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Radiofrequency Voltage Measurements: Extension of Primary Power Standard below 10 MHz

Marco Sellone

ISBN 10: 3848432749 / ISBN 13: 9783848432745
Published by LAP LAMBERT Academic Publishing, 2012
Condition: Good Soft cover
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Bibliographic Details

Title: Radiofrequency Voltage Measurements: ...

Publisher: LAP LAMBERT Academic Publishing

Publication Date: 2012

Binding: Paperback

Book Condition:Good

About this title

Synopsis:

In the alternate voltage field at INRiM, the italian NMI, the reference voltage standard under 1 MHz is maintained in terms of AC-DC Transfer Difference. On the other hand, over 10 MHz, the meaningful quantity is the electrical power which is always definable: for this reason the reference standard is maintained through the microcalorimetric technique. However, a gap exists between 1 MHz and 10 MHz in which no reference standard is defined, at least at INRiM. In the past this situation was not a problem, but recently an increasing demand for calibration over 1 MHz in terms of voltage and under 10 MHz in terms of power required to fill the existing metrological gap. Since the microcalorimetric technique is not further downward extensible, due to the fact that all the technical solutions adopted are at the state of the art, an alternative way must be found to fill the gap. The proposal is to extend the voltage measurements above the limit of 1 MHz, technique already adopted in other metrological institutes, that is to extend the AC-DC Transfer Difference Standard. On the other hand a new procedure will be proposed to derive power measurements from the same voltage set-up.

About the Author:

Dr. Marco Sellone reached his Ph.D. in Metrology from Politecnico di Torino in 2009. Since 2005 he has been working at INRIM - Istituto Nazionale di Ricerca Metrologica, Turin, the italian NMI. His main fields of interest are the Radio Frequency Power and Impedance measurements, mainly regarding Scattering Parameters using Vector Network Analyzers.

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