Use SON To Unlock LTE Success
Ever since the industry’s early days when an army of switchboard operators manually cross-connected calls...
Hardware Design
Tiny Crystals Match Portable Frequency Needs
Practically every electronic device has some kind of crystal resonator that sets the frequency of operation. Thanks to some amazing technological and packaging developments, crystals from AVX Corp., Micro Crystal, and Statek Corp. are shrinking along with the circuits they trigger....
Compact Two-Cell Supercap Charger Offers Automatic Cell Balancing
The LTC4425 is the latest in Linear Technology’s family of two-cell supercapacitor chargers for high peak power, data backup, and “dying gasp” needs in portable and data storage applications....
1-mm Stylus Support Now Available For Capacitive Touchscreens
With a tip that boasts 1-mm accuracy, Cypress Semiconductor’s TrueTouch solution may transform the stylus market for the next generation of capacitive touchscreen phones. It provides additional levels of accuracy and control for text entry, keyboard applications, handwriting recognition, and other functions...
Breakthrough CMOS Power Amplifier Fits 3G Cell Phones
Made with plain-old vanilla CMOS, Javelin Semiconductor’s JAV5001 CMOS power amplifier meets and beats the specs for GaAs PAs—and it’s less expensive. It’s minimizes power consumption across output power levels, resulting in what Javelin calls the lowest battery current in real-world 3G operating conditions...
Single-Key Capacitive Touch Controllers Fit Portable Devices
The AT42QT101X family of single-key touch controllers from Atmel offers power consumption below 17 µA for next-generation portable touch devices for longer battery life....
AISG-Compliant Transceiver Fits Into A Hundredth Of The Space
The single-chip MAX9947 fully integrated AISG-compliant transceiver from Maxim Integrated Products packs a transmitter, receiver, and active filters into a 3- by 3-mm TQFN package that is one-hundredth the size of discrete solutions....
SoCs Enable Next-Generation Baseband Processing For Data
Mindspeed Technologies Transcede T4000 And T4020 SoCs Enable Next-Generation Baseband Processing For Data...
Chips Improve GPS, Wi-Fi Performance
The Atheros Communications AR6003 single-chip 802.11n Wi-Fi transceiver and AR1520 single-chip GPS solution deliver performance that’s better than ever in mobile applications. ...
Integrated Antennas Make MIMO Easier To Implement
The Mobile Mark EDN268-400 Mobile Antenna meets the needs of MIMO applications. It packages three separate antenna elements within a compact rugged radome, with three cable feeds, each with identical frequency coverage....
External DVD Writer Targets Laptops And Netbooks
The Samsung Electronics SE-S084D optical disk drive features a more compact footprint and lighter weight than competitive offerings, the company says, delivering high performance with a USB power source to eliminate electrical outlet requirements. ...
Pioneer Electronics (USA) GM Digital Class D Amps Pack High Power In Compact Design
Announced at this week’s International Consumer Electronics Show in Las Vegas, three class D amplifiers in the GM Digital series from Pioneer Electronics (USA) Inc. offer dynamic, balanced sound quality combined with high power output in an extremely compact chassis, according to the company....
Single-Chip Software-Defined Radios Improve Receiver Performance
Microtune’s MT3141 and MT3511 ICs significantly boost the performance of TV sets and automotive radios....
HD Solution Offers Low-Power HD Video For Next-Generation Netbooks
The Broadcom BCM70015 single-chip Crystal HD enhanced media accelerator solution enables the most advanced, low-cost, low-power, high-definition video playback available on a netbook, the company says. The Crystal HD technology is designed for low-cost netbooks, but can also be used in notebooks and small form factor (SFF) and slim desktops....
Mobile TV Tuner Uses No External Antennas
One of the biggest problems in integrating TV into a cell phone or other small mobile device is the need for an external antenna. MaxLinear has a solution to that problem: the MxL751SM, a high-performance single-chip diversity tuner and ISDB-T 1-Segment (1-Seg) demodulator for mobile and portable TV applications....
80-GHz Spectrum Is Secret To Successful 4G
With Long-Term Evolution (LTE) cellular networks forthcoming and WiMAX already expanding, it is now very clear where the weakness in 4G systems lies: backhaul. There are multiple 60-GHz backhaul solutions on the market and a growing presence of 80-GHz systems....
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