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Linearity and Interference Robustness Improvement Methods for Ultra-wideband CMOS RF Front-end Circuits

2008
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Release : 2008
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Book Synopsis Linearity and Interference Robustness Improvement Methods for Ultra-wideband CMOS RF Front-end Circuits by : Long Bu

Download or read book Linearity and Interference Robustness Improvement Methods for Ultra-wideband CMOS RF Front-end Circuits written by Long Bu. This book was released on 2008. Available in PDF, EPUB and Kindle. Book excerpt: Other than improving the linearity of the LNA, programmable band-select RF front-end circuit is another approach to enhance the robustness of the UWB transceiver to strong narrowband interferers that is proposed in this work. The idea is to grant the LNA the ability to switch pass band, such that the transceiver can detect and avoid the strong narrowband interferers, which greatly improve the ability of UWB RF front-end to survive strong narrowband interferers. Two 3-10 GHz band-select UWB LNAs with active balun, one configurable between narrowband (3-5 GHz) and wideband (3-10 GHz) mode and the other configurable between low band (3-5 GHz) and high band (6-10 GHz) mode, are designed and fabricated in IBM 0.13 um CMOS process to demonstrate the proposed concept.

High-Linearity CMOS RF Front-End Circuits

2004-11-12 Technology & Engineering
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Release : 2004-11-12
Genre : Technology & Engineering
Kind : eBook
Book Rating : 018/5 ( reviews)

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Book Synopsis High-Linearity CMOS RF Front-End Circuits by : Yongwang Ding

Download or read book High-Linearity CMOS RF Front-End Circuits written by Yongwang Ding. This book was released on 2004-11-12. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on high performance radio frequency integrated circuits (RF IC) design in CMOS. 1. Development of radio frequency ICs Wireless communications has been advancing rapidly in the past two decades. Many high performance systems have been developed, such as cellular systems (AMPS, GSM, TDMA, CDMA, W-CDMA, etc. ), GPS system (global po- tioning system) and WLAN (wireless local area network) systems. The rapid growth of VLSI technology in both digital circuits and analog circuits provides benefits for wireless communication systems. Twenty years ago not many p- ple could imagine millions of transistors in a single chip or a complete radio for size of a penny. Now not only complete radios have been put in a single chip, but also more and more functions have been realized by a single chip and at a much lower price. A radio transmits and receives electro-magnetic signals through the air. The signals are usually transmitted on high frequency carriers. For example, a t- ical voice signal requires only 30 Kilohertz bandwidth. When it is transmitted by a FM radio station, it is often carried by a frequency in the range of tens of megahertz to hundreds of megahertz. Usually a radio is categorized by its carrier frequency, such as 900 MHz radio or 5 GHz radio. In general, the higher the carrier frequency, the better the directivity, but the more difficult the radio design.

Dissertation Abstracts International

2009 Dissertations, Academic
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Release : 2009
Genre : Dissertations, Academic
Kind : eBook
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Book Synopsis Dissertation Abstracts International by :

Download or read book Dissertation Abstracts International written by . This book was released on 2009. Available in PDF, EPUB and Kindle. Book excerpt:

Silicon-Based RF Front-Ends for Ultra Wideband Radios

2007-12-28 Technology & Engineering
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Release : 2007-12-28
Genre : Technology & Engineering
Kind : eBook
Book Rating : 224/5 ( reviews)

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Book Synopsis Silicon-Based RF Front-Ends for Ultra Wideband Radios by : Aminghasem Safarian

Download or read book Silicon-Based RF Front-Ends for Ultra Wideband Radios written by Aminghasem Safarian. This book was released on 2007-12-28. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive study of silicon-based distributed architectures in wideband circuits are presented in this book. Novel circuit architectures for ultra-wideband (UWB) wireless technologies are described. The book begins with an introduction of several transceiver architectures for UWB. The discussion then focuses on RF front-end of the UWB radio. Therefore, the book will be of interest to RF circuit designers and students.

Ultra-Low Power FM-UWB Transceivers for IoT

2022-09-01 Technology & Engineering
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Release : 2022-09-01
Genre : Technology & Engineering
Kind : eBook
Book Rating : 490/5 ( reviews)

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Book Synopsis Ultra-Low Power FM-UWB Transceivers for IoT by : Vladimir Kopta

Download or read book Ultra-Low Power FM-UWB Transceivers for IoT written by Vladimir Kopta. This book was released on 2022-09-01. Available in PDF, EPUB and Kindle. Book excerpt: Over the past two decades we have witnessed the increasing popularity of the internet of things. The vision of billions of connected objects, able to interact with their environment, is the key driver directing the development of future communication devices. Today, power consumption as well as the cost and size of radios remain some of the key obstacles towards fulfilling this vision. Ultra-Low Power FM-UWB Transceivers for IoT presents the latest developments in the field of low power wireless communication. It promotes the FM-UWB modulation scheme as a candidate for short range communication in different IoT scenarios. The FM-UWB has the potential to provide exactly what is missing today. This spread spectrum technique enables significant reduction in transceiver complexity, making it smaller, cheaper and more energy efficient than most alternative options. The book provides an overview of both circuit-level and architectural techniques used in low power radio design, with a comprehensive study of state-of-the-art examples. It summarizes key theoretical aspects of FM-UWB with a glimpse at potential future research directions. Finally, it gives an insight into a full FM-UWB transceiver design, from system level specifications down to transistor level design, demonstrating the modern power reduction circuit techniques. Ultra-Low Power FM-UWB Transceivers for IoT is a perfect text and reference for engineers working in RF IC design and wireless communication, as well as academic staff and graduate students engaged in low power communication systems research.

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