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Content tagged with Analog ICs
posted in February 2008
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RMS power detector precisely measures signals with highly varying crest factors up to 6 GHz
News & Analysis  
2/19/2008   Post a comment
The AD8363 TruPwr™ root-mean-square (RMS) power detector from Analog Devices precisely measures signals with highly varying crest factors up to 6 GHz used in WiMAX/802.16, WCDMA, TD-SCDMA, and LTE applications.
Quad-band polar EDGE power amplifier module for 3G wireless handsets and equipment
News & Analysis  
2/19/2008   Post a comment
AWT6155 from Anadigics is a quad-band polar EDGE power amplifier (PA) module for 3G wireless handsets and equipment. Designed to meet requirements for GSM and EDGE mode operation with Qualcomm's WCDMA and HSPA chipsets, this 3rd generation quad-band polar EDGE PA delivers full power output in a smaller package.
200-watt reference design for game consoles meets Green specs
Product News  
2/19/2008   Post a comment
Power adapter solution delivers 90 percent efficiency at full load
Skyworks significantly increases shipments of GPRS front-end modules for SoC applications
News & Analysis  
2/18/2008   Post a comment
Skyworks Solutions has expanded its position in (GPRS) front-end modules (FEMs) through strategic engagements with leading system on chip (SoC) providers. To date, it has shipped more than 750 million GPRS power amplifiers (PAs) and FEMs.
Power op amp combines high voltage, high accuracy
Product News  
2/18/2008   Post a comment
TI has introduced a precision power op amp, which operates on supplies up to 100 V and delivers a high output current of +/-50 mA with a 150 mA short circuit limit.
Reference design speeds up brushless DC motor control development
Product News  
2/18/2008   Post a comment
Renesas Technology America has introduced a R8C/25-based brushless DC (BLDC) motor control reference platform.
Hall-effect sensor/ASIC integration shrinks current transducers (Part 1 of 2)
Design How-To  
2/18/2008   1 comment
Technology advances allow for flexibility in installation and use of these versatile current sensors
Six-channel supervisor includes individual comparator outputs
Product News  
2/18/2008   Post a comment
Linear Technology Corp. has introduced the LTC2932, a six-channel supply monitor that includes separate open-drain voltage comparator outputs for individual supply monitoring.
Linear power amplifier integrates coupler for power control
Product News  
2/18/2008   Post a comment
Skyworks Solutions Inc. has started to sample a high-efficiency linear power amplifier (PA) for wideband code division multiple access (WCDMA) handsets.
Flip-chip stereo headset amplifier boosts audio in handsets
Product News  
2/18/2008   Post a comment
STMicroelectronics has announced the TS4601, a stereo headset amplifier that improves audio performance, extends battery life and enables more responsive user controls in feature-phone applications.
Variable-gain amplifier supports high-speed, multi-channel data access
Product News  
2/18/2008   Post a comment
ADI's AD8372 VGA features optimum accuracy, gain control and noise figure, allowing cable providers to keep pace with commercial and residential demands for increased bandwidth.
Under the Hood: Flip Ultra camcorder - An ode to clean design
Teardown  
2/18/2008   2 comments
The designers of the Flip Ultra digital camcorder turned ease of use into a fine art in this high-quality, user-friendly, low-cost digital video recorder that makes video sharing with sites such as YouTube and MySpace a snap. See how they did it in this feature and accompanying TeardownTV video.
Dialog Semi lands order from Asustek
Product News  
2/18/2008   Post a comment
Fabless chip vendor Dialog Semiconductor plc (Kirchheim, Germany) succeeded in attracting 3C vendor Asustek as a customer. The Taiwanese company plans to equip its next-generation smartphones with two Dialog ASSPs.
Antenna tuning switch offers industry leading specs
Product News  
2/18/2008   Post a comment
Peregrine Semiconductor's PE42641 SP4T antenna tuning switch is optimized for industry-leading linearity, IMD performance and Class 3, 4000 V ESD. It is well suited for use in GSM/EDGE/WCDMA and CDMA applications.
High performance echo canceller for Asterisk VoIP systems
Design How-To  
2/18/2008   1 comment
This article explains the general causes of echo and the methods of echo cancellation available for Asterisk. It introduces the High Performance Echo Canceller (HPEC) and compares it with the legacy Asterisk echo canceller.
13.75 GHz to 14.5 GHz 1.25 W VSAT power amplifier targets high efficiency requirements
News & Analysis  
2/18/2008   Post a comment
Tyco Electronics has released the M/A-COM MAAPSS0111, a 13.75- to 14.5-GHz, four-stage, 1.25-W power amplifier specifically designed for Very Small Aperture Terminal (VSAT) applications that require high efficiency.
Single-chip, 3.3 GHz to 3.9 GHz WiMAX RF transceiver saves 50 percent BOM cost
News & Analysis  
2/18/2008   Post a comment
Maxim Integrated Products has introduced the MAX2838, a single-chip WiMAX RF transceiver in high-volume production. This device eliminates the costly SAW filter and extra VCO circuitry required by existing superheterodyne solutions, thus saving 50 percent BOM cost, significant component count, and board space.
SIGNAL CHAIN BASICS (Part 8): Flash- and Pipeline-Converter Operation Explored
Design How-To  
2/16/2008   Post a comment
The Signal Chain Basics Series continues with a discussion of two of the basic analog/digital converter (ADC) architectures
Audio line driver cuts cost, components in TV peripherals
Product News  
2/15/2008   Post a comment
The DRV601 2-Vrms-output stereo line driver from Texas Instruments aims to reduce cost and component count and optimize performance in set-top boxes, HDTV receivers, DVD players, gaming consoles and portable media players.
Asterisk VoIP PBX guide
Design How-To  
2/15/2008   Post a comment
Here's a roundup of articles on the Open Source Asterisk VoIP PBX.
Hot swap controller offers adjustable current limit
Product News  
2/15/2008   Post a comment
Linear Technology has introduced the LTC4218 Hot Swap controller for protecting boards with load supply voltages ranging from 2.9 V to 26.5 V.
IMEC tunes in to software defined radio
Product News  
2/15/2008   Post a comment
A software-defined-radio chip design capable of speeds in excess of 100 megabits per second (Mb/s) is available for licensing from the Interuniversity Microelectronics Center (IMEC; Leuven, Belgium).
Agilent Announces New Antenna Design, Optimization Features
Product News  
2/15/2008   Post a comment
New version of AMDS includes Scripting Feature to Design Complex Antennas and Antenna Systems.
Freescale: The next big analog player?
Blog  
2/15/2008   Post a comment
Who could make a big play in analog? Try Freescale Semiconductor Inc.
Gain block amplifier produces high linearity at 1-GHz
Product News  
2/14/2008   Post a comment
Designed to offer high linearity performance at the 1GHz cellular band frequency, WJ Communications' cascadable +5V active bias gain-block amplifier is produced using InGaP/GaAs HBT process technology.
Class AB/D speaker driver delivers high audio performance for mobile devices
Product News  
2/14/2008   Post a comment
Wolfson Microelectronics has introduced the WM9001 mono 1-W switchable Class AB/D speaker driver in small, low-profile packages for mobile device applications.
Analog and Mixed-Signal Design Tools Vendors Reference Chart
Design How-To  
2/14/2008   Post a comment
Reference chart of tools for Analog and/or Mixed-Signal design. Courtesy of Gary Smith EDA.
PCB Tools Vendors Reference Chart
Design How-To  
2/14/2008   Post a comment
Reference chart for Printed Circuit Board (PCB) design tools. Courtesy of Gary Smith EDA.
Under the Hood: When is a chip not a chip?
Teardown  
2/14/2008   1 comment
There are many reasons why a semiconductor component might be branded with markings that differ from those of its actual manufacturer. A case in point is the Apple iPhone, which includes multiple devices from large companies (such as Broadcom, Philips, Samsung and Texas Instruments); all the devices carry Apple package markings.
DLP chipset boosts imaging quality in mobile devices
Product News  
2/14/2008   Post a comment
DLP Technology from TI announced production availability of a DLP Pico chipset, which includes an imaging chip and a processor to enable a new class of handheld and mobile projection products.
AMD unveils multimedia products for media-rich mobile devices
Product News  
2/13/2008   Post a comment
AMD has announced at the Mobile World Congress an expanded portfolio of products and technologies to enable media-rich applications such as mobile TV, 3D games and high-fidelity audio for mobile phones and handheld devices.
The embedded wireless promise: Where do we stand?
Design How-To  
2/13/2008   2 comments
By promising too much and delivering too little, wireless embedded control products have failed to pick up market momentum. What can be done about it?
RF SoC supports global TV standards for cell phones
Product News  
2/13/2008   Post a comment
Samsung unveiled the S3C4F60, a 65-nm single-chip mobile TV SoC, which combines a channel decoder with an RF chip.
Headphone Amplifiers: Choose the right topology for your application
Design How-To  
2/13/2008   Post a comment
Choose the best headphone amplifier type for your application by following the guidelines - using real-world examples - in this article by application engineer John Guy of National Semiconductor.
Vishay : Miniature Z-foil resistors offer ultra-high-precision
Product News  
2/13/2008   Post a comment
Z202 series miniature, ultra-high-precision Z-Foil resistors provide a typical TCR of ±0.05 ppm/°C from 0 to +60 °C, PCR (DR due to self heating) of ±5 ppm at rated power, tolerances to ±0.01 percent, and load life stability of ±0.01 percent.
Radio Architectures, Pt 2: Receivers, LOs, and Mixers
Design How-To  
2/13/2008   2 comments
Wish you knew more about radio architectures? Then this series is for you. Part 2 covers direct-conversion and superheterodyne receivers as well as local oscillators and mixers.
Temperature-compensated resistor optimized for APD biasing
Product News  
2/13/2008   Post a comment
Maxim Integrated Products has introduced the DS1841 temperature-compensated resistor optimized for avalanche photodiode (APD) voltage control in fiber-optic modules.
RF driver amplifier consumes less power in wireless applications
Product News  
2/13/2008   Post a comment
Analog Devices' ADL5321 driver amplifier boosts signal linearity and consumes less power in wireless infrastructure applications, while reducing design complexity and board area in the 2.3 GHz to 4.0 GHz frequency range.
Compensation techniques for driving large-capacitance loads with high-speed amplifiers
Design How-To  
2/12/2008   Post a comment
Understand how to drive these challenging loads and practical compensation techniques
Li-ion battery charger ICs optimize battery life, performance
Product News  
2/12/2008   Post a comment
Freescale Semiconductor has introduced a family of Li-ion battery charger ICs that address the need for highly accurate charging current and output voltages for portable consumer electronics to optimize battery life and performance.
Using WiMedia UWB technology to enable future-generation WPANs
Design How-To  
2/12/2008   Post a comment
This article by a member of the WiMedia Alliance analyzes the performance, immunity and power requirements for next-generation WPANs that will succeed Bluetooth. It also provides the points of comparison between Wi-Fi and WiMedia/Certified Wireless USB technologies.
Ultra-low-power audio codec integrates Class G headphone amp
Product News  
2/12/2008   Post a comment
Wolfson Microelectronics has introduced the WM8900 AudioPlus smart power IC, a high-performance, ultra-low-power audio codec with a Class G, ground-referenced headphone driver, which delivers longer battery life in portable media players and multimedia handsets.
Infineon brings advanced mobile features to low-cost handsets
Product News  
2/12/2008   Post a comment
In an effort to bring advanced mobile phone features such as camera, mobile Internet and audio-entertainment to low-cost markets, Infineon has developed the X-GOLD113 and X-GOLD213, its third generation of single chips manufactured using 65-nm process technology.
ARC buys audio enhancement specialist
Product News  
2/12/2008   Post a comment
ARC International (St. Albans, England) has bought, for $6.5 million, California based Sonic Focus, Inc., a company specializing in audio enhancement technology.
6-channel LED driver line expands with 1-wire interfaces
Product News  
2/12/2008   1 comment
Leadis Technology Inc. is sampling LDS8867, LDS8868 and LDS8869, a family of charge-pump based LED drivers that uses the company's proprietary PowerLite Current Regulator to deliver up to 95% power efficiency for longer battery life.
D/A converters target portable, high-channel count systems
Product News  
2/11/2008   Post a comment
TI has introduced a family of quad-channel D/A converters with ultra-low glitch (0.15nV-s) and an internal 2.5V reference with 2ppm/C temperature drift and 0.02 percent initial accuracy.
Data acquisition system features one differential input
Product News  
2/11/2008   Post a comment
Semtech Corp. launched the latest member of its data acquisition platform, the SX8725, which is a single-channel, 4-mm x 4-mm device that is small enough to reside on a sensor board.
With UWB uptake slow, Bluetooth hops on Wi-Fi
News & Analysis  
2/11/2008   Post a comment
The Bluetooth Special Interest Group will provide a mechanism to let its protocol to ride on top of 802.11 networks while its longer term plan to create a version 3.0 based on ultrawideband technology moves slowly forward, a recognition of the market's rapid adoption of .11n and the relative slowness of UWB to gain traction.
Understand Radio Architectures, Part 1
Design How-To  
2/11/2008   Post a comment
Wish you knew more about radio architectures? Then this series is for you. Part 1 introduces radio architectures, and examines the specifics of an AM detector receiver.
TriQuint shrinks quad-band edge PA modules by 50%
Product News  
2/11/2008   Post a comment
These second-generation EDGE PAs are designed using TriQuint's CuFlip copper bump technology, improving RF performance while reducing current consumption to provide longer device battery life.
<<   <   Page 2 / 3   >   >>


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