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ISSUE DATE: MARCH 2003 | |
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March 2003 - In This Issue [Cover Story] Handheld Analyzers Check Naval Systems Modern military forces strive for agility and mobility, given the nature of modern threats. Current strategies plan on putting rapidly deployed small armed on the ground anywhere in the world within 96 hours. In support of such readiness, the US... — Yuenie Law [News] DSPs And Data Converters Enable Complex Modulation Microwave and RF engineers have become more familiar with data converters and digital signal processors (DSPs) in recent years. These components are now mainstays in many wireless systems, making possible the complex filtering and algorithms... — Jack Browne [Design Features] Comparing High-Frequency Control Devices Solid-state switches can be fabricated with a variety of different semiconductor technologies, usually selected on the basis of performance requirements. For this study, single-pole, single-throw (SPST) switches were evaluated based on three... — Mohammed Bekhti , et al. [Design Features] Wireless Approach Monitors Tire Pressure Tire-pressure monitoring (TPM) is among the more useful, albeit humble, of wireless applications. Although application-specific integrated circuits (ASICs) have been commonly used for TPM functions, several integrated solutions from Atmel (San Jose,... — Martin Motz [Design Features] Sampling IF filters Fortify Bluetooth Designs Bluetooth system architects strive to reduce cost, component count, and power consumption while maintaining high production yields for both chips and modules. Traditionally, the first three requirements are met by integrating off-chip components.... — Seste Dell'Aera , et al. [Product Technology] MMIC Mixers Reach High Intercept Points Dynamic range is a key requirement for the latest cellular and personal-communications-services (PCS) base stations. With growing complexity in digital modulation formats, and the use of dynamic power control, high-frequency mixers for these systems... — Norm Hildreth [Product Technology] Coaxial Connector Is Type N Alternative Coaxial connectors play a small but often critical role in communications systems. Since they are often an afterthought in the design of a complex system, poorly designed connectors can add to intermodulation-distortion (IMD) levels and become... — Jack Browne [Product Technology] Combiners/Dividers Range 0.8 To 3.0 GHz Power combiners/dividers are invaluable components when summing the contributions of multiple power amplifiers (PAs) or splitting signals into lower-power multiple signals. A line of power combiners/dividers from MECA Electronics (Denville, NJ)... — Jack Browne [Editorial] Sometimes, It's Just Stubbornness Survival in business often requires fortitude and vision, and generally a determination to outlast one's competition. Sometimes, survival is simply a matter of being too stubborn to give up on an idea or a conviction. In the current challenging... — Jack Browne |
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