Advertisement
The Source on Design and Technology for the Wireless and RF Engineer
Subscribe to Wireless Design and Development All
View Sample

FREE WDD Email Newsletter

iPhone Integrates VoIP

October 9, 2008 6:03 am | Product Releases | Comments

Global IP Solutions’(GIPS) VoiceEngine™ Mobile enables VoIP in Apple, Inc.’s iPhone for consumers to use iPhone games, applications and social networking experiences. GIPS’ Internet Engineering Task Force (IETF) iLBC codec standard, a narrowband speech algorithm designed to optimize calls made over the Internet....

Bluetooth Solution Improves Battery Life by Up to 30 Minutes

October 9, 2008 6:03 am | Product Releases | Comments

CSR has collaborated with Intel Corporation to redesign how its integrated Bluetooth chips interacts with a laptop PC. Laptops employing the new technology from CSR and Intel will save up to 1W, providing Intel-based laptops with up to an extra 30 minutes of battery life. Bluetooth Advanced Power Management (APM) can now be designed into Intel mobile processor-based laptops....

TOPICS:

Running for Coverage: A Review of Femtocells

October 9, 2008 6:03 am | Product Releases | Comments

By Peter Thornycroft, Aruba Networks The scale of femtocell deployments (should they become successful) will introduce several orders of magnitude more transmitters than today’s network of cell towers, transforming an already difficult RF management task into something significantly more challenging Femtocells can be described as short-range radios used to extend the cellular network into homes and office buildings....

Advertisement

The Peripheral Value of Bluetooth Low Energy Wireless Technology Part 1 of 2

October 9, 2008 6:03 am | Product Releases | Comments

The simplified Bluetooth low energy wireless technology protocol stack features a lightweight Link Layer (LL) providing ultra-low power idle mode operation, simple device discovery and reliable point-to-multipoint data transfer with advanced power-save and encryption functionalities. By Thomas Embla Bonnerud, Nordic Semiconductor click to enlarge Figure 1....

What are the critical technical challenges of 3-D ICs? And how will this technology impact the semiconductor food chain?

October 9, 2008 6:03 am | Product Releases | Comments

Welcome to Brainstorm! Kathy Cook, 3-D Business Development, SUSS Microtec Semiconductor ICs face constant pressure for increased performance while still decreasing their size. At the same time, their packages must be able to accommodate to new functionalities. 3-D IC is the most ‘integrated’ packaging approach....

Optimizing Wireless Systems with Electromagnetic Simulation

October 3, 2008 6:38 am | Product Releases | Comments

By Remcom, Inc. Electromagnetic simulation has dramatically improved the design of a wide range of wireless systems by making it possible for engineers to simulate their operation and predict their performance without the need for building and testing of prototypes. Electromagnetic simulation has dramatically improved the design of a wide range of wireless systems by making it possible for engineers to simulate their operation and ...

Power Supply Acts as Simulator

September 29, 2008 8:48 am | Product Releases | Comments

Keithley Instruments’ Model 2308 portable device battery/charger simulator is a dual-channel battery- and charger-simulating power supply. The device maintains a stable output voltage in response to pulse loads with a transient voltage drop of www....

Power Supplies Offer High Power Density

September 29, 2008 8:48 am | Product Releases | Comments

Murata Power Solutions’ CF200 and CF3500 Series AC/DC switching supplies have a power density of 8 W/in.³ and 9 W/in.³, respectively. The 200 W CF200-A12C presents a 12 V output and 80% efficiency in a 127 × 84 × 39.6 mm U-channel package. The 350 W CF-350-A12C/A24C/A48C offer 80% efficiency in a 173 × 84 × 36....

TOPICS:
Advertisement

Controller Performs in Half-Bridge Converters

September 29, 2008 8:48 am | Product Releases | Comments

STMicroelectronics’ L6591 PWM controller demonstrates optimization for zero-voltage switching asymmetrical half-bridge converters. The device enables efficiencies of 85% min. at 500 kHz, implements pulse skipping under light-load and no-load conditions, and has a quiescent current of www....

MLCCs Come with Polymer Terminals

September 29, 2008 8:48 am | Product Releases | Comments

Vishay Intertechnology’s VJ0805, VJ1206, VJ1210, VJ1808 and VJ1812 HVArc Guard® SMT X7R MLCCs include optional polymer terminals. The devices have optimization in applications including buck and boost DC/DC converters, voltage multipliers for flyback converters, and lighting ballast circuits....

LDOs Consume Low Current

September 29, 2008 8:48 am | Product Releases | Comments

...

Handheld Analyzers Offer Software Enhancements

September 29, 2008 8:48 am | Product Releases | Comments

Anritsu Company’s Site Master and Cell Master handheld analyzers now include firmware for sweep speed, optical Distance-to-Fault (DTF) measurement capability, post analysis tools and a phase-stable cable with reinforced handgrip. The firmware speeds up sweeps for cables and antennas by 30%. The ODTF-1 optical DTF module gives the analyzers the ability to be a portable fiber tester in remote radio head applications, shows fiber measurements ...

Femtocell SoC Delivers to 25 Simultaneous Subscribers

September 29, 2008 8:48 am | Product Releases | Comments

DesignArt Networks’ DAN2200 WiMAX femtocell SoC provides non-blocking WiMAX performance for up to 25 simultaneous subscribers. The IEEE 802.16e Wave 2-certified component uses software-centric multi-core architecture to exhibt plug-and-play installation, embedded synchronization options and automated installation and operation of WiMAX femtocell clusters....

ICs Manage Power Digitally

September 29, 2008 8:48 am | Product Releases | Comments

Fairchild Semiconductor’s FD2004, FD2004-01 and FD2006 digital power controllers and FD1505 digital power support driver use Fairchild-Zilker’s Digital-DC architecture to manage power digitally. The 5 mm² 32-lead or 6 mm² 36-lead QFN-packaged controllers offer an input voltage range from 3 V to 14 V to control output voltages from 0....

LNAs Exhibit Failsafe Bypass Mode

September 29, 2008 8:48 am | Product Releases | Comments

Hittite Microwave's HMC668LP3E and HMC669LP3E GaAs pHEMT MMIC LNAs utilize an automatically-enabled failsafe bypass mode in automotive, cellular/3G, WiMAX/4G and test equipment applications from 700 to 2,200 MHz. The HMC668LP3E is rated from 700 to 1,200 MHz, and the HMC669LP3E is rated from 1,700 to 2,200 MHz....

Pages

X
You may login with either your assigned username or your e-mail address.
The password field is case sensitive.
Loading