1、 IEC 62810 Edition 1.0 2015-02 INTERNA TIONAL STA NDA RD Cy lindrical cav ity method to measure the complex permittiv ity of low-loss dielectric rods IEC 62810:2015-02(en)colourinsideCopyright International Electrotechnical Commission THIS PUBLICA TION IS COPYRIGHT PROTECTED Copyright 2015 IEC,Genev
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11、 NDA R D Cylindrical cav ity method to measure the complex permittiv ity of low-loss dielectric rods INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 33.120.30 ISBN 978-2-8322-2264-5 R egist er ed tr ademar k of t he Int er national Electr ot echnical Commission Warning!Make sure that you obtained this
12、 publication from an authorized distributor.colourinsideCopyright International Electrotechnical Commission 2 IEC 62810:2015 IEC 2015 CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Measurement parameters.5 4 Theory and calculation equations.5 5 Measurement system.12 6 Measurement procedure
13、.14 6.1 Preparation of measurement apparatus.14 6.2 Measurement of reference level.14 6.3 Measurement of cavity parameters:r.14 6.4 Measurement of complex permittivity of test sample:,tan d.15 Annex A(informative)Example of measurement results and accuracy.16 A.1 Measurement of and tand values.16 A.
14、2 Measurement uncertainty of and tand.17 Bibliography.19 Figure 1 Structure of a cylindrical cavity resonator.6 Figure 2 Correction factor C1 for.7 Figure 3 Correction factor C2 for tand with the different values of d1.9 Figure 4 Schematic diagram of measurement systems.13 Figure 5 Resonance frequen
15、cy f0,insertion attenuation IA0 and half-power band width fBW.14 Figure 6 Frequency responses of the TM010 mode of cylindrical cavity.15 Table 1 Numerical values of correction factor C1.8 Table 2 Numerical values of correction factor C2.10 Table 3 Numerical values of correction factor C2.11 Table A.
16、1 The parameters of the cavity and the rod sample.16 Table A.2 The resonant frequencies and unloaded Q-factors.16 Table A.3 The approximate values and the relative conductivity value.16 Table A.4 Correction factors and the measurement results.16 Table A.5 The measurement uncertainty of .17 Table A.6 The measurement uncertainty of tand.18 Copyright International Electrotechnical Commission IEC 62810:2015 IEC 2015 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ CYLINDRICAL CAVITY METHOD TO MEASURE T
