Integrated Radio Frequency Synthesizers - Ahola, Rami
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This book consists of six publications and an overview of the research topic. The research described in this book concentrates on the design of phase-locked loop radio frequency synthesizers for wireless applications. In particular, the focus is on the implementation of the prescaler, the phase detector and the chargepump. This work reviews the requirements set for the frequency synthesizer by the wireless standards, and how these requirements are derived from the system specifications. These requirements apply to both integer-N and fractional-N synthesizers. The work also introduces the…mehr

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Produktbeschreibung
This book consists of six publications and an overview of the research topic. The research described in this book concentrates on the design of phase-locked loop radio frequency synthesizers for wireless applications. In particular, the focus is on the implementation of the prescaler, the phase detector and the chargepump. This work reviews the requirements set for the frequency synthesizer by the wireless standards, and how these requirements are derived from the system specifications. These requirements apply to both integer-N and fractional-N synthesizers. The work also introduces the special considerations related to the design of fractional-N phase-locked loops. Implementation alternatives for the different building blocks of the synthesizer are reviewed, and new topologies for the phase detector and the chargepump as well as improved topologies for high speed CMOS prescalers are introduced. The experimental results show that the presented topologies can be successfully usedin both integer-N and fractional-N synthesizers with state-of-the-art performance. Finally, additional considerations of integrating a frequency synthesizer into a full transceiver chip are discussed
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Autorenporträt
Rami Ahola received the M.Sc. and D.Sc. degrees in electrical engineering from Helsinki University of Technology, Finland, in 1997 and 2005, respectively. From 2000 to 2004 he worked as a Design Team Manager at Spirea AB in Stockholm and Helsinki. Since 2005 he has been a Principal Technical Manager at Mentor Graphics in Helsinki and Dallas.