"This book is about the theory and practice of spectrum and network measurements in electronic systems. It is intended for readers who have a background in electrical engineering and use spectrum analyzers and network analyzers to characterize electronic signals or systems in the frequency domain. The book can certainly be read cover to cover@ but it is also organized into independent chapters and subchapters. This allows the reader to read selectively and enhances the usefulness of the book as a reference. Chapter 1 is an introduction to spectrum and network measurements. Decibels are an often used and misused concept so Chapter 2 is devoted to that topic. Fourier theory@ the theoretical basis for spectrum analysis@ is summarized in Chapter 3. The two main types of spectrum analyzers (FFT analyzers and swept analyzers) are discussed in Chapters 4 and 5. Chapters 6 through 9 cover several important measurement applications: modulated signals@ signal distortion@ noise@ and pulsed waveforms. Averaging and filtering are covered together in Chapter 10. Chapters 11 and 12 cover transmission lines and measurement connection techniques. Chapter 13 introduces two-port network theory@ which is the basis for network analysis. Chapters 14 through 16 cover network analyzers and their use in making transmission and reflection measurements. Chapter 17 ends the book with a discussion of instrument performance and specifications. Author Robert A. Witte "