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GaN devices now operate at much higher bias conditions than traditional PHEMTs or HBTs, and also dissipate DC power and generate RF power at much higher densities. Due to high RF and DC power levels, it was found that conventional CW device characterization and modeling techniques are no longer...

The Worldwide Interoperability for Microwave Access (WiMAX) system 1 is becoming quite popular in allowing broadband wireless Internet access for private and business users. WiMAX is based on the IEEE 802.16 family of standards. 2 Currently, the first system implementations, based on the 802.16-2004 specifications intended for fixed wireless...

Many various configurations and various substrate materials for ultra-wideband (UWB) applications have been investigated. Many printed broadband monopole configurations, 1–3 such as circular, semi-circular and square shapes, can achieve ultra-wideband characteristics, omni-directional radiation patterns, simple structures, light weight and low cost. The IEEE 802.15.3a standard 4 specifies the 3.1...

A ceramic-loaded resonator is a transmission line with one end shorted and the other “open” end connected to a capacitor to ground, as shown in Figure 1 . This shortens the length of the line needed to resonate at a particular frequency. The ceramic-loading capacitor overcomes the drawbacks of...

Published May 7, 2007 In an effort to better combine the editorial content of our magazine with our newly developed and retooled on-line presence, we have decided to expand Harlan's RF and microwave engineering advice into a monthly feature that appears in Microwave Journal. Harlan has selected one question...

TriQuint Semiconductor , a leading RF product manufacturer and foundry services provider, announced that it is restructuring its sales coverage and product distribution across Europe. This reorganization is designed to streamline European support to meet growing customer needs for cost-efficient, highly-integrated RF solutions that reduce manufacturing time. Redtree Solutions...

Nearly all major categories of MEMS have seen, or may soon see, applications in consumer products, reports In-Stat. As a result, the worldwide MEMS market in consumer electronics will grow from $727 M in 2006 to over $1 B by 2009, the high-tech market research firm says. MEMS will...

After five consecutive years of revenue growth that brought worldwide semiconductor revenue to a record $247.7 B in 2006, the cyclic history of the industry would suggest a reversal is overdue, reports In-Stat. But with an extended period of above average worldwide GDP growth ahead, continued semiconductor revenue growth...

No sooner has the market for consumer electronics devices incorporating Wi-Fi begun to gain real traction than another, based on high-speed connections via 3G cellular technologies or mobile WiMAX, is starting to take shape. According to a new study from ABI Research, portable consumer electronics—digital cameras, media players, portable...

Following an extensive study into the various high technology advanced driver assistance systems, the Strategy Analytics Automotive Electronics service report, “ADAS: Assessing Opportunities and Challenges,” reveals a current, low, one percent penetration rates for ADAS applications in light vehicle production—except for camera and parking assistance systems, which already stand...