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Modified Charge Amplifier for Stray Immune Capacitance Measurements

Oven, Robert (2014) Modified Charge Amplifier for Stray Immune Capacitance Measurements. IEEE Transactions on Instrumentation and Measurement, 63 (7). pp. 1748-1752. ISSN 0018-9456. (doi:10.1109/TIM.2014.2298673) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:41706)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided.
Official URL:
http://dx.doi.org/10.1109/TIM.2014.2298673

Abstract

It is shown theoretically and by experimentation that the ac stray immune capacitance meter based on the charge amplifier circuit can be modified to reduce the effects of the parasitic capacitance across the feedback capacitor. This is achieved by simply introducing a unity gain buffer amplifier within the circuit loop.

Item Type: Article
DOI/Identification number: 10.1109/TIM.2014.2298673
Uncontrolled keywords: AUTHOR KEYWORDS Capacitance measurement capacitive sensor charge amplifier operational amplifier parasitic capacitance parasitic capacitance. IEEE TERMS Bandwidth Capacitance measurement Capacitors Immune system Impedance Parasitic capacitance
Subjects: T Technology
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Tina Thompson
Date Deposited: 08 Jul 2014 11:07 UTC
Last Modified: 17 Aug 2022 10:57 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/41706 (The current URI for this page, for reference purposes)

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