Dual oscilloscope interface with a galvanic isolation

This paper deals with a design and construction of a dual-channel oscilloscope interface which enables concurrent measurement of voltage and current waveforms up to 30 kHz. The operation of the unit is based on a capacitive coupling through and isolation barrier inside a custom integrated circuit. T...

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Bibliographic Details
Main Authors: Pospíšilík, Martin, Neumann, Petr, Adámek, Milan
Format: Article in Journal/Newspaper
Language:English
Published: North Atlantic University Union (NAUN) 2014
Subjects:
Differential measurement
Galvanic isolation
Isolating amplifier
Oscilloscope
North Atlantic
Online Access:http://publikace.k.utb.cz/handle/10563/1005662
Description
Summary:This paper deals with a design and construction of a dual-channel oscilloscope interface which enables concurrent measurement of voltage and current waveforms up to 30 kHz. The operation of the unit is based on a capacitive coupling through and isolation barrier inside a custom integrated circuit. The construction is cheap and easy to be bulit. Two samples of the device were bulit and tested at certain service operations. Based on the experience, several modifications have been proposed. These proposals are included in this paper as well. © 2014 North Atlantic University Union. All rights reserved.

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