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Multi-GHz Frequency Synthesis & Division

2007-05-08 Technology & Engineering
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Release : 2007-05-08
Genre : Technology & Engineering
Kind : eBook
Book Rating : 065/5 ( reviews)

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Book Synopsis Multi-GHz Frequency Synthesis & Division by : Hamid R. Rategh

Download or read book Multi-GHz Frequency Synthesis & Division written by Hamid R. Rategh. This book was released on 2007-05-08. Available in PDF, EPUB and Kindle. Book excerpt: In the past 10 years extensive effort has been dedicated to commercial wireless local area network (WLAN) systems. Despite all these efforts, however, none of the existing systems has been successful, mainly due to their low data rates. The increasing demand for WLAN systems that can support data rates in excess of 20 Mb/s enticed the FCC to create an unlicensed national information infrastructure (U–NII) band at 5 GHz. This frequency band provides 300 MHz of spectrum in two segments: a 200 MHz(5.15–5.35 GHz) and a 100 MHz (5.725–5.825 GHz) frequency band. This newly released spectrum, and the fast trend of CMOS scaling, provide an opportunity to design WLAN systems with high data rate and low cost. One of the existing standards at 5 GHz is the European high performance radio LAN (HIPERLAN) standard that supports data rates as high as 20 Mb/s. One of the main building blocks of each wireless system is the f- quency synthesizer. Phase–locked loops (PLLs) are universally used to design radio frequency synthesizers. Reducing the power consumption of the frequency dividers of a PLL has always been a challenge. In this book, we introduce an alternative solution for conventional flipflop based xiv MULTI–GHZ FREQUENCY SYNTHESIS & DIVISION frequency dividers. An injection–locked frequency divider (ILFD) takes advantage of the narrowband nature of the wireless systems and employs resonators to trade off bandwidth for power.

Low Power CMOS Frequency Division and Synthesis at Multi-GHz Frequencies

2001
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Release : 2001
Genre :
Kind : eBook
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Book Synopsis Low Power CMOS Frequency Division and Synthesis at Multi-GHz Frequencies by : Hamid R. Rategh

Download or read book Low Power CMOS Frequency Division and Synthesis at Multi-GHz Frequencies written by Hamid R. Rategh. This book was released on 2001. Available in PDF, EPUB and Kindle. Book excerpt:

Low-Voltage CMOS RF Frequency Synthesizers

2004-08-26 Technology & Engineering
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Release : 2004-08-26
Genre : Technology & Engineering
Kind : eBook
Book Rating : 579/5 ( reviews)

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Book Synopsis Low-Voltage CMOS RF Frequency Synthesizers by : Howard Cam Luong

Download or read book Low-Voltage CMOS RF Frequency Synthesizers written by Howard Cam Luong. This book was released on 2004-08-26. Available in PDF, EPUB and Kindle. Book excerpt: A frequency synthesizer is one of the most critical building blocks in any wireless transceiver system. Its design is getting more and more challenging as the demand for low-voltage low-power high-frequency wireless systems continuously grows. As the supply voltage is decreased, many existing design techniques are no longer applicable. This book provides the reader with architectures and design techniques to enable CMOS frequency synthesizers to operate at low supply voltage at high frequency with good phase noise and low power consumption. In addition to updating the reader on many of these techniques in depth, this book will also introduce useful guidelines and step-by-step procedure on behaviour simulations of frequency synthesizers. Finally, three successfully demonstrated CMOS synthesizer prototypes with detailed design consideration and description will be elaborated to illustrate potential applications of the architectures and design techniques described. For engineers, managers and researchers working in radio-frequency integrated-circuit design for wireless applications.

Old Boys and Girls' Re-union Strathroy August 2-3-4-5-6, 1919

1919 Middlesex (Ont.)
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Release : 1919
Genre : Middlesex (Ont.)
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Book Synopsis Old Boys and Girls' Re-union Strathroy August 2-3-4-5-6, 1919 by :

Download or read book Old Boys and Girls' Re-union Strathroy August 2-3-4-5-6, 1919 written by . This book was released on 1919. Available in PDF, EPUB and Kindle. Book excerpt:

Frequency Synthesizers

2005-09-26 Technology & Engineering
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Release : 2005-09-26
Genre : Technology & Engineering
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Book Synopsis Frequency Synthesizers by : Vadim Manassewitsch

Download or read book Frequency Synthesizers written by Vadim Manassewitsch. This book was released on 2005-09-26. Available in PDF, EPUB and Kindle. Book excerpt: The landmark text on frequency synthesizers-now in paperback Frequency Synthesizers: Theory and Design, Third Edition is the newest edition of Vadim Manassewitsch's definitive treatment of the subject. Updated to include the latest achievements in the performance of crystal-controlled oscillators, the design theory of fast-switching-time synthesizers, and an example of their practical applications, the book continues to be a complete guide for everyone who works with synthesizers. Intended to formulate basic design principles and to demonstrate design procedures meeting several stringent requirements simultaneously, its emphasis is on high-speed synthesis and its new applications in radar, spread spectrum communications, automatic test equipment, and nuclear magnetic resources. Manassewitsch describes numerous approaches to ultra-stable signal sources generating spectrally pure signals of high accuracy, and shows how various building blocks such as mixers, oscillators, and frequency multipliers and dividers are used in frequency synthesis. To meet the needs of engineers in this rapidly growing field, Manassewitsch has added several novel frequency synthesis techniques, developed the principles of high-speed synthesis, and described new synthesizers using important design approaches. A summary of the most recent developments in frequency generation and control, the book is firmly based on the realities of current design practices in the United States as well as abroad. With an intermodulation products chart among its figures, a computer program that calculates the frequencies of mixer intermodulation products among its appendices, and a bibliography of more than 190 references, Frequency Synthesizers: Theory and Design continues to be an invaluable aid for engineers, managers, instructors, and students.

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