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Content tagged with Analog ICs
posted in April 2002
Pragmatic TCM Using 8-PSK in Satellite Communications
Design How-To  
4/30/2002   Post a comment
Satellite transponders employ specialized modulation schemes to improve bandwidth utilization. S. Jayasimha of India's Signion Systems describes the implementation of a Trellis-coded modulation technique using an "industry standard" 64-state, rate 1/2 convolutional code on M-ary PSK constellations.
Year-old Bermai packs all functions for 5-GHz wireless LANs in one chip
News & Analysis  
4/29/2002   Post a comment
LAS VEGAS -- In a move that's certain to raise the stakes in wireless local area networks, startup Bermai Inc. plans to formally launch its single-chip solution for 5-GHz wireless LANs at the NetWorld+Interop trade show here this week. The year-old fabless chip company is jumping into a crowded market, claiming to be the first to offer a single "radio chip" for the emerging 802.11a wireless LANs.
IXYS to acquire Clare in $55 million merger deal
News & Analysis  
4/23/2002   Post a comment
SANTA CLARA, Calif. -- Power semiconductor maker IXYS Corp. here today announced an agreement to acquire Clare Inc. of Beverly, Mass., a supplier of high-voltage ICs, solid-state relays, mixed-signal ASICs and drivers for organic light emitting diode (OLEDs).
Intrinsity aims 2-GHz Adaptive Signal Processors at beating DSPs
News & Analysis  
4/22/2002   Post a comment
AUSTIN, Tex. -- In a move to applying its dynamic logic technology to high-speed embedded processing applications, Intrinsity Inc. today announced plans to offer a 2-GHz adaptive signal processor, based on a matrix-computing engine and a souped up 32-bit RISC core, licensed from MIPS Technologies Inc.
A Novel SPWM VVVF AC Drive Using a Discrete Analog Approach with SCF
Design How-To  
4/19/2002   Post a comment
Although AC induction motors are widely used, it is difficult to control the speed of these components. Rodel Vincent Andrada y Corcuera of the University of the Philippines-Diliman describes a novel and cost-effective type of DC-to-AC inverter circuit for induction-motor speed control.
Voice-over-Internet chip sales to reach $1.4 billion by 2006, says report
News & Analysis  
4/17/2002   Post a comment
TEMPE, Ariz. -- The packet voice equipment market has almost completed the changeover from frame relay-based technology to voice-over-Internet protocol (VoIP), with channel/port shipments expected to grow at a 116% compound annual rate between 2001 and 2006, according to a new report from Forward Concepts here.
Xicor buys analog development startup to expand mixed-signal efforts
News & Analysis  
4/17/2002   Post a comment
MILPITAS, Calif.--Xicor Inc. today announced it has acquired privately-held Analog Integration Partners LLC, a developer of analog signal processing and data conversion circuits based in Milpitas. The purchase was completed on Tuesday for $15 million in stock and cash, said Xicor, also based in Milpitas.
Programmable EMI for automotive microcontrollers
News & Analysis  
4/17/2002   Post a comment
A typical high-end car of today makes use of 50 to 60 microcontrollers to perform tasks in all areas. Today's high-end microcontrollers in automotive applications are 32bit processors running at 50MHz clock speed and more. The problem is that these microprocessors interfere electromagnetically with other applications in the car, like the audio entertainment system or other parts of the control system. There are several methods that can be used to keep EMI to an absolute minimum.
Integrated active video filters in multimedia
News & Analysis  
4/17/2002   Post a comment
The increased demand for consumer multimedia systems challenges system designers to provide cost-effective solutions to capitalise on the growth potential in graphics display technologies. These applications will require cost effective filtering solutions to deploy high-quality display technologies rapidly and effectively to the target audience.
Precision thermal monitor makes simple (yet accurate) heat source
News & Analysis  
4/15/2002   Post a comment
Fred Hamilton's circuit uses thermal coupling between a transistor diode and a load resistor to read temperature and airflow. (We redrew the circuit for publication in Planet Analog magazine, but we could resist reproducing Fred's hand-drawn diagram here: It reminded us so much of the "pease-o-grams" from . . . you know . . . that other famous National guy.
Health monitor techniques differentiate PCs by more than their color
News & Analysis  
4/15/2002   2 comments
Acoustic noise reduction - along with superior audio quality - allows PC marketing and sales to differentiate systems based on the real world functionality that consumers desire. From Planet Analog magazine, ADI offers this assessment.
ST to buy Alcatel Micro for $343 million, sell mixed-signal business to AMI
News & Analysis  
4/15/2002   Post a comment
PARIS -- In a complex series of transactions, STMicroelectronics today announced it has agreed to acquire Alcatel Microelectronics from telecom giant Alcatel SA for 390 million euros ($343 million) in cash. But in an usual twist, STMicroelectronics turned around and announced it had also agreed to sell the mixed-signal business of Alcatel Microelectronics to AMI Semiconductor Inc. of Pocatello, Idaho.
Wireless hits data rate barrier
News & Analysis  
4/15/2002   Post a comment
Broadband wireless access systems are faced with a major challenge: to provide subscribers with high data rates over nonline-of-sight fading channels at wireline reliability. The requirement for high reliability arises from performance expectations set by competing broadband technologies-namely, cable modems and digital subscriber lines, both of which operate over wires.
OFDM kills multipath distortion
News & Analysis  
4/15/2002   Post a comment
High-spectral-efficiency quadrature amplitude modulation (QAM) is used over many communications media such as twisted pair, coaxial cable, fiber optics and radio to carry high-speed digital communications.
IEEE 802.16 marks broadband wireless access maturation
News & Analysis  
4/15/2002   Post a comment
Fixed broadband wireless access (BWA) has, for several years, been expected to serve as one of the three primary technologies supporting ubiquitous broadband access.
How wireless LANs can be integrated with GSM networks
News & Analysis  
4/15/2002   Post a comment
For seasoned road warriors who spend time at airports, hotels or conference centers, the chance to easily obtain secure, high-speed data access for laptops or PDAs is a real business plus.
Free-space optics leaps last mile
News & Analysis  
4/15/2002   Post a comment
While the fiber-optic backbone is already widely installed, only 5 percent of commercial buildings in the United States have fiber to their door, even though most are within a mile of a fiber-optic line, and many are within a few hundred feet.
Flexibility key to NLOS fixed wireless deployments
News & Analysis  
4/15/2002   Post a comment
Successfully deploying a fixed broadband wireless (FBW) network depends on two key factors: flexibility in planning radio frequency (RF) network layouts and line-of-sight (LOS)/non-line-of-sight (NLOS) conditions.
Fixed wireless access rides wave of support
News & Analysis  
4/15/2002   Post a comment
Despite the much-publicized demise of fixed broadband wireless access (FBWA) providers such as Winstar and now XO Communications, and the cessation of rollouts by Sprint and Worldcom, the FBWA market is alive and well, thanks to a ground-swell of support for wireless Internet service providers (W-ISPs) operating in the unlicensed bands.
Fixed broadband wireless access versus wireless LANs
News & Analysis  
4/15/2002   Post a comment
The demand for broadband access to information created a new generation of wireless solutions both for the home and enterprise environment.
Broadband confronts cost barrier
News & Analysis  
4/15/2002   Post a comment
It is no secret that the telecom industry as a whole is in full retreat.
Linear Technology opens Vermont design center
News & Analysis  
4/11/2002   Post a comment
Linear Technology Corp., Milpitas, Calif. has opened its eighth design center in the backyard of IBM Corp.
Alcatel teams with MPower to develop ICs for smart battery packs
News & Analysis  
4/9/2002   Post a comment
BRUSSELS -- Alcatel SA's semiconductor unit here and Scotland's MPower Batteries Ltd. today announced a development alliance for innovative chips in smart battery packs used in cellular phones, private mobile radios, personal digital assistants (PDAs), and digital cameras.
Photonic designs drive new application areas
News & Analysis  
4/8/2002   Post a comment
Sensors are an essential interface that connects the world of electronics with external reality.
CMOS image sensors combat noise
News & Analysis  
4/8/2002   Post a comment
It has been nearly 10 years since modern CMOS active-pixel image sensors first demonstrated their potential for high-quality image capture.
Light sensors power new products
News & Analysis  
4/8/2002   Post a comment
With the development of the microprocessor and the digital signal processor, highly sophisticated instruments have become part of our daily lives.
Flexible timing key to CCD design
News & Analysis  
4/8/2002   Post a comment
Charge-coupled devices (CCDs) are the image sensor of choice for digital imaging applications.
Detector/filter provides higher accuracy alternative to spectral LEDs
News & Analysis  
4/8/2002   Post a comment
Measuring the average intensity of the visible radiation emitted from an LED is a critical issue, not just for developers of electro-optical instrumentation and photonics measuring devices, but also federal and international regulatory agencies.
Adaptive biasing offsets temp drift
News & Analysis  
4/8/2002   Post a comment
The main objective of an electronic circuit that deals with sensors is to provide a "clean" signal to a control unit that behaves in a directly proportional way to the physical quantity to be measured.
Canada's SiGe Semi moves into fiber optics IC market
News & Analysis  
4/8/2002   Post a comment
OTTAWA, Canada -- SiGe Semiconductor Inc. today announced its entry into the IC market for optoelectronics with the launch of two transimpedance amplifiers and an automatic gain control device for fiber-optic modules in routers, modems and cross connect systems supporting 2.5-gigabits-per-second OC-48 and STM-16 transmission rates.
Secrets Revealed: Creating accurate LVDS IBIS models
News & Analysis  
4/3/2002   Post a comment
High-speed communications and networking systems are making increasing use of low-voltage differential signaling. In this tutorial, a young engineer in Fairchild's Ensigna Labs shows how to model LVDS' pull-ups and pull-downs.
UMC and Micronas collaborate on flat-panel video TV chip
News & Analysis  
4/2/2002   Post a comment
HSINCHU, Taiwan -- United Microelectronics Corp. here and Germany's Micronas GmbH announced collaboration in the production of a new low-cost flat-panel video controller IC, using UMC's 0.18-micron mixed-signal CMOS process technology. The device, designed by Micronas, is aimed at simplifying and lowering the cost of video and TV in systems using liquid-crystal displays (LCDs) or plasma displays instead of picture tubes.
On Semi names Madavi as chairman after executive leaves TI
News & Analysis  
4/2/2002   Post a comment
PHOENIX--After recently leaving Texas Instruments Inc. as the head of TI's high-performance analog business, Syrus Madavi has become the executive chairman and chairman of the board at On Semiconductor Corp. in Phoenix.


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Max Maxfield

Creating a Vetinari Clock Using Antique Analog Meters
Max Maxfield
54 comments
As you may recall, the Mighty Hamster (a.k.a. Mike Field) graced my humble office with a visit a couple of weeks ago. (See All Hail the Mighty Hamster.) While he was here, Hamster noticed ...

EDN Staff

11 Summer Vacation Spots for Engineers
EDN Staff
11 comments
This collection of places from technology history, museums, and modern marvels is a roadmap for an engineering adventure that will take you around the world. Here are just a few spots ...

Glen Chenier

Engineers Solve Analog/Digital Problem, Invent Creative Expletives
Glen Chenier
11 comments
- An analog engineer and a digital engineer join forces, use their respective skills, and pull a few bunnies out of a hat to troubleshoot a system with which they are completely ...

Larry Desjardin

Engineers Should Study Finance: 5 Reasons Why
Larry Desjardin
45 comments
I'm a big proponent of engineers learning financial basics. Why? Because engineers are making decisions all the time, in multiple ways. Having a good financial understanding guides these ...

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