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Content tagged with RF/Microwave
posted in December 2007
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Terrestrial digital radio goes mobile
Product News  
12/31/2007   Post a comment
At the Consumer Electronics Show in Las Vegas, HD Radio developer iBiquity will show new features for the terrestrial digital radio format, such as an iTunes "tagging" feature that makes it easier to purchase music, while touting low-power chip support and reference designs tailored to move the HD Radio platform into portable devices.
3G devices and beyond: What can we expect?
Design How-To  
12/31/2007   Post a comment
The iPhone is just the beginning. But whether it is ultimately successful or not, it has set consumer expectations and created a new combination of buying decisions.
Bi-directional power amplifier targets WLAN systems
Product News  
12/28/2007   Post a comment
Stealth Microwave has introduced the SMTR2425-11B40, a 10-W bi-directional power amplifier, for 802.11b WLAN systems used in military applications.
Wavecom establishes Centers of Excellence program
News & Analysis  
12/28/2007   Post a comment
By working with qualified Wavecom Centers of Excellence, adopters of wireless connected systems can focus on their core businesses and leave the wireless part of equation to experts.
Tektronix' enhances cellular field test system for China market
Product News  
12/28/2007   Post a comment
The RF Scout Interference Hunter now supports TD-SCDMA in addition to providing the tools to hunt for RF interference and check signal quality in one rugged, handheld platform.
WiMAX Technology Roundup: What Every RF Engineer Should Know
Design How-To  
12/28/2007   Post a comment
Looking for some insights on the WiMAX market as well as design, product, and industry news? Look no further! Click here to see a roundup of 2007 WiMAX articles from the RFDesignLine, as well as insights from Freescale, Tektronix, and Maxim.
WiMAX Forum begins certification testing for Mobile WiMAX
News & Analysis  
12/27/2007   Post a comment
As Mobile WiMAX deployments grow in 2008, the Forum will open new certification labs in India and Taiwan to address the demand for equipment certification.
Pentek's multiband SDR transceiver delivers 10 dB A/D performance improvement
Product News  
12/27/2007   Post a comment
The Model 7141 accepts two full scale analog HF or IF inputs on front-panel MMCX connectors at +10 dBm into 50 ohms with transformer coupling into 14-bit 125 MHz A/D converters.
Jitter, Noise, and Signal Integrity at High-Speed: A Tutorial--Part III
Design How-To  
12/26/2007   Post a comment
Published November 19, 2007, this Chapter 1 excerpt from Jitter, Noise, and Signal Integrity at High Speed, is a basic and high-level introduction to terminology, definitions, and concepts concerning jitter, noise, signal integrity, bit error rate, and working mechanisms for communication link systems. Part III covers signal and statistical perspectives on jitter and noise, and a system perspective on jitter, noise, and BER.
AMIMON gains digital content certification for its wireless HD solution
Product News  
12/26/2007   Post a comment
AMIMON's WHDI chipset enables new wireless HDTV applications such as wireless HDTVs, wireless multimedia projectors, and wireless HD video accessories such as wireless dongles.
Free2Move launches Bluetooth stereo firmware
Product News  
12/26/2007   Post a comment
The firmware supports Bluetooth profiles A2DP, AVRCP, HFP, HSP and SPP where all profiles are acting as the headset side for communication with e.g. mobile phones.
Rohde & Schwarz puts 3GPP LTE, WiMAX, mobile TV on front burner
Product News  
12/25/2007   1 comment
Solutions for 3GPP LTE, HSPA+ and WiMAX will be included as well as compact, high-throughput solutions for production, and, mobile TV transmitters of all power classes.
Aeroflex upgrades its A-GPS location services conformance test systems
Product News  
12/25/2007   Post a comment
The Aeroflex 6103 and 6401 now provide A-GPS conformance test within GSM/E-GPRS and UMTS environments respectively.
Top 10: The most popular WirelessNetDesignline feature articles of 2007
Design How-To  
12/24/2007   Post a comment
The most popular WirelessNetDesignline feature articles included a tutorial on the 802.11n PHY layer, test results on several early 802.11n systems, a WiMAX chipset roundup, and a technical comparison of Bluetooth versus Certified Wireless USB.
Jennic unveils proprietary networking protocol stack to complement ZigBee stack
Product News  
12/24/2007   Post a comment
JenNet addresses a wide range of applications, including street lighting systems with long strings of nodes, and large building management systems.
Metalink takes wrappers off its dual-mode 802.11n chipset
Product News  
12/24/2007   Post a comment
Metalink's CES demos will feature concurrent transmission of data applications over the 2.4GHz frequency band and delivery of multiple HD video streams over the 5 GHz band
European Microwave Week calls for papers
Product News  
12/24/2007   Post a comment
Find out how to submit papers to the four conferences making up European Microwave Week.
Crystek releases 1-GHz VCO
Product News  
12/21/2007   Post a comment
Crystek's CVCO55CX-1000-1000 voltage controlled oscillator (VCO) operates at 1000 MHz with a control voltage range of 0 V to 5 V.
RF Basics: Diversity Techniques
Design How-To  
12/21/2007   Post a comment
If you wish you knew more about diversity ( including space, frequency, and polarization diversity) then take a close look at this excerpt from Bruce Fette's book, RF and Wireless Technologies.
STS chip delivers high-res audio wirelessly over multiple channels
Product News  
12/20/2007   Post a comment
The single-chip STS DARR81 implements a single platform featuring bi-directional, simultaneous audio delivery in eight concurrent audio streams.
Filtronic sells compound semis business to RFMD
News & Analysis  
12/20/2007   Post a comment
Filtronic plc has sold its compound semiconductor division, FCSL, to RF Micro Devices Inc. for just £12.5 million (about $25 million) in cash. The deal provides for RFMD to retain the fab at Newton Aycliffe, England, which is already a supplier of GaAs pHEMT semiconductors to RFMD.
HD audio immune to interference
Product News  
12/19/2007   Post a comment
STS debuts high-definition wireless audio connections in its chip for wireless headphones and surround sound speakers.
Understanding HD Radio: The program audio chain - Part 2
Design How-To  
12/19/2007   Post a comment
Part 2 of this four-part excerpt from the recently released "The IBOC Handbook" begins discussion of the Audio Transport Protocol.
Audio chip targets high-definition wireless platforms
Product News  
12/19/2007   Post a comment
STS Inc. releases its fourth-generation audio baseband chip for digital wireless audio platforms. The STS DARR81 chip enables simultaneous audio connections of consumer electronics devices for uninterrupted streaming of HD uncompressed wireless audio.
PLL VCO operates from 500 MHz to 3.5 GHz
Product News  
12/19/2007   Post a comment
Raltron Electronics Corp. has released its PCC-A1-3100 PLL family of VCOs that cover a frequency range from 500 MHz and 3.5 GHz.
Usability testing for design kits: A good idea
Blog  
12/18/2007   Post a comment
Standard-based versus proprietary can be a tough choice for design engineers depending on the application. In a simple security network, the choice seems to go to the proprietary network.
Staccato reference design targets wireless video and PC peripherals
Product News  
12/18/2007   Post a comment
Two demos at CES in January will highlight both PC peripheral applications and streaming content on a mobile platform.
The ZigBee PRO Feature Set: More of a good thing
Design How-To  
12/18/2007   Post a comment
The ZigBee spec now includes two feature sets: ZigBee and ZigBee PRO. Both define key aspects of how a mesh network operates but ZigBee PRO's feature set offers improved network scalability, resiliency, security, and ease-of-use, especially for larger, more complex networks.
RF Basics: Multipath
Design How-To  
12/18/2007   Post a comment
If you would like a better understanding of multipath fading, flat fading, and Rayleigh fading, take a close look at this excerpt from Bruce Fette's book, RF and Wireless Technologies.
Jitter, Noise, and Signal Integrity at High-Speed: A Tutorial--Part II
Design How-To  
12/17/2007   Post a comment
Published November 19, 2007, this Chapter 1 excerpt from Jitter, Noise, and Signal Integrity at High Speed, is a basic and high-level introduction to terminology, definitions, and concepts concerning jitter, noise, signal integrity, bit error rate, and working mechanisms for communication link systems. This segment is a discussion of the sources of jitter and amplitude noise.
NXP, BMW open lab to work on automobile keys and control
News & Analysis  
12/17/2007   Post a comment
Chipmaker NXP BV (Eindhoven, The Netherlands) has opened a center for system concept and product testing called the Next Experience Lab.
Atheros launches 802.11n chips for carrier market
Product News  
12/17/2007   Post a comment
Both the dual-band AR9220 and the single-band AR9223 are single-chip 802.11n solutions and both support 2x2 MIMO technology and offer a PCI interface.
USB, Kleer plug into digital TVs
News & Analysis  
12/17/2007   Post a comment
USB Implementers Forum is developing a variant of its technology to link mobile devices and TVs, and startup Kleer Corp. is announcing it has characterized its proprietary wireless link for standard definition video.
Broadband direct conversion radio offers wide frequency range
Product News  
12/17/2007   Post a comment
ADI's ADL5375 quadrature modulator and ADL5382 demodulator simplify RF-to-baseband designs and enable engineers to extend products to subsequent wireless infrastructure system designs.
Global WiMAX antenna tailored for notebooks
Product News  
12/14/2007   Post a comment
In anticipation of major WiMAX roll-outs worldwide, Omron has introduced a global WiMAX band polymer antenna, the HAWK-WMX, for laptops, notebooks, tablet and ultra-mobile PCs.
SIGNAL CHAIN BASICS Series (Part 4): Introduction to analog/digital converter (ADC) types
Design How-To  
12/14/2007   Post a comment
The series continues with this Introduction to analog/digital converter types
Anritsu : Signal analyzers test 3GPP LTE mobile terminals
Product News  
12/14/2007   Post a comment
Anritsu announces software packages supporting the measurement of 3GPP LTE mobile terminals.
Sequans launches MIMO RFIC for Mobile WiMAX
Product News  
12/13/2007   Post a comment
Targeted at Mobile WiMAX Wave 2, the SQN1140 delivers dual transmit and dual receive MIMO operation and supports the company's advanced MIMO technology, mimoMAX.
Analog Devices : Modulator and demodulator enable direct conversion cellular basestations
Product News  
12/13/2007   Post a comment
Analog Devices is extending its RF portfolio with a high performance broadband direct conversion radio solution: the ADL5375 I-Q modulator and companion ADL5382 I-Q demodulator.
Comprehensive UWB product testing: Part 3
Design How-To  
12/13/2007   Post a comment
Pulse-LINK's CWave was the only UWB device capable of multi-stream HD video transport and the only device supporting coaxial cabling in addition to wireless. WiMedia continues to disappoint.
Sidebar: UWB Test Methodology
Design How-To  
12/13/2007   Post a comment
This test focused on measuring UWB throughput over wireless and coaxial media. We have uploaded the latest drivers for all the devices under test from the manufacturer's web sites.
Post amplifiers feature LOS or signal detect circuits
Product News  
12/12/2007   Post a comment
Micrel Inc. has added four devices to its family of post amplifiers. All four low-power devices feature loss-of-signal (LOS) or signal detect circuits, which are optimized to detect a wide input signal range
Understanding HD Radio: The program audio chain - Part 1
Design How-To  
12/12/2007   Post a comment
Take a top-down technical tour of the program audio process in HD Radio in part 1 of a four-part excerpt from the recently published "The IBOC Handbook."
WiMedia's day in the sun: CES 2008?
Blog  
12/12/2007   Post a comment
Competition and "letting the market decide" is important to achieving the best possible technologies and products. We should also remember that competition and market decisions are best based on facts, not PowerPoint presentations.
Analysis: Avnera's wireless audio ASSPs
Design How-To  
12/12/2007   Post a comment
Avnera's AudioMagic AV71x1 and AV71x2 wirelessly transmit CD-quality audio. BDTI explains how they work, and reports on its test results.
Ethertronics expands its lineup of embedded ceramic antennas
Product News  
12/12/2007   Post a comment
These cool little antennas let designers cheat the "keep out area," which can be a great advantage in today's shrinking handsets.
Highly integrated, single-chip demodulator targets broad TV market
Product News  
12/11/2007   Post a comment
Fresco Microchip has introduced its latest low-power, single-chip demodulator for universal analog terrestrial, analog cable, and DVB-T digital television broadcasts.
Sequans unveils mobile WiMAX RF chip
Product News  
12/11/2007   Post a comment
French WiMax chip supplier Sequans Communications SA (La Defense, France) has introduced a radio frequency (RF) integrated circuit for mobile WiMAX Wave 2 end-user devices.
Low-power, single-chip hybrid receiver for terrestrial and cable TV launched
Product News  
12/11/2007   Post a comment
Fresco Microchip Inc. has announced the FM2050, its latest low power single-chip demodulator for high quality universal analog terrestrial (NTSC, PAL, SECAM), analog cable, and DVB-T digital television broadcasts.
UWB resources
Design How-To  
12/11/2007   Post a comment
For those who want to dig a little deeper, here are several links to resource articles on WirelessNetDesignline.
Page 1 / 2   >   >>


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