Version 4
SHEET 1 880 680
WIRE -96 144 -144 144
WIRE 144 144 -16 144
WIRE 208 144 144 144
WIRE 400 144 272 144
WIRE 448 144 400 144
WIRE -144 160 -144 144
WIRE 448 176 448 144
WIRE 240 224 240 176
WIRE -144 272 -144 240
WIRE 448 272 448 240
WIRE -96 432 -144 432
WIRE 144 432 -16 432
WIRE 208 432 144 432
WIRE 384 432 272 432
WIRE 448 432 384 432
WIRE -144 448 -144 432
WIRE 448 464 448 432
WIRE 240 512 240 464
WIRE -144 560 -144 528
WIRE 448 560 448 528
FLAG 240 224 0
FLAG -144 272 0
FLAG 144 144 in1
FLAG 448 272 0
FLAG 240 512 0
FLAG -144 560 0
FLAG 448 560 0
FLAG 400 144 out1
FLAG 384 432 out2
FLAG 144 432 in2
SYMBOL Misc\\urc2 272 160 M270
WINDOW 0 56 23 VRight 0
WINDOW 3 86 -60 VRight 0
SYMATTR InstName U1
SYMATTR Value URC1 L=2m N=10
SYMBOL voltage -144 144 R0
WINDOW 123 24 132 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMATTR Value PWL(0 0 1p 1)
SYMBOL res -112 160 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName RS
SYMATTR Value 1m
SYMBOL cap 432 176 R0
SYMATTR InstName CL
SYMATTR Value 0.5p
SYMBOL Misc\\urc2 272 448 M270
WINDOW 0 56 23 VRight 0
WINDOW 3 86 -60 VRight 0
SYMATTR InstName U2
SYMATTR Value URC1 L=2m N=10
SYMBOL voltage -144 432 R0
WINDOW 123 24 132 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value2 AC 1
SYMATTR InstName V2
SYMATTR Value PWL(0 0 1p 1)
SYMBOL res -112 448 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName RS1
SYMATTR Value 60
SYMBOL cap 432 464 R0
SYMATTR InstName CL1
SYMATTR Value 0.5p
TEXT -152 -40 Left 0 !.model URC1 URC(Rperl=15k Cperl=250p K=2)
TEXT -152 -144 Left 0 !.op
TEXT -152 -112 Left 0 ;.ac dec 100 1Meg 10G
TEXT -152 -80 Left 0 !.tran 0 300p 0 1p
TEXT -152 0 Left 0 ;R*C = 30Ohm*0.5p = 15ps   length 2mm
TEXT -160 360 Left 0 ;with source resistance
TEXT -160 72 Left 0 ;no source resistance
TEXT -152 -480 Left 0 ;VLSI Interconnect\nhttp://vlsicad.ucsd.edu/Publications/Conferences/23/c23.pdf\nhttp://vlsicad.ucsd.edu/Publications/Conferences/33/c33.pdf\nhttp://vlsicad.ucsd.edu/Publications/Conferences/35/c35.pdf\nhttp://vlsicad.ucsd.edu/Publications/Conferences/55/c55.pdf\nhttp://vlsicad.ucsd.edu/Publications/Conferences/56/c56.pdf\nhttp://vlsicad.ucsd.edu/Publications/Conferences/59/c59.pdf\nhttp://vlsicad.ucsd.edu/Publications/Conferences/60/c60.pdf\nhttp://vlsicad.ucsd.edu/Publications/Conferences/62/c62.pdf\nhttp://vlsicad.ucsd.edu/Publications/Conferences/64/c64.pdf\nThe examples below are from C56.pdf