A simple current-to-voltage interface for dielectric relaxation measurements in the range

Richert, Ranko
September 1996
Review of Scientific Instruments;Sep96, Vol. 67 Issue 9, p3217
Academic Journal
Presents a simple current-to-voltage interface for dielectric relaxation measurements in the range 10[sup -3] to 10[sup 7] Hz. Design of a feedback network for a standard operational amplifier-based current-to-voltage converter; Measurement of the frequency range with high resolution needed for conclusive dielectric relaxation spectroscopy.


Related Articles

  • Dielectric Measurements of Aqueous Solutions of Electrolytes. Podkin, Yu.; Rozental, O. // Measurement Techniques;Mar2014, Vol. 56 Issue 12, p1439 

    A device for the resonant measuring conversion of the components of a parallel CG two-terminal network, which provides reliable information on the dielectric characteristics of aqueous solutions, is proposed. The results of experimental investigations, which confirm that the converter meets the...

  • Measuring colloidal suspensions with dielectric spectroscopy. Siano, Steven // R&D Magazine;Feb96, Vol. 38 Issue 2, p45 

    Reports that researchers use dielectric spectroscopy, to measure a suspension's permittivity versus applied frequency, to determine the colloidal concentration. Definition of colloidal suspension; Comments from researcher, Beth Junker. INSET: How electrodeless probes work..

  • Growth and dielectric behavior of radio frequency magnetron-sputtered lead magnesium niobate thin films. Jaydeep, Shreekala; Yadav, S.; Malla, B. P.; Kulkarni, A. R.; Venkatramani, N. // Applied Physics Letters;11/11/2002, Vol. 81 Issue 20, p3840 

    Lead magnesium niobate (PMN) thin films have been grown on quartz/Cr/Au substrates from a single target source by rf magnetron sputtering at room temperature. Sputtering parameters and the post-annealing temperature have been optimized to obtain phase pure PMN films. Grain sizes, obtained from...

  • Diary Dates.  // Converter;Nov2012, Vol. 49 Issue 10, p5 

    A calendar of events for the international converter manufacturer industry for December 2012-April 2014 is presented, which includes the South China Label Show 2012, the LabelExpo Europe and the FachPack.

  • Adjustable resonant cavity for measuring the complex permittivity of dielectric materials. Gershon, D.; Calame, J. P.; Calame, J.P.; Carmel, Y.; Antonsen, T. M.; Antonsen Jr., T.M. // Review of Scientific Instruments;Aug2000, Vol. 71 Issue 8 

    An adjustable resonance cavity was developed to measure the complex permittivity of dielectric materials. The cavity has an inner diameter of 16.400 cm and an inner height of 2.54 cm. The aluminum stationary wall holder was positioned about 10.8 cm above the top of the cavity. It was fixed into...

  • Technique for measuring the frequency-dependent complex dielectric constants of liquids up to 20 GHz. Wei, Yan-Zhen; Sridhar, S. // Review of Scientific Instruments;Sep89, Vol. 60 Issue 9, p3041 

    A technique for the measurement of the frequency-dependent complex dielectric constant ∈ = ∈' - j∈' of liquids applicable to frequencies up to at least 20 GHz is described. The technique utilizes a coaxial probe dipped into the liquid. The reflection coefficient of the probe was...

  • Measurement of the complex dielectric constant of lossy fibers and rods at microwave frequencies. Lind, Arthur C.; Wenger, Terry R. // Review of Scientific Instruments;May87, Vol. 58 Issue 5, p844 

    Three related waveguide devices are described for measuring the dielectric constants of fibers and rods. In each device the sample is located one-quarter guide wavelength from the shorted end of the waveguide. A slot in the side or end of the guide permits easy insertion and removal of a fiber...

  • Dielectric measurements with a resonance method for comparing low-value three-terminal capacitors. Courteau, R.; Bose, T. K. // Review of Scientific Instruments;Jun87, Vol. 58 Issue 6, p1096 

    A resonance system for comparing low-value three-terminal capacitors with an active guard circuit based on an instrumentation amplifier is described in detail. The system is simple, easy to calibrate, and permits precise measurement of lossy three-terminal capacitors in the frequency range 50...

  • Resonators for accurate dielectric measurements in conducting liquids Hamelin, Jean; Mehl, James B.; Moldover, Michael R. // Review of Scientific Instruments;Jan1998, Vol. 69 Issue 1, p255 

    Describes a modified radio-frequency resonator for accurate measurements of zero-frequency dielectric constant of conducting liquid. Analysis of resonance frequency using lumped-component equivalent circuit; Link between resonance frequency and quality factor of resonance; Determination of...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics