Isola Tachyon 100G PCB: allocate the same 20 dB budgetIsola Tachyon 100G PCB: allocate the same 20 dB budgetFixed: 5 dBMargin: 3 dBRouting: 12 dBAt a hypothetical complete loss of 1 dB/in: 12 inches.Example allocation, not a material or interface rating.