Development of RF CMOS Receiver Front-ends for Ultra-wideband Communications - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Development of RF CMOS Receiver Front-ends for Ultra-wideband Communications write by Xin Guan. This book was released on 2010. Development of RF CMOS Receiver Front-ends for Ultra-wideband Communications available in PDF, EPUB and Kindle. Ultra-Wideband (UWB) technology has become one of the hottest topics in wireless communications, for it provides cost-effective, power-efficient, high bandwidth solution for relaying data in the immediate area (up to 10 meters). This work demonstrates two different solutions for the RF front-end designs in the UWB receivers, one is distributed topology, and the other is based on traditional lumped element topology. The distributed amplifier is one of the attractive candidates for UWB Low Noise Amplifier (LNA). The design, analysis and operation of the distributed amplifiers will be presented. A distributed amplifier is designed with Coplanar Waveguide (CPW) transmission lines in 0.25-[micron] CMOS process for time domain UWB applications. New design techniques and new topologies are developed to enhance the power-efficiency and reduce the chip area. A compact and high performance distributed amplifier with Patterned Grounded Shield (PGS) inductors is developed in 0.25-[micron] CMOS process. The amplifier has a measurement result of 7.2dB gain, 4.2-6dB noise figure, and less than -10dB return loss through 0-11GHz. A new distributed amplifier implementing cascade common source gain cells is presented in 0.18-[micron] CMOS. The new amplifier demonstrates a high gain of 16dB at a power consumption of 100mW, and a gain of 10dB at a low power consumption of 19mW. A UWB LNA utilizing resistive shunt feedback technique is reported in 0.18-[micron] CMOS process. The measurement results of the UWB LNA demonstrate a maximum gain of 10.5dB and a noise figure of 3.3-4.5dB from 3-9.5GHz, while only consuming 9mW power. Based on the distributed amplifier and resistive shunt-feedback amplifier designs, two UWB RF front-ends are developed. One is a distributed LNA-Mixer. Unlike the conventional distributed mixer, which can only deliver low gain and high noise figure, the proposed distributed LNA-Mixer demonstrates 12-14dB gain,4-5dB noise figure and higher than 10dB return loss at RF and LO ports over 2-16GHz. To overcome the power consumption and chip area problems encountered in distributed circuits, another UWB RF front-end is also designed with lumped elements. This front-end, employing resistive shunt-feedback technique into its LNA design, can achieve a gain of 12dB and noise figure of 8-10dB through 3-10GHz, the return loss of less than -10dB from 3- 10GHz at RF port, and less than -7dB at LO port, while only consuming 25mA current from 1.8V voltage supply.
Silicon-Based RF Front-Ends for Ultra Wideband Radios
Silicon-Based RF Front-Ends for Ultra Wideband Radios - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Silicon-Based RF Front-Ends for Ultra Wideband Radios write by Aminghasem Safarian. This book was released on 2007-12-28. Silicon-Based RF Front-Ends for Ultra Wideband Radios available in PDF, EPUB and Kindle. 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.
Design of RF CMOS Front-End for Ultra-Wideband Wireless Receiver
Design of RF CMOS Front-End for Ultra-Wideband Wireless Receiver - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Design of RF CMOS Front-End for Ultra-Wideband Wireless Receiver write by 黃哲揚. This book was released on 2006. Design of RF CMOS Front-End for Ultra-Wideband Wireless Receiver available in PDF, EPUB and Kindle.
Design of CMOS RFIC Ultra-Wideband Impulse Transmitters and Receivers
Design of CMOS RFIC Ultra-Wideband Impulse Transmitters and Receivers - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Design of CMOS RFIC Ultra-Wideband Impulse Transmitters and Receivers write by Cam Nguyen. This book was released on 2017-03-21. Design of CMOS RFIC Ultra-Wideband Impulse Transmitters and Receivers available in PDF, EPUB and Kindle. This book presents the design of ultra-wideband (UWB) impulse-based transmitter and receiver frontends, operating within the 3.1-10.6 GHz frequency band, using CMOS radio-frequency integrated-circuits (RFICs). CMOS RFICs are small, cheap, low power devices, better suited for direct integration with digital ICs as compared to those using III-V compound semiconductor devices. CMOS RFICs are thus very attractive for RF systems and, in fact, the principal choice for commercial wireless markets. The book comprises seven chapters. The first chapter gives an introduction to UWB technology and outlines its suitability for high resolution sensing and high-rate, short-range ad-hoc networking and communications. The second chapter provides the basics of CMOS RFICs needed for the design of the UWB RFIC transmitter and receiver presented in this book. It includes the design fundamentals, lumped and distributed elements for RFIC, layout, post-layout simulation, and measurement. The third chapter discusses the basics of UWB systems including UWB advantages and applications, signals, basic modulations, transmitter and receiver frontends, and antennas. The fourth chapter addresses the design of UWB transmitters including an overview of basic components, design of pulse generator, BPSK modulator design, and design of a UWB tunable transmitter. Chapter 5 presents the design of UWB receivers including the design of UWB low-noise amplifiers, correlators, and a UWB 1 receiver. Chapter 6 covers the design of a UWB uniplanar antenna. Finally, a summary and conclusion is given in Chapter 7.
High-Linearity CMOS RF Front-End Circuits
High-Linearity CMOS RF Front-End Circuits - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook High-Linearity CMOS RF Front-End Circuits write by Yongwang Ding. This book was released on 2006-02-08. High-Linearity CMOS RF Front-End Circuits available in PDF, EPUB and Kindle. 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.
