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Subsystems and Systems

Adaptive Feedforward Amplifier Linearizer Using Analog Circuitry

Description of a typical feedforward architecture along with the simulation results of a compensation technique using the least mean square algorithm
TECHNICAL FEATURE Adaptive Feedforward Amplifier Linearizer Using Analog Circuitry Alfonso J. Zozaya, Eduard Bertran Albertí and Jordi Berenguer-Sau Dept. of Signal Theory and Communications Polytechnic University of Catalonia Barcelona, Spain Nowadays, feedforward is the most effective and broadly used linearization technique employed in modern multi-carrier communications systems. Different versions,...
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A Long Range View of Short Range Wireless Systems

In-depth review of current European activity, worldwide expansion and globally competing technologies within the field of short range wireless systems
EUROPEAN SUPPLEMENT A Long Range View of Short Range Wireless Systems Richard Mumford Microwave Journal European Editor The development of short range wireless systems, particularly Bluetooth and wireless local area networks (WLAN) has captured the industry's imagination, if not the market that was initially predicted. Bluetooth technology originated in...
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On the Direct Conversion Receiver -- A Tutorial

A detailed look at the characteristics of the direct conversion receiver
TUTORIAL On the Direct Conversion Receiver -- A Tutorial Increased pressure for low power, small form factor, low cost and reduced bill of materials in such radio applications as mobile communications has driven academia and industry to resurrect the direct conversion receiver. Long abandoned in favor of the mature...
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