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lab8d tx line dual co-ax %%% u-element 
.options list node post 
.param tt=400n s=100p 
.tran 400p tt 
.print tran v(in) v(in1) v(in2) v(out1) v(out2) 
vin in 0 sin 0 2 '20/tt' 
ucoax2 in1 in2 out1 out2 twinc l=2 
rs1 in in1 100 
rs2 in in2 100 
rl1 out1 0 50 
rl2 out2 0 50 
gswitch1 in1 0 vcr pwl(1) control 0  0,5m 1,100 
gswitch2 in2 0 vcr pwl(1) control 0  0,100 1,5m 
vcon control 0 pwl  
+ 0 0  
+ '.2*tt' 0  
+ '.201*tt' 1 
+ '.4*tt' 1 
+ '.401*tt' 0 
+ '.6*tt' 0 
+ '.601*tt' 1 
+ '.8*tt' 1 
+ '.801*tt' 0 
.model twinc u plev=2 elev=2 level=3 
+ rrr=20m 
+ cr1=14p gr1=1e-9 
+ cr2=14p gr2=1e-9 
+ l11=200n r11=50m 
+ l22=200n r22=50m 
+ c12=10p g12=2e-9 l12=1e-10 
+ lr1=1e-10 lr2=1e-10 
+ lrr=1e-10 gpr=1e-10 cpr=20p 
.end