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The Book End

December 1, 2001
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The Book End


Transmission Lines and Wave Propagation

P.C. Magnusson, G.C. Alexander, V.K. Tripathi and A. Weisshaar

CRC Press LLC
519 pages; $89.95, £59.99
ISBN: 0-8493-0269-2

This is the fourth edition of this book. To electrical engineers, a transmission line is a distributed parameter physical system, one in which voltage and current must be regarded as continuous functions of location along the given line. The electrical analysis of a transmission line involves two independent variables, time and distance, and, thanks to linearity, mathematics may be applied advantageously. The presentation in this book is a mathematical one but with emphasis on physical interpretation.

The first seven chapters examine transmission line response in terms of voltage and current, using distributed circuit parameters. Chapter 8 is devoted to the ladder network delay line, a lumped element network, which at sufficiently low frequencies has properties corresponding to those of a distributed parameter line.

New to this edition is Chapter 9, Coupled Transmission Lines, which deals with applications such as directional couplers, and cross-talk between transmission lines which are in proximity to each other.

Other changes that were incorporated in this revision include the addition of a section on transmission in fiber-optic cables and an expanded analysis of step-function response on a skin-effect-lossy line. These changes complement previous additions of materials on the Bergeron graphical analysis of reflection behavior, the ABCD matrix, and earth currents and formulas for the impedance of ground return circuits, as well as a descriptive treatment of the elliptical cylindrical waveguide and the expansion of Chapter 1 to emphasize the dependence of the line parameters on frequency and temperature.

Chapters 10 through 15 deal with dynamic field theory, which involves three spatial dimensions rather than one, and hence four independent variables, applying Maxwell's equations to transmission lines to supplement the treatment of the earlier chapters and then to waveguides.

Also included are several appendices on: vector analysis-definitions and formulas, Bessel functions, parallel-slab equivalent of a slotted coaxial line, earth currents and distributed impedances, low temperature impedance effects, and a table of physical constants.

To order this book, contact: CRC Press LLC, PO Box 31225, Tampa, FL 33631-3225 (800) 272-7737.


Design of RF and Microwave Amplifiers and Oscillators

Pieter L.D. Abrie

Artech House Inc.
480 pages plus diskette; $105, £72
ISBN: 0-89006-797-X

Design of RF and Microwave Amplifiers and Oscillators addresses the design of radio frequency and microwave amplifiers and oscillators. Its focus is on iterative synthesis techniques.

A main feature is the introduction of a generalized approach to estimate the output power (1dB compression point) of a linear amplifier without resorting to non-linear analysis techniques. The small-signal model and four boundary lines on the DC I-V curves of each transistor are used in this approach. All the normal operations associated with the S-parameters and noise parameters of a linear circuit (feedback, loading, cascading, changes in configuration) are also allowed with the proposed power parameters. The basic principle in this approach is that the output power of a transistor is mainly limited by clipping of the intrinsic current or voltage.

The material in this book is organized as follows: Analysis and characterization of RF and microwave circuits with Y-, Z-, T- and S-parameters are considered in Chapter 1. Characterization and analysis of the noise and power performance of active circuits are covered in Chapter 2. Radio frequency components are the subject of Chapter 3, including basic inductor, capacitor and resistor models. Coaxial cables and microstrip transmission lines are also considered in this chapter. Resonant circuits and the design of narrow band impedance matching networks (L-, T- and PI-sections) are investigated in Chapter 4. Coupled coils and conventional transformers are covered in Chapter 5, and transmission-line transformers in Chapter 6. Film resistors and single-layer, parallel-plate capacitors are the subject of Chapter 7, while Chapter 8 is devoted to the design of wide band impedance matching networks. Microwave lumped elements and distributed equivalents for inductors and capacitors are covered in Chapter 9. The design of cascade amplifiers, lossless feedback amplifiers and oscillators is considered in Chapter 10.

A diskette containing upgraded and expanded versions of the main computer programs are provided in both source code and executable formats.

To order this book, contact: Artech House Inc., 685 Canton St., Norwood, MA 02062 (781) 769-9750, Ext. 4002; or Gillingham St., London SW1V 1HH, UK +44 (0) 20 7596-8750.

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