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Cavity perturbation techniques 1,2 have been widely used for the measurement of dielectric properties at microwave frequencies. The fundamental concept of this technique is that the presence of a small volume of dielectric sample in the resonant cavity will not significantly perturb the electromagnetic field around the loaded sample...

ANTENNAS Liu, Cheng-yuan, Ying-song Li, Tao Jang and Xiao-dong Yang "Compact CPW-fed UWB Antenna with a Notched Band Characteristic," No. 8, p. 104. Mobashsher, A.T., M.T. Islam and N. Misran "Loaded Annular Ring Slot Microstrip Antenna for Wideband and Multi-band Operation," No. 9, p. 146. Popovic, Nenad and Ivana...

Wireless Design and Test Gain greater insight into wireless design and test with the new 24/7 Agilent Wireless Videos page. The site is designed to give information about wireless test for greater understanding of the wireless connectivity technologies with a full range of design and test solutions. Visit www.agilent.com/find/wirelessvideos....

New Waves: Industrial, Scientific and Medical Applications SPDT Coaxial Switch The 2EL Series SPDT coaxial switches features SMA connectors and operates at a frequency range from DC to 18 GHz and the 2ELE Series operates at DC to 26.5 GHz. Both series are available with failsafe and latching self...

Advanced RF MEMS Edited by Stepan Lucyszyn Radio frequency microelectromechanical systems (RF MEMS) can offer superior RF performance over more conventional solid-state electronic devices and can help to implement advancements within a broad range of applications, from ubiquitous smart sensor networks to mobile handsets. Moreover, they can substantially reduce...

Math, Science and Logic Puzzles - for the "enginerd" in all of us Download the Puzzler (PDF) Rocket Launch Why are the European Ariane rockets launched from the Korou site in French Guiana, South America, and not from some place in Europe where the rockets are built? The Pzzls...

SRI Connector Gage , Melbourne, FL, announced two new 45 degree connectors for the RF/microwave industry: • SMA plug to SMA jack 20-921-2300-00 with performance up to 27 GHz and a VSWR 1.2: 1. Made of SST, corrosion resistant, non magnetic 303, per ASTM A484 and A582. • TNC...

My hometown of Newburyport is located by the ocean at the mouth of the Merrimac River in the upper eastern corner of Massachusetts. Exploiting its natural resources, the first settlers were naturally fisherman. As larger and more commercially successful fishing communities took root in Gloucester and New Bedford, the...

As demand for high data rate applications on the move continues to rise, cellular network and mobile hardware designers will continue to vigorously push the boundaries on the maximum rate at which information can be transmitted over wireless communications channels. One exciting possibility to supplement mobile communications is to...

Judging by the end of year activity among our advertisers and the flurry of articles submitted for next year, I would say 2011 ended with a bang and 2012 looks to continue the momentum. Our editorial commitments for product features are booked through April and much of our technical...