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ElectroComponent Science and Technology
Volume 4 (1977), Issue 1, Pages 37-42
http://dx.doi.org/10.1155/APEC.4.37

New Approaches to the Direct Measurement of Capacitance

1Department of Electrical and Electronic Engineering, The University of Nottingham, University Park, Nottingham, UK
2Electronic Services and Products (ESP) Ltd., Long March Industrial Estate, Northants, Daventry, UK

Received 14 April 1977; Accepted 22 April 1977

Copyright © 1977 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The limitations of conventional a.c. capacitance measuring techniques, for such measurements as MIS interface capacitance and measurements of large value electrolytics, has lead to a demand for new methods of capacitance measuring. This article reviews two new approaches which are presently being employed – the quadrature P.S.D. technique and time encoded ballistic techniques.