{"id":233586,"date":"2024-10-19T15:13:46","date_gmt":"2024-10-19T15:13:46","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-628102015\/"},"modified":"2024-10-25T09:43:59","modified_gmt":"2024-10-25T09:43:59","slug":"bs-en-628102015","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-628102015\/","title":{"rendered":"BS EN 62810:2015"},"content":{"rendered":"
IEC 62810:2015 relates to a measurement method for complex permittivity of a dielectric rod at microwave frequency. This method has been developed to evaluate the dielectric properties of low-loss materials in coaxial cables and electronic devices used in microwave systems. It uses the TM010 mode in a circular cylindrical cavity and presents accurate measurement results of a dielectric rod sample, where the effect of sample insertion holes is taken into account accurately on the basis of the rigorous electromagnetic analysis.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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5<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 1 Scope 2 Normative references 3 Measurement parameters 4 Theory and calculation equations <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | Figures Figure 1 \u2013 Structure of a cylindrical cavity resonator <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | Figure 2 \u2013 Correction factor C1 for \u03b5 <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | Tables Table 1 \u2013 Numerical values of correction factor C1 <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | Figure 3 \u2013 Correction factor C2 for tand with the different values of d1 <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | Table 2 \u2013 Numerical values of correction factor C2 <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | Table 3 \u2013 Numerical values of correction factor C2 <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 5 Measurement system <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | Figure 4 \u2013 Schematic diagram of measurement systems <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 6 Measurement procedure 6.1 Preparation of measurement apparatus 6.2 Measurement of reference level 6.3 Measurement of cavity parameters: \u03c3 \nr Figure 5 \u2013 Resonance frequency f0, insertion attenuation IA0 and half-power band width fBW <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | 6.4 Measurement of complex permittivity of test sample: \u03b5 ‘, tan d Figure 6 \u2013 Frequency responses of the TM010 mode of cylindrical cavity <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | Annex A (informative) Example of measurement results and accuracy A.1 Measurement of \u03b5 ‘ and tand values Table A.1 \u2013 The parameters of the cavity and the rod sample Table A.2 \u2013 The resonant frequencies and unloaded Q-factors Table A.3 \u2013 The approximate values and the relative conductivity value Table A.4 \u2013 Correction factors and the measurement results <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | A.2 Measurement uncertainty of \u03b5 ‘ and tand Table A.5 \u2013 The measurement uncertainty of \u03b5 \u2019 <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | Table A.6 \u2013 The measurement uncertainty of tan d <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Cylindrical cavity method to measure the complex permittivity of low-loss dielectric rods<\/b><\/p>\n |