The Design of CMOS Impulse Generators for Utlra-wideband Communication and Radar System - 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 The Design of CMOS Impulse Generators for Utlra-wideband Communication and Radar System write by . This book was released on 2011. The Design of CMOS Impulse Generators for Utlra-wideband Communication and Radar System available in PDF, EPUB and Kindle. Impulse generators play an important role in the ultra-wideband (UWB) systems. Particularly in the transmitter, impulse generator performs an interface between input data and the antenna determining the overall performance of the transmitter. After the federal communication commission (FCC) revised the rules for UWB systems usages, the design of impulse generators has been pursued and yet challenging especially using CMOS technology. In this dissertation, three impulse generators are presented with analytical explanations, simulations, and measurements. First, the design and simulation of an impulse generator using TSMC 0.18 ưm CMOS technology is presented. The operating frequency band of the impulse generator is from 3.1 to 10.6 GHz for the application of UWB communications. The structure of the impulse generator is based on the current-steering digital-to-analog converter (DAC). The impulse generator has the feature of high-tunability and easy adoption of modulations. The simulation results show that the output of the impulse generator complies with the FCC regulations and has a power consumption of 27 mW at a 50 MHz pulse repetition frequency. Secondly, an impulse generator using IBM 90 nm CMOS technology for the application of 3.1 to 10.6 GHz UWB systems is proposed. The impulse generator has a simplex architecture using novel digital circuits and a compact passive band-pass filter (BPF). The measurement results show great consistency with the simulation results. The impulse generator has a center frequency of 5.8 GHz and consumes an average power of 0.9 mW at 200 MHz pulse repetition frequency. Finally, an impulse generator using TSMC 0.13 ưm CMOS technology is presented. The operating frequency band of the transmitter is from 22 to 29 GHz for the application of UWB vehicular short-range radar (SRR). The proposed design has a pulse-modulated carrier-based architecture. The simulation results show that the power spectral density of the impulse generator output complies with the FCC regulation with a center frequency tuning range of 800 MHz. The maximum achievable output swing is 1.14 V. The measurement results also show the uniformity with simulation results verifying the work.
Ultra Wideband
Ultra Wideband - 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 Ultra Wideband write by Boris Lembrikov. This book was released on 2010-09-17. Ultra Wideband available in PDF, EPUB and Kindle. Ultra wideband technology is one of the most promising directions in the rapidly developing modern communications. Ultra wideband communication system applications include radars, wireless personal area networks, sensor networks, imaging systems and high precision positioning systems. Ultra wideband transmission is characterized by high data rate, availability of low-cost transceivers, low transmit power and low interference. The proposed book consisting of 19 chapters presents both the state-of-the-art and the latest achievements in ultra wideband communication system performance, design and components. The book is addressed to engineers and researchers who are interested in the wide range of topics related to ultra wideband communications.
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.
CMOS 5th Derivative Gaussian Impulse Generator for UWB Application
CMOS 5th Derivative Gaussian Impulse Generator for UWB Application - 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 CMOS 5th Derivative Gaussian Impulse Generator for UWB Application write by Shin-Chih Chang. This book was released on 2005. CMOS 5th Derivative Gaussian Impulse Generator for UWB Application available in PDF, EPUB and Kindle. Ultra-Wide Bandwidth radio has become a very promising Wireless technology. It possesses major attractive advantages in Wireless Communications, networking, radar, imaging, and positioning systems. UWB impulse radio signals provide an extremely broad bandwidth for transmission and very high data rate over short distance. An all CMOS impulse generator implemented in an Ultra-Wide-Bandwidth (UWB) wireless communication system was designed. The designed impulse generator as the initial and important component in UWB wireless communication generates a 5th derivative Gaussian pulse for transmission. The impulse generator consists of four interpolation delay blocks, an XOR block, and an FIR filter. The function firpm using the Parks-McClellan algorithm was used to optimize the impulse response of the FIR filter. The FIR filter as the pulse shaper convolves with the input signal--a Gaussian pulse to generate the 5th derivative Gaussian pulse. (Abstract shortened by UMI.).
Low Power UWB CMOS Radar Sensors
Low Power UWB CMOS Radar Sensors - 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 Low Power UWB CMOS Radar Sensors write by Hervé Paulino. This book was released on 2008-04-30. Low Power UWB CMOS Radar Sensors available in PDF, EPUB and Kindle. Low Power UWB CMOS Radar Sensors deals with the problem of designing low cost CMOS radar sensors. The radar sensor uses UWB signals in order to obtain a reasonable target separation capability, while maintaining a maximum signal frequency below 2 GHz. This maximum frequency value is well within the reach of current CMOS technologies. The use of UWB signals means that most of the methodologies used in the design of circuits and systems that process narrow band signals, can no longer be applied. Low Power UWB CMOS Radar Sensors provides an analysis between the interaction of UWB signals, the antennas and the processing circuits. This analysis leads to some interesting conclusions on the types of antennas and types of circuits that should be used. A methodology to compare the noise performance of UWB processing circuits is also derived. This methodology is used to analyze and design the constituting circuits of the radar transceiver. In order to validate the design methodology a CMOS prototype is designed and experimentally evaluated.
