue of Electronic Design. As always, I read your column entirely. The tirade of several readers (and you) on the extremes of audiophiles brings two comments to... — Bob Pease

[Viewpoint]
The Gang That Couldn't Shoot Straight
We hardly think of our industry's performance in terms of behavior like the Three Stooges or Laurel and Hardy. Yet, it wouldn't be much of a stretch to conjure up such images if we were to tell a visitor from another planet that we in the... — Paul Rosenfeld

[Editor's Notebook]
EDA Tool Interoperability Effort Plods Along Despite Obstacles
Imagine that your design automation tools could all work through a common design-data application programming interface (API) and access a universal design database. The OpenAccess initiative, launched in 1999 under the aegis of the Silicon... — David Maliniak

[Celebrating 50 Years]
Flashback
Flashback > 10 Years Ago JUNE 25, 1992 Maybe the reason "fuzzy logic" has been slow in catching on in the United States is because it just hasn't been taken very seriously, even though Japan has fully... — Staff

[Forefront]
LED Venture Focuses On Solid-State Lighting
LED vendor Lumex of Palatine, Ill., has created a new organization called the Sunbrite Group to develop LED-based lighting solutions. The Sunbrite Group's light sources will target signage, traffic control, automotive signalling, and general lighting,... — David G. Morrison

[Forefront]
RF Power Amplifier Serves Quad Cellular Bands For 2.5G Handsets
Combining high-impedance integrated power-amplifier (HIIPA) packaging with enhancement-mode (E-mode) gallium-arsenide (GaAs) wafer processing, Motorola's Semiconductor Products Sector has crafted a wideband 50-Ω RF power-amplifier module for 2.5G... — Ashok Bindra

[Forefront]
Highly Parallel DSP Architecture Makes Quick Work Of Image-Processing Algorithms
The combination of a high-speed RISC processor and an array of DSP blocks that form a single-instruction/multiple-data (SIMD) parallel processor delivers 4000 MIPS of compute throughput. Targeted at image-processing applications, the CW4011 visual... — Dave Bursky

[Forefront]
Database Finds Die Suppliers
A database created by the Die Products Consortium identifies the companies that supply semiconductor products in die form. Based on a survey of 350 semiconductor suppliers worldwide, the database aids the design and manufacture of multichip packages... — David G. Morrison

[Forefront]
Processor Runs Four Instruction Sets
Most processors run a single instruction set. But the ARM1026EJ-S implements four in hardware, including 32-bit ARM instructions, 16-bit ARM Thumb instructions, ARM DSP instructions, and Java bytecodes. Thumb instructions are more compact than the... — William Wong

[Forefront]
Debug And Design Exploration Tool Finds Out What Makes SoCs Tick
Debugging and verifying system-on-a-chip (SoC) designs is taking an ever-larger portion of overall design cycles. A behavior-based debug system known as Verdi aims to minimize debug cycles by revealing the true behavior of digital IC... — David Maliniak

[Forefront]
DMM/Data-Acquisition System Includes Ethernet Capability
Combining a high-performance digital multimeter (DMM) and data-acquisition system with Ethernet capability, the Model 2701 delivers 6.5-digit resolution (22-bit analog-to-digital conversion) and long-distance networking. Users can set up one or more... — John Novellino

[Forefront]
Mobile Flash Needs No Controller
NAND flash is great for mobile applications—especially with M-Systems' Mobile DiskOnChip. The chip not only includes its own controller, its 1-kbyte boot block can reduce a system's overall bill of materials. Using an intelligent flash... — William Wong

[Forefront]
Cadence And Credence Partner On DFT Technology
With system-on-a-chip (SoC) complexity rising dramatically, so too has the total cost of testing these devices. A technology partnership between Cadence Design Systems of San Jose, Calif., and Credence Systems of Fremont, Calif., will create... — David Maliniak

[New Products]

• Interconnect Technology Encompasses Broad Range Of Applications — Richard Gawel

• Cabinet Cooler Minimizes Air Use While Chilling Down To 20°C — Richard Gawel

• Web Site Provides One-Stop Shopping For Wiring Accessories — Richard Gawel

• Spring Clamp Terminal Blocks Feature Modular Design For Custom Configuration — Lisa Fakhry

• DIN Connector Suits DSX Cross Connection — Lisa Fakhry

• 1U Horizontal Rackmount Enclosures Cool Cards Efficiently — David G. Morrison

• UL 94-5VA Flame-Rated Plastic Enclosure Uses 16 Mounting Bosses — David G. Morrison

• Two-Piece Desktop Enclosures Accommodate Batteries — David G. Morrison

• Desktop Cases Include Sloping Tops For Keypads And Labels — David G. Morrison

• Op Amp Exhibits Low Voltage Noise While Drawing Half The Power — Ashok Bindra

• Stereo Audio DAC For SACD Players Samples Up To 192 kHz — Ashok Bindra

• Op Amp Boosts Slew Rate/Power Ratio By An Order Of Magnitude — Ashok Bindra

• Low-Voltage Analog Switches Offer 19-Ω On-Resistance — Ashok Bindra

• Precision Instrumentation Amplifier Comes In Tiny SOT23 For Under $1 — Ashok Bindra

• Fully Differential Ultra-Low Distortion Amplifier Supports 12- And 14-Bit ADCs — Ashok Bindra

• Power Modules Attenuate Harmonics And EMI Per EN Standards — David G. Morrison

• Power Entry Modules Include RFI Filter And A 20-A Circuit Breaker — David G. Morrison

• Common-Mode Filters Target Power Applications — David G. Morrison

• Varistors Squash ESD In Automotive Designs — David G. Morrison

• 2.45-GHz Bandpass Filter Comes In 0805 Package — David G. Morrison

• Lead-Acid Battery Chargers Stop Memory Effect — David G. Morrison

• 75-W Half-Brick DC-DC Converters Deliver Three Outputs At 88% Efficiency — David G. Morrison

• Instrumentation Supplies Have Three Isolated Outputs — David G. Morrison

• Power Conditioners Guard Sensitive Equipment — David G. Morrison

• 1500-W, 3.3- To 48-V Supplies Meet Emissions Standards — David G. Morrison

• 600-W Supplies Boast Over 200 Output Combos — David G. Morrison

• 100-W Power Supply Measures Just 1 in. High — David G. Morrison

• 130-W DC-DC Converter Provides Fast Transients — David G. Morrison

• Boundary-Scan Controller Offers Fast Ethernet Connectivity — Richard Gawel

• Optical Switch Card Line Cuts Test Costs — Richard Gawel

• 3.3-GHz Pulse/Pattern Generators Boast Rise Times Under 40 ps — Richard Gawel

• Digital Control Power Supply Exceeds 10 kW For Test Applications — Richard Gawel

• EMI Receiver/Analyzer Offers Remote Front End — David Maliniak

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