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Design, Simulation and Applications of Inductors and Transformers for Si RF ICs

  • Book
  • © 2000

Overview

Authors:
  1. Ali M. Niknejad

    1. Silicon Laboratories, Austin, USA

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    You can also search for this author in PubMed   Google Scholar

  2. Robert G. Meyer

    1. University of California, Berkeley, USA

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    You can also search for this author in PubMed   Google Scholar

Part of the book series: The Springer International Series in Engineering and Computer Science (SECS, volume 586)

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Table of contents (11 chapters)

  1. Front Matter

    Pages i-xix
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  2. Analysis and Simulation of Passive Devices

    1. Introduction

      Pages 3-9

    2. Problem Description

      Pages 11-37

    3. Previous Work

      Pages 39-44

    4. Electromagnetic Formulation

      Pages 45-58

    5. Inductance Calculations

      Pages 59-73

    6. Calculation of Eddy Current Losses

      Pages 75-95

    7. Asitic

      Pages 97-107

    8. Experimental Study

      Pages 109-122

  3. Applications of Passive Devices

    1. Voltage Controlled Oscillators

      Pages 125-147

    2. Distributed Amplifiers

      Pages 149-161

    3. Conclusion

      Pages 163-165

  4. Back Matter

    Pages 167-190
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Keywords

About this book

The modern wireless communication industry has put great demands on circuit designers for smaller, cheaper transceivers in the gigahertz frequency range. One tool which has assisted designers in satisfying these requirements is the use of on-chip inductiveelements (inductors and transformers) in silicon (Si) radio-frequency (RF) integrated circuits (ICs). These elements allow greatly improved levels of performance in Si monolithic low-noise amplifiers, power amplifiers, up-conversion and down-conversion mixers and local oscillators. Inductors can be used to improve the intermodulation distortion performance and noise figure of small-signal amplifiers and mixers. In addition, the gain of amplifier stages can be enhanced and the realization of low-cost on-chip local oscillators with good phase noise characteristics is made feasible. In order to reap these benefits, it is essential that the IC designer be able to predict and optimize the characteristics of on-chip inductiveelements. Accurate knowledge of inductance values, quality factor (Q) and the influence of ad- cent elements (on-chip proximity effects) and substrate losses is essential. In this book the analysis, modeling and application of on-chip inductive elements is considered. Using analyses based on Maxwells equations, an accurate and efficient technique is developed to model these elements over a wide frequency range. Energy loss to the conductive substrate is modeled through several mechanisms, including electrically induced displacement and conductive c- rents and by magnetically induced eddy currents. These techniques have been compiled in a user-friendly software tool ASITIC (Analysis and Simulation of Inductors and Transformers for Integrated Circuits).

Authors and Affiliations

  • Silicon Laboratories, Austin, USA

    Ali M. Niknejad

  • University of California, Berkeley, USA

    Robert G. Meyer

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