This chapter presents the application of coaxial network for interference free measurements. Interference-free balanced-current circuitry evolved from the need to develop bridge measurements of standard impedances to obtain ever higher accuracies to satisfy demands for better characterisation of passive electronic and electrical circuit components. In this book, we are concerned with conductor-pair networks where one network of the pair has a low impedance compared to the other, and where the current in any one conductor is matched by an equal and opposite current in the other conductor of the pair. The potential differences between corresponding nodes of the pair of networks are quantities of interest because, for example, detectors or sources are to be connected between a pair of corresponding nodes.
The concept of a low-frequency coaxial network, Page 1 of 2
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