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Highlights

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Passive components

Fractal Antenna Aims At 2.9 To 14.6 GHz

Broadband antennas are needed for emerging applications using the ultrawideband (UWB) frequency range. To serve such applications, a fractal antenna using an Appollian-shaped...
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Passive components

Dual-Band Coupler Links With CRLH Lines

To enhance the transmit-receive isolation of a dual-band coupler, a new design approach was investigated involving the use of composite right/left-handed (CRLH) transmission ...
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Active components

Modulator Manages High-Speed Data

Satellite communications (satcom) offer ubiquitous service coverage from space, albeit with limited bandwidth. As a result, service providers seek to use higher-order modulation...
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Passive components

Ceramic Substrate Shrinks Patch Antenna

Wireless electronic products continue to shrink in size, requiring ever-smaller antennas. To fill this need, the authors developed a three-stack wideband patch antenna on aluminum...
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Active components

Industry Shows Versatility At 2012 IMS

Held in Canada for only the second time in its history, the 2012 IEEE International Microwave Symposium (IMS) brought a large influx of microwave engineers to Montreal, Quebec...
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Systems

Small Cells Herald New Infrastructure Model

Now that high-bandwidth applications have been adopted en masse by cellular-phone and tablet users, wireless system operators are running out of capacity. The answer is a new...
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Analyzers

Microwave Legends 2012

Each year, to honor some of the noteworthy “chapters” in this history, another five persons, places, or things are added to our list of “Microwave Legends,” in the hopes that...
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Digital semiconductors

Interview: Andrea Betti-Berutto, CTO, GigOptix

Andrea Betti-Berutto, Chief Technology Officer, GigOptix, on the hottest applications in millimeter-wave technologies, and more.
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Mixed Signal

HetNet Solutions Advance While Femtocell Transceivers Cut Design Costs

Increased coverage and operating capacity are sorely needed if future cellular networks are to provide adequate service.