Coaxial Electrical Circuits for Interference-Free Measurements

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  • Author:

  • Year: 2011

  • Format: Paperback

  • Product Code: PBEL0130

  • ISBN: 978-1-84919-069-5

  • Pagination: 504 pp.

  • Stock Status: In stock

£50.70 Member price

£78.00 Full price


The National Measurement Laboratories are the source of measurements standards and techniques for the scientific community and are dedicated to establishing and maintaining a consistent international system of units. This requires measurement standards and their dissemination with the lowest possible uncertainty to the scientific community and industry.

To accomplish this careful attention to detail is required in measurement systems designed to be as close to first principles as possible and attaining the best possible measurement resolution by eliminating disturbing influences such as extraneous electrical interference. the aim of this book is to offer guidance and best practice in electrical measurements applicable to any required accuracy level.

The book describes measurements and application of sensitive electrical circuits, with examples of the ultimate in noise-matching and interference elimination, in precise and accurate voltage, current and power measurements demonstrating the elegance, flexibility and utility of coaxial AC bridges. It also serves to up-date an earlier publication by one of the authors and includes more recent work on AC measurements of quantum Hall resistance to provide a primary quantum standard of impedance and the extension of coaxial networks to higher frequencies.

Book review

“…The book is written in a clear and accessible style, with considerable attention to constructional principles and techniques. I am convinced that it will serve as an important source of information for professionals using measuring instruments in various fields of science and technology, for designers of new measuring devices and, last but not least, for the staffs of metrological institutions and calibration laboratories.  It can also be recommended as a course book for advanced courses on metrology of electrical quantities.” Jaroslav Bohacek, July 2011.

“It should appeal to degree-level physicists or electrical engineers who wish to make good electrical measurements or who are interested in discovering the limits of measurements in this field.
Ideally this book should be read before starting either the design of a measurement system, or purchasing any parts of the system.
By reading this book and understanding the principles expounded, a physicist or engineer will be in a much better position to ask awkward questions of equipment manufacturers and build an electrical measurement system which works, if not first time, then very soon afterwards.” Ian Robinson, July 2011

Book readership

Students and professionals with an interest or working in electronics engineering.

Book contents

The concept of  a low-frequency coaxial network; Applications in sensitive and measurement circuitry; General principles of accurate impedance measurement; Impedance standards; Transformers; Sources, detectors, cables and connectors; Examples of bridges for impedance comparison; Bridges to measure the ration of like impedances.

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