IECTR63017Edition1.02015-12TECHNICALREPORTFlexibleprintedcircuitboards(FPCBs)–MethodofcompensationofimpedancevariationsIECTR63017:2015-12(en)®colourinsideInternationalElectrotechnicalCommissionInternationalElectrotechnicalCommissionIECTR63017Edition1.02015-12TECHNICALREPORTFlexibleprintedcircuitboards(FPCBs)–MethodofcompensationofimpedancevariationsINTERNATIONALELECTROTECHNICALCOMMISSIONICS31.180ISBN978-2-8322-3083-1®RegisteredtrademarkoftheInternationalElectrotechnicalCommission®Warning!Makesurethatyouobtainedthispublicationfromanauthorizeddistributor.colourinsideInternationalElectrotechnicalCommission–2–IECTR63017:2015©IEC2015CONTENTSFOREWORD...........................................................................................................................31Scope..............................................................................................................................52Normativereferences......................................................................................................53Apparatus........................................................................................................................53.1Timedomainreflectometry......................................................................................53.2Blockdiagramforimpedancemeasuring.................................................................54Testspecimen.................................................................................................................64.1General...................................................................................................................64.2Structure.................................................................................................................64.3Testmethod............................................................................................................74.4Calculation...................................................................................................