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Industry News

4.9 GHz: A Major Force Behind Meshing Network Adoption

According to ABI Research, building on the strength and popularity of Wi-Fi, meshing networks extend range, security and redundancy by augmenting traditional infrastructure-to-user communications with enhanced peer-to-peer communications. This is accomplished through an advanced addressing scheme that better handles ad hoc communications and handoffs. Issues currently plaguing meshing networks...
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Trend is for ZigBee Solutions “In a Box”

Opportunities for the emerging 802.15.4 Wireless PAN (WPAN) technology, and the imminent ZigBee network layer, look promising according to In-Stat/MDR. Using an aggressive scenario, annual shipments will surpass 150 million units in 2008. And, based upon discussions with system providers, the high tech market research firm believes that the...
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Despite Lack of Standard, UWB Consumer Products to Hit Retail in 2005

Being the wireless technology that can deliver the bandwidth and QoS that many consumer electronics companies have been looking for, Ultra-wideband (UWB) presents attractive opportunities, primarily for fast video transfer between peripheral devices, such as digital camcorders, TVs and PCs, and between set top boxes and TV monitors. In-Stat/MDR...
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The Book End

Microwave Ring Circuits and Related Structures Second Edition Kai Chang and Lung-Hwa Hsieh Wiley Interscience 377 pages; $125 ISBN: 0-471-44474-X Ring resonators have been used extensively in microwave circuits such as filters, oscillators, mixers, couplers, power dividers/combiners, antennas and frequency selective surfaces. They are also useful in various techniques...
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Thin Film Electronically Tunable Pre-selectors for Software Defined Radios

A multi-band, multi-waveform software defined radio (SDR) that provides programmable and re-configurable communications is at the core of ad-hoc networks, and ad-hoc networks are key to the transformational needs of the military (manned and unmanned). To meet interoperability requirements and mitigate co-site interference issues of a multi-band, multi-waveform architecture,...
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5.7 GHz 0.25 μm CMOS RF Front-end Circuits for an IEEE 802.11a WLAN Receiver

A 5.7 GHz 0.25 mm CMOS RF front-end, including a CMOS differential LNA and a CMOS Gilbert-cell mixer, for an 802.11a WLAN receiver is presented. The differential LNA, fabricated with the 0.25 mm 1P5M standard CMOS process, utilizes a current-reuse tech...
Due to the growing demand for broadband wireless communications, the operating frequency is moving toward the 5 GHz U-NII band. The advantage of combining the baseband circuitry and the RF front-end on one single chip for cost savings is strongly desired for highly integrated system-on-chip (SoC) applications. Due to...
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