Wireless Design & Development articles from December 2005

Wireless Design & Development archives from December 2005

2006--the year of convergence ... really!(UP FRONT with ERN)
December 1, 2005... One of this year's most heard buzzwords: convergence. For years now, I've been hearing over and over that convergence is just around the corner. Well, at the end of 2005, the corner may just be in sight... finally. Technologies and...

WiMAX SoCs.(PRODUCT NEWS: WHAT HOT'S)
December 1, 2005... Sequans announces its first System-on-Chip (SoC) products for WiMAX subscriber stations (SQN1010) and basestations (SQN2010). The SQNI010 and SQN2010 are based on the IEEE 802.16-2004 standard. The WiMAX product family consists of a subscriber...

GPS broadband synthesizers.(PRODUCT NEWS: WHAT HOT'S)
December 1, 2005... Jackson Labs announces the FireFox Synthesizer product line, including the FireFox Desktop Synthesizer and the FireFox OEM module. The synthesizers combine a GPS-disciplined high stability, low phase noise OCXO time-base with a DDS-based...

Cavity notch filter.(PRODUCT NEWS: WHAT HOT'S)
December 1, 2005... Reactel part number 5R7-1290.6-36S11 is a narrowband, highly selective cavity notch filter. This unit is centered at 1290.6 MHz and has a 3 dB bandwidth of 36 MHz. The notch depth is greater than 20 dB across the frequency band of 1279.7 to...

YIG-tuned oscillator.(PRODUCT NEWS: WHAT HOT'S)
December 1, 2005... Teledyne Microwave announces a low phase noise YIG-tuned oscillator (YTO) in a miniature 1.25" cube package. The YTO operates at 8 to 18 GHz with a phase noise performance of -125 dBc/Hz maximum and is part of Teledyne Microwave's Ferretec[TM]...

Packageless transceiver.(PRODUCT NEWS: WHAT HOT'S)
December 1, 2005... Endwave announces an integrated transceiver board solution, made with a pro primary packaging technique called Epsilon Packaging[TM]. In addition to cost reduction, Epsilon Packaging reduces the size and weight of a typical transceiver...

Programmable logic design tool suite.(PRODUCT NEWS: WHAT HOT'S)
December 1, 2005... Lattice Semiconductor announces its ispLEVER[TM] 5.1 programmable logic design tool suite. Lattice FPGA logic utilization has been increased by as much as 35%, while design operating frequencies have been boosted up to 25%. An IP delivery...

Transceiver solution.(PRODUCT NEWS: WHAT HOT'S)
December 1, 2005... Mimix Broadband announces GaAs MMIC 13/15 GHz chipset that consists of a highly integrated image reject receiver and transmitter and a compact, two-stage power amplifier. The image reject mixers eliminate the need for an image bandpass filter...

Bluetooth solution.(PRODUCT NEWS: WHAT HOT'S)
December 1, 2005... CSR plc launches its fifth generation of BlueCore, a Bluetooth hardware and software solution. CSR also announces its BlueMedia enhancements, using new DSPs embedded inside the ICs to bring both improved audio performance and added radio...

The impact of card grounding on EMC emissions.(electromagnetic emissions )
December 1, 2005... Recent research has indicated that electromagnetic emissions from interface cards can be reduced by as much as 20 dB through simple changes in grounding arrangements. A recent study by E-Mead Consulting Ltd. focused on paddle-board cards...

Efficient simulation techniques for modulated delta-sigma fractional-N synthesizers.
December 1, 2005... A delta-sigma PLL is an attractive solution for agile frequency synthesis or even direct modulation. Theoretically, this design offers the advantage of eliminating spurious emissions. However, in practice, this is not always the case....

SiGe BiCMOS plays a growing role in the mobile platform: lower costs and advancements in SiGe BiCMOS offer significant benefits to the wireless community.(FEATURED TECHNOLOGY)
December 1, 2005... The dominance of SiGe BiCMOS in RF transceivers for mobile platforms is evident when looking inside most of today's leading cellular phones. Today's situation developed despite the relatively limited access to SiGe BiCMOS at the beginning of...

Radio transceivers using an I/Q receiver interface: digital demodulators tackle the traditional job that analog demodulators once had in next generation data communications systems.(FEATURED TECHNOLOGY / PART 1)
December 1, 2005... Conventional FM receivers use an analog demodulator, such as a PLL, or more commonly, a limiter-discriminator. Digital schemes replace these with digital processors. The following information covers general issues involving digital...

Embedded ZigBee design considerations: ZigBee becoming a major player in the low-data-rate embedded communications arena. Yet that doesn't make designing this embedded technology a simple process.(FEATURED TECHNOLOGY)
December 1, 2005... With the ratification of the ZigBee wireless networking standard, companies are integrating complete wireless SoCs on semiconductors smaller than a shirt button, enabling systems designers to embed low-cost, low-power sensor and control...

Chipset for mobile phones.(INTEGRATED SUBSYSTEMS)
December 1, 2005... Agere Systems announces its Vision'" X 115 chipset product, which supports cinema-quality video and CD-quality audio capabilities for mainstream EDGE feature phones and Smartphones. The X115 chipset is based on Agere's Vision mobile handset...

Pico basestation technology.(INTEGRATED SUBSYSTEMS)
December 1, 2005... TI introduces a pico basestation product that combines a DSR optimized baseband software and development tools. By using this 1 GHz TMS320TC16482 and optimized W-CDMA software libraries, infrastructure OEMs can design a compact baseband...

Reduced size OCXO.(SIGNAL SOURCES)
December 1, 2005... MtronPTI introduces the XO5183 family of OCXO products in a 1.0" x 0.8" x 0.5" enclosure. The XO5183 family features a close in-phase noise performance of -90d Bc at a 1 Hz offset for a 10 MHz sinewave device. It can be as low as -100 dBc/Hz at...

Zero-Delay Buffers.(SIGNAL SOURCES)
December 1, 2005... Cypress Semiconductor announces two Zero-Delay Buffers (ZDBs). The CY23EP05 and CY23EP09 phase-locked loop (PLL) clock buffers offer desirable operating frequency, low cycle-to-cycle jitter and a very low output-to-output skew. These ZDBs offer...

SST oscillators.(SIGNAL SOURCES)
December 1, 2005... Euroquartz introduces a series of low EMI oscillators that offer a low-cost alternative to expensive EMI problems. The EQHM53 series oscillators are housed in a 5 x 3.2 mm SMD package and offer up to -15 dBc equipment EMI reduction. Operating...

Design software for wireless Mesh networks.(SOFTWARE)
December 1, 2005... Wireless Valley[R] Communications announces MeshPlanner[TM], a software product for designing outdoor wireless mesh networks that provide good coverage, redundancy and overall quality of service. With MeshPlanner software, network designers...

Design capabilities.(SOFTWARE)
December 1, 2005... Cadence announces a set of services for SoC designers embedding PowerPC cores, including silicon validation of a new custom-synthesized design approach. Compared to a full-synthesis approach, the Cadence[R] custom-synthesized approach achieves...

3D EM simulator.(SOFTWARE)
December 1, 2005... CST of America, Inc. announces CST MICROWAVE STUDIO[R], version 2006. The new version now includes the use of the CST DESIGN ENVIRONMENT[TM] as a common access point to CST's solver technology. Structures are presented in 3D and schematic views...

Handheld 1xEV-DO test solution.(TECHNOLOGY AWARD)
December 1, 2005... Anritsu Company introduces three CDMA2000 1xEV-DO options for its Cell Master[TM] MT8212B handheld analyzer. Expanding the analysis capability to include CDMA2000 1xEV-DO signals, the options allow the MT8212B to be used by RF engineers,...