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The basic principle of operation of a MESFET multiplier is that the device is biased for a particular conduction angle, based on the harmonic frequency to be generated. A generalized circuit schematic of a MESFET frequency multiplier is shown in Figure 1 . It can be seen that the...

One of the greatest challenges in characterizing new coaxial interfaces is to determine an accurate test configuration. When precision airlines are not available it is very difficult to obtain a true measurement of the device under test. It becomes necessary to design and implement calibration standards to eliminate the...

Realities of 3G launches are far from what operators anticipated just a few years ago, when they committed billions of dollars in 3G fees, adhering to stringent regulatory terms and conditions. According to Allied Business Intelligence (ABI), the number of 3G network launches will peak in 2004, but developed...

High frequency, voltage-controlled oscillators (VCO) are important components of modern RF systems. They are characterized by a set of parameters, which must be analyzed and optimized (for example, phase noise, frequency tuning range, tuning linearity and output power). Many studies are dedicated to the research of VCO characteristics. 1-8...

From the time a Department of Defense (DoD) program lands on the classified "secret" document known as the Master Urgency List (MUL), most orders placed to complete that program will have a priority rating. Most contractors and subcontractors who deal with these orders must therefore have a working understanding...

When the RF test system and the device-under-test (DUT) both have coaxial connectors, hooking them together to make a measurement is easy. However, as radio-frequency integrated circuits (RFIC) have shrunk in size, traditional coaxial connectors are no longer useful. With the multitude of RF component sizes and shapes found...

In-Stat/MDR estimates that the small business market (firms with 5 to 99 employees), in aggregate, spent more than $154 B on information technology in 2002, up almost four percent from 2001 estimates. By 2006, In-Stat/MDR estimates that small businesses will spend roughly $192 B on information technology products, services...

The semiconductor content of an average vehicle will continue to grow exponentially, stemming from a barrage of new, advance safety, engine and chassis control technologies in new vehicles over the next few years. According to a new report by Allied Business Intelligence Inc. (ABI), the global automotive semiconductor market,...

The year 2002 was a great year for wireless LAN component manufacturers, with sales of wireless LAN chip sets growing strongly over the previous year, despite a very slow world economy and a slow semiconductor market in general. The high tech market research firm, In-Stat/MDR, reports that most of...

An aggressive work plan to revolutionize communications for organizations within the public protection and disaster relief sector has been adopted by Project MESA. The plan was agreed during the sixth plenary meeting of Project MESA, which was held in Ottawa in April and brought together governmental and industrial scientists...