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Components X-band Tx and Rx Filters The company claims to have released the world's smallest waveguide X- band Tx and Rx filters for military satcom applications. The filters have less than 0.3 dB insertion loss and have greater than 90 dB rejection in the complementary frequency bands. They are...

OFDMA System Analysis and Design Samuel C. Yang Most of us today cannot imagine working (and living) without 802.11-based wireless networks, popularly known as Wi-Fi. Traveling professionals who really needed to send an e-mail and who had to drive around town looking for a hot spot can attest to...

Math, Science and Logic Puzzles - for the "enginerd" in all of us (re-printed with permission from Pzzls - www.pzzls.com ) Download the Puzzler (PDF) The Smith Jones Robinson Riddle On a train, Smith, Robinson and Jones are the fireman, brakeman and the engineer, but NOT respectively. Also aboard...

Aeroflex Inc. , a wholly owned subsidiary of Aeroflex Holding Corp., announced that the Aeroflex APM-424(V)5 IFF (Identification Friend or Foe) portable test set has received full certification from the U.S. Department of Defense (DoD) AIMS International Program Office. The tester is in full compliance with DoD AIMS 03-1000A...

M/A-COM Technology Solutions Inc. introduced a new set of digital phase shifters for communications, electronic warfare (EW) and radar applications. The phase shifters facilitate easy implementation in communication antennas, phased array radars, weather radars, and EW receivers. The GaAs pHEMT 4-Bit and 6-Bit digital phase shifters meet the high...

Vectron International , a leader in the design and manufacture of precision oscillators and timing solutions for communication, industrial, military and space applications, announced its next generation MEMS-based oscillators. The new VM 702, 802, and 822 product series have LVDS, LVPECL and HCSL output options with an expanded frequency...

With the "Dog Days of Summer" upon us and the end of Summer in sight, it is time to turn our thoughts to back-to-school plans, for those of us with school age kids. For microwave professionals, there are numerous conferences on the Fall schedule for our educational benefit. At...

ABI Research’s optimistic forecasts for the penetration of high powered RF integrated circuits into the mobile wireless base station market continue to be borne out by the latest market developments, which project more than 10 million high power RFIC units will be shipped in 2011. According to Mobile Networks...

The energy and activity levels of a large crowd are hard to quantify, but by the accounts of most observers, there was plenty of both at the International Microwave Symposium 2011 in Baltimore, MD, June 5-10. Event managers said the official attendance was more than 8600 participants. This number...

The figure of merit (G/T) for a satellite-terrestrial handset is a critical parameter for the link budget calculations, where G is antenna gain, which varies with elevation and azimuth angles, and T is the system noise temperature, which is the sum of the handset receiver and its antenna noise...