November 8, 2007 Newsletter

Nov. 8, 2007
Microwaves & RF UPDATE | November 8, 2007 Jack Browne, Technical Director Thermal Engineering Report: Dissipating Heat in Electronic Devices to ...
Microwaves & RF UPDATE | November 8, 2007

Jack Browne, Technical Director

Thermal Engineering Report: Dissipating Heat in Electronic Devices to Improve Reliability

Failures on rushed, high-profile projects are often the catalyst for companies to investigate next-generation Computer-Aided-Engineering solutions. This report delves into the common mistakes companies designing consumer and commercial electronics have made and offers recommendations to help your company unlock the power of these technologies in the early stages of product development.

Click Here to Download this FREE Report.



Software Helps Solve Measurement Problems
By Jack Browne, MWRF Technical Director

Making better measurements is usually a noble pursuit, especially for the types of microwave measurements that can require massive amounts of data, such as antenna evaluation and radar- cross-section (RCS) measurements. Antennas, for example, must be analyzed across the expanse of their radiation patterns and often over a wide range of operating frequencies. For that reason, any tool that helps to simplify the measurement process is welcome. One of the latest additions to the test arsenal is the MI-3000 Arena™ data acquisition and analysis software package from MI Technologies (

Admittedly not the first name that comes to mind when considering software for orchestrating automatic-test-equipment (ATE) operations and data analysis, the Suwanee, GA-based company has been involved for some time in the development of measurement solutions for application- sensitive requirements. The firm developed the new MI-3000 Arena software package to streamline the measurement processes for these difficult-to-test components, such as antennas or RCS targets. The software provides a choice of four different operating environments so that operators have a certain level of comfort when performing advanced measurement and analysis functions. In an area where measurements are never trivial, the addition of another useful tool is always welcome.

Don't Miss Your Favorite Show: Engineering TV

Sponsored by Analog Devices and National Instruments, these informative eight-minute video segments show cutting-edge technology in action and offer behind-the-scenes looks at the latest engineering developments.

Sneak a peek here.



Renaissance Reports MEMS Switch Matrix

Renaissance Electronics Corp. (Harvard, MA) has introduced an 8 x 8 switch matrix based on a total of 80 single-pole, double-throw (SPDT) microelectromechanical-system (MEMS) switches. The MEMS devices are fabricated with a conventional silicon micromachining approach to produce a high-force cantilever switch structure that is contained within a wafer-bonded hermetic package. Rated for a life expectancy of more than 100 billion switching cycles, the switch matrix handles 2 W CW input power from DC to 2.5 GHz with 6 dB insertion loss and 40 dB isolation. The compact unit measures 7.85 x 7.43 x 2.8 in. with female SMA connectors and provides blocking type switching without power splitters. It achieves switching speed of less than 50 microseconds and draws only 10 mA current at +5 VDC upon actuation. The switch matrix, which is suitable for applications in communications, military, and test and measurement systems, incorporates a TCP/IP Ethernet control interface.

Renaissance Electronics Corp.

Report Reveals WiMAX Growth

The second issue of the WiMAXCounts Quarterly Report, published by research firm Maravedis, reveals that the WiMAX global subscriber base increased by 50 percent in the third quarter. The number of WiMAX global subscribers is 1,369,000 accounting from revenue of $668 million (USD) for the first three quarters of 2007. According to Adlane Fellah, Chief Executive Officer (CEO) of Maravedis, "We expect the introduction of major network deployments for mobile WiMAX, combined with lower CPE pricing, to accelerate subscriber growth in 2008 and contribute to a 70-to-80-percent yearly increase in commercial deployment." The report included information on interest to WiMAX operators, including the fact that The Middle East and Africa region has the highest residential Average Revenue Per User (ARPU), at $52.31 USD, while offering significantly lower speeds than other regions, and that 66 percent of operators are deploying WiMAX networks and services in the 3.3-to-3.8-GHz frequency range.



More News

Nitronex Qualifies New Wafer Fab
Hittite Publishes Selection Guide
Vanguard Microwave Solutions Offers Couplers
Times Microwave Systems Shows Capabilities

Looking For A Specific Product?

Whether it's an amplifier, attenuator, filter, mixer, or switch, or any other RF/microwave component, or printed-circuit board (PCB), or transistor, or software, or test equipment, you'll find a source in the Microwaves & RF Product Data Directory. Whether in print, or online, the Microwaves & RF Product Data Directory will help you find the best products and suppliers for your application.

Start your search online at

Happenings - Conferences

70th ARFTG Microwave Measurement Symposium
November 27-30, 2007
Tempe Mission Palms Hotel
Tempe, AZ

2007 Asia-Pacific Microwave Conference
December 11-14, 2007
Grand Hyatt Erawan Hotel
Bangkok, Thailand

2008 IEEE Radio and Wireless Symposium (with WAMICON)
January 22-24, 2008
Rosen Centre Hotel
Orlando, FL

2008 IEEE International Solid-State Circuits Conference (ISSCC)
February 3-7, 2008
San Francisco Marriot Hotel
San Francisco, CA

2008 IEEE Sarnoff Symposium
April 28-30, 2008
Nassau Inn
Princeton, NJ

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