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Content tagged with RF/Microwave
posted in October 2009
"Goodby, UWB, we hardly knew you", or: What happened to ultrawideband?
RF & Microwave Designline Blog  
10/31/2009   4 comments
UWB was supposed to be the next big thing, but things didn't quite work out as promoted
Bluetooth group drops ultrawideband, eyes 60 GHz
News & Analysis  
10/29/2009   6 comments
The Bluetooth Special Interest Group has shelved any plans to use the ultrawideband technology it acquired from the WiMedia Alliance when that group decided in March it would fold, and in its place is conducting due diligence on 60 GHz technology as a possible transport for a future high-rate Bluetooth.
Linear Tech : Downconverting mixers satisfy 4th generation LTE
Product News  
10/28/2009   Post a comment
Linear Technology’s LTC554x family of four high dynamic range downconverting mixers covers the 700MHz to 4GHz wireless infrastructure frequency range.
WiMAX 802.16e compliant radio targets 5 GHz spectrum
Product News  
10/27/2009   Post a comment
BFi OPTiLAS claims to offer the first WiMAX 802.16e compliant radio solution for use in the 5 GHz spectrum released by leading Broadband Wireless vendor Alvarion.
SiRFstarIV modules deliver enhanced GPS receiver capability
Product News  
10/27/2009   1 comment
The first modules, from Vincotech, based on the latest SiRFstarIV technology integrated into the GSD4e chip from CSR open the door for enhanced GPS receiver capability across a broad range of customer applications, including telematics, commercial and consumer mobile devices, providing a significantly improved level of performance.
Book Excerpt--Microwave and RF Design: A Systems Approach (Part 2 of 8)
Design How-To  
10/26/2009   Post a comment
Enhance your understanding of transmission lines and microstrip structures, in theory and practice
Understanding regulations when designing a wireless product in the unlicensed frequency bands
Design How-To  
10/26/2009   Post a comment
The unlicensed frequency bands have special regulations; this article explains how they relate to product design
Wearable vital-signs monitor now CE marked for European sale
News & Analysis  
10/22/2009   Post a comment
Toumaz Technology Ltd. (Abingdon, England), a developer of low-power wireless body monitors, has announced that its Sensium Life Pebble, a body-worn vital-signs monitor, has been awarded a CE mark.
PC maker sees slow road for USB 3.0
News & Analysis  
10/21/2009   1 comment
Description: Intel's decision to wait until 2011 to support USB 3.0 in PC chip sets will put mainstream adoption of the interconnect on hold for a year, said a senior technology manager at a top tier PC maker who also called for separate 60 GHz industry groups to unite in the wake of the failure of wireless USB.
Researcher paves alternate path for hard drives
News & Analysis  
10/19/2009   Post a comment
Carnegie Mellon University professor Jimmy Jian-Gang Zhu is developing a microwave-assisted magnetic recording technique he believes will pack three terabits of data in a square inch of a hard disk, opening a third path in an ongoing debate about the future of the hard drive.
Microtune unveils integrated receiver platform, reduces workforce
Product News  
10/19/2009   Post a comment
Microtune has unveiled an ultra-small, low-cost technology platform dubbed MicroCeive that the company says will be the foundation for a new breed of tightly integrated receiver products for the digital TV and cable TV markets.
Book Excerpt--Microwave and RF Design: A Systems Approach (Part 1 of 8)
Design How-To  
10/19/2009   Post a comment
Enhance your understanding of transmission lines and microstrip structures, in theory and practice
Coordiated approach improves wireless bandwidth
News & Analysis  
10/16/2009   Post a comment
A field test has proved that the Coordinated Multipoint Transmission (CoMP) approach improves the bandwidth and reduces the bit error rate in 3G and 4G wireless networks.
Marine VHF baseband processor enables maritime mobile transceivers
Product News  
10/15/2009   Post a comment
The CMX885 Marine VHF baseband processor from CML Microcircuits is designed to meet the global requirements of low cost, highly integrated marine VHF transceivers by offering complete audio processing with selectable audio processing order.
Freescale sees growth in smart metering, mobile medical
News & Analysis  
10/14/2009   Post a comment
Ecology and health concerns are transforming the economic and technological landscape, bringing some significant revenue-producing opportunities to all links to the chain. Texas-based Freescale Semiconductor Inc. has decided to catch the ball on the bounce.
Multimode wireless devices: It's the software, stupid!
Design How-To  
10/13/2009   2 comments
The advent of parallel processing architectures is a big step toward realizing seamless, intelligent connectivity among 3G and 4G wireless standards, but the potential show stopper is the software. Thankfully, some companies are making progress when it comes to enabling hardware and software to work together in harmony.
Using a design-to-test capability for LTE MIMO (Part 2 of 2)
Design How-To  
10/12/2009   Post a comment
System-level simulation helps engineers gain valuable insight into the design sensitivities of Long Term Evolution (LTE) Multiple-Input Multiple-Output (MIMO) systems
VT Silicon develops 4G amp, pursues integrated 'front-end'
News & Analysis  
10/9/2009   Post a comment
After 30 months of privately-funded development fabless VT Silicon Inc. (Atlanta, Georgia) has announced a silicon-based power amplifier capable of meeting the operating requirements of 4G wireless data transmissions. The company is planning to launch an integrated RF front-end for WiMax and LTE communications.
Ramtron samples RF-enabled wireless memory
Product News  
10/7/2009   Post a comment
Ramtron has begun beta sampling its first MaxArias wireless memory product to customers across several industries.
AM/FM antenna ICs deliver a variety of integrated features
Product News  
10/7/2009   Post a comment
An active antenna IC designed for AM/FM car antenna applications, the ATR4252 from Atmel Corporation is a highly integrated device that offers a host of features including automatic gain control (AGC), supply voltage regulator with overvoltage protection and an antenna sensor.
Taoglas : SMT GPS antennas resist reflow soldering
Product News  
10/7/2009   Post a comment
Taoglas has launched the SGP series of surface mount (SMT) GPS antenna products guaranteed to pass final device product certification for reflow solder profile tests, device environmental tests (temperature, humidity etc) and mechanical testing (shock, vibration etc.) for machine-to-machine (M2M) telematics devices.
Using a design-to-test capability for LTE MIMO (Part 1 of 2)
Design How-To  
10/7/2009   Post a comment
System-level simulation helps engineers gain valuable insight into the design sensitivities of System-level simulation helps engineers gain valuable insight into the design sensitivities of Long Term Evolution (LTE) Multiple-Input Multiple-Output (MIMO) systems
Improve UMTS and HSDPA Coverage 5-Fold with Inward-Facing Cells in a Simulcast Architecture
Design How-To  
10/7/2009   Post a comment
Wireless service providers must find ways to optimize high performance UMTS/HSDPA broadband service to maximize both ROI and the quality of service. Success will require new architecture thinking beyond traditional macro cell and micro cell coverage.
SiBeam readies 2nd gen Wireless HD chip
Product News  
10/6/2009   Post a comment
SiBeam, a pioneer in 60GHz chips for wireless video networking, is demonstrating its second generation chipsets based on the WirelessHD specification at this week's CEATEC Japan exhibition.
Book Excerpt--RF Front-End: World Class Designs (Part 7 of 7)
Design How-To  
10/5/2009   Post a comment
Learn about RF/IF circuits from Chapter 9 of this recently published book, presented here in serial form
Companies in trouble, companies with cash lead weekly story ranking
News & Analysis  
10/2/2009   Post a comment
Here are the top five online stories for the week beginning Sunday, Sept. 27, as ranked by EE Times readers, up to and including Friday, Oct. 2. The ranking is based on the number of reader "views" or "hits" on a particular article.
Altair offers 4G LTE baseband chip
Product News  
10/1/2009   Post a comment
Altair Semiconductor Ltd. (Hod Hasharon, Israel), a 4G communications chip company, has announced the commercial availability of its LTE baseband chip, the FourGee-3100.

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Rajaram Regupathy, Cypress Semiconductor
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