ngspice/tests/transmission/ibm2.cir

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ibm 2
VES IN 0 PULSE (0 1 0N 1.5N 1.5N 4.5N 200N)
R1 IN V1 50
R2 V2 0 10
p1 2 V1 V2 V3 V4 cpl1
.model cpl1 cpl
+R = 0.5 0.5
+L = 247.3e-9 31.65e-9
+ 31.65e-9 247.3e-9
+C = 31.4e-12 -2.45e-12
+ -2.45e-12 31.4e-12
+G = 0 0
+length = 0.3048
*length = 0.6096
R3 V3 0 100
R4 V4 0 100
.TRAN 0.1N 20N
.END