{"id":420911,"date":"2024-10-20T06:33:29","date_gmt":"2024-10-20T06:33:29","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-iec-tr-630182015-2\/"},"modified":"2024-10-26T12:16:21","modified_gmt":"2024-10-26T12:16:21","slug":"bsi-pd-iec-tr-630182015-2","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-iec-tr-630182015-2\/","title":{"rendered":"BSI PD IEC\/TR 63018:2015"},"content":{"rendered":"
This Technical Report specifies a guideline for improvement of signal loss by using noise suppression materials (hereafter referred to as NSMs) for FPCBs.<\/p>\n
This Technical Report also indicates a measuring method of signal loss variations of FPCBs using NSMs using network analyzer equipment. In addition, this method only measures the value of the signal loss variation by using NSMs for FPCBs. This report, however, neither determines nor indicates the structure or material of FPCBs.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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4<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
5<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | INTRODUCTION Figures Figure 1 \u2013 Bare\/shield FPCB Figure 2 \u2013 Increment of signal loss using NSMs <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 1 Scope 2 Normative references 3 Test guideline 3.1 Apparatus 3.1.1 Network analyzer 3.1.2 Block diagram for signal loss measuring Figure 3 \u2013 Signal loss test system <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 3.2 Test specimen 3.2.1 Structure Figure 4 \u2013 Schematic diagram for two type of test specimen <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 3.2.2 Preparation 3.2.3 Test method Figure 5 \u2013 Cross-section of shield FPCB <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 3.2.4 Calculation 3.2.5 Test result Figure 6 \u2013 Difference of signal loss between bare and shield FPCBs <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | Figure 7 \u2013 Signal loss value of the bare and shield FPCB Tables Table 1 \u2013 Comparison of cut-off frequency with bare\/shild FPCB <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | Figure 8 \u2013 Signal loss variation according to the Cu conductive layer thickness Figure 9 \u2013 Signal loss variation according to the Cu signal line width <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 3.2.6 Analysis Figure 10 \u2013 Two types of structure for FPCB <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 3.3 Improvement method of signal loss for a shield FPCB Figure 11 \u2013 Electric field diagram for two types of shield FPCB <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | Annex A (normative) Block diagram of signal loss test system Figure A.1 \u2013 Block diagram of signal loss test system Figure A.2 \u2013 Signal loss test system according to the Agilent network analyzer N5230A <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Flexible printed circuit boards (FPCBs). Method to decrease signal loss by using noise suppression materials<\/b><\/p>\n |