Quasi-Synchronous Microcontroller-Based Highly Accurate Digital Sampling of AC Signals

Author

Ihlenfeld, Waldemar G Kürten ; Mohns, Enrico ; Serra, M. ; Dauke, Kristian ; Suchy, Andreas

Author_Institution

Phys.-Technische Bundesanstalt, Braunschweig

Volume

56

Issue

2

fYear

2007

fDate

4/1/2007 12:00:00 AM

Firstpage

414

Lastpage

417

Abstract

An easy-to-use and low-cost quasi-synchronous multichannel digital sampler controller to aid routine laboratory ac measurements by digital sampling is described. Using a single digital sampling voltmeter, accurate measurements of ac quantities can easily be done with uncertainties of a few microvolts per volt. Measurement results and consistent uncertainty calculations are described

Keywords

digital voltmeters; electric current measurement; measurement uncertainty; microcontrollers; signal processing equipment; signal sampling; ac measurements; ac signals; digital sampling voltmeter; measurement uncertainty; quasisynchronous microcontroller; quasisynchronous multichannel digital sampler controller; Analog-digital conversion; Clocks; Decision support systems; Discrete Fourier transforms; Frequency conversion; Hardware; Phase locked loops; Phase measurement; Sampling methods; Voltmeters; Accurate ac measurements; a nalog-to-digital conversion; alternating current (ac) ratio; effective value; sampling methods;

fLanguage

English

Journal_Title

Instrumentation and Measurement, IEEE Transactions on

Publisher

ieee

ISSN

0018-9456

Type

jour

DOI

10.1109/TIM.2007.891039

Filename

4126877