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Published Tuesday, October 16, 2008 | Last Update 10.16.08 Here are your replies to the September Expert Advice column Consumers may buy specific wireless phones and smartphones because of their eye-catching applications, but it’s the RF and microwave technology hidden inside that makes the whole wireless experience possible. Reference...

GPS semiconductor vendors are increasingly focusing on GSM handsets as their next target market for GPS chipsets. While until now CDMA handsets and navigation devices have been the main GPS product categories, GSM mobile phones are expected to increasingly feature GPS-chipsets as handset-based navigation and a wide range of...

The research foundations for MiG , in the field of fast EM CAD and optimization methods for satellite and wireless communication components, were laid over 30 years ago with the development of fast mode-matching CAD procedures for waveguide discontinuities and filters. Twenty seven years ago (1981) at the 11...

Founded in 1997 in the Anhui Province of China, BL Microwave is a private, high-technology enterprise specializing in the design and manufacture of microwave filters and other microwave components. In particular, the company produces low-pass, high-pass, band-pass and band-reject filters as well as LC, cavity, ceramic, waveguide, tubular, helical...

High-frequency technology didn’t earn its reputation as black magic for no reason. Unlike low-frequency circuits, microwave circuits don’t behave in a totally predictable way, so “tweaking” has been an accepted mainstay of the microwave design approach/fl ow. Fortunately, high-frequency design tools have dramatically improved so that tweaking of prototype...

The microwave industry is an ever-evolving and increasingly dynamic environment. In recent years there have been many new competitors entering this market. It is therefore crucial for MESL to maintain a visible profile in such a crowded industry. We believe that the major annual exhibitions provide the most effective...

A voltage controlled oscillator or VCO is an oscillator that can be frequency controlled by an external voltage. The external voltage is called a tuning voltage and it is typically connected to a voltage variable capacitor (varactor) within the resonant oscillator circuit. As the voltage changes, the capacitance of...

Wireless 3G and 4G networks give subscribers on the go access to data, multimedia, and entertainment services through mobile handsets, smartphones and PCs. These new networks operate over far wider areas than can be served by WiFi hotspots. But once the mobile user gets back to the office or...

The paper proposed and studied a monopole antenna with a parasitic plate for WLAN applications. In this design, microstripline-fed rectangular patch creates a resonant mode at 3 GHz. Furthermore, a parasitic plate is added on the side of ground plane to generate a dual-band operation of 2.39 to 2.91...

ANADIGICS Inc. announced that the company is delivering HELP2™ PAs to LG Electronics for its new 3G Vu™ mobile device currently available through AT&T. The LG Vu is one of the first touch screen devices to support AT&T Mobile TV, allowing users to view live streaming TV shows right...