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A planar composite lowpass filter implemented in microstrip line, designed by image parameter method will be described. This composite filter combines four filter sections and presents an attenuation pole near the cut off frequency to ensure sharp cut off. This filter design also ensuring good matching properties in the...

OML Inc. , a leading manufacturer of vector network analyzer frequency extension modules for waveguide bands from 50 to 500 GHz, has received a "Certificate of Recognition" honoring Chuck Oleson, the company president, "for the creative development of a technical innovation which has been approved for publication as a...

Ansoft Corp.: HFSS v11 HFSS is the industry-standard software for S-parameter and full-wave SPICE extraction and for the electromagnetic simulation of high-frequency and high-speed components. Visit Ansoft Corp.'s Vendor View --> Auriga Measurement Systems LLC: ATE Services 50 MHz to 110 GHz The company's turn-key, fully automated, component test...

Research and development engineers working in aerospace and defense continually strive to extend the boundaries of what is technically possible and this extends to the specialized field of electromagnetic simulation technology. One branch in this community deals with the optimization of radar cross sections (RCS), while another concentrates on...

Six companies recently won licenses to operate WiMAX services in Taiwan. First International Telecom (Fitel), Global On Corp and Wei Mai Si Telecom won licenses covering the north of the country, whilst Far EasTone, Tatung Co and Vestar Cable TV System Corp won concessions to operate in the south....

A combination of Wi-Fi and WiMAX will ultimately provide ubiquitous mobility for enterprises, particularly as the cost benefits for WiMAX are realized and coverage is rolled out, says Forrester Research. For enterprises WiMAX will eventually emerge as the replacement for cellular data services based on 2.5G and 3G technologies...

WTRS's new "WiMAX Emerging Technology Summer 2007 Report" finds three shifts in the market for wireless broadband services. First, WiMAX offers real competition to T1 in broadband backhaul systems. Second, WiMAX enables third-world emerging players and markets to leapfrog copper landline telecommunications infrastructure. And finally, WiMAX is, of course,...

WiMAX, the Broadband Wireless MAN is a comprehensive, in-depth, analytical market study of WiMAX technology and the WiMAX market. It contains abundant tables and illustrations to facilitate an at-a-glance, clear understanding of the subject under discussion. Succinct profiles on WiMAX vendors, market thrust, and product profiles are included in...

Maravedis recently launched its new WiMAX tracking service called WiMAXCounts (www.WiMAXCounts.com). The service includes an online database, a reporting system, and a quarterly newsletter. In May 2007, when the service became commercially available, WiMAXCounts was tracking over 100 WiMAX operators across 36 countries. Although this is not a full...

Just a little over a year ago, most people thought the United States would only see deployments of fixed WiMAX in rural areas with no DSL or cable modem service. During the summer of 2006, however, those who did not see the bigger picture got a reality check. In...