"The attempt in this book is to provide a broad approach to understanding complete instrument systems and appreciating their internal designs"" embracing many digital circuit blocks coupled with the mixed signal circuitry in instrumentation systems. In this work a large amount of published material from US industry and academia has been used. In Chapter 1 a descriptive introduction of various parameters of instrumentation are provided. Chapter 2 discusses various technologies of instrumentation. Chapter 3 is an introduction of data converters Fluke Corporation of USA and their Wavetek Instruments Division. Much of the material in Chapters 4 is on Waveforms Author Nihal Kularatna"