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lab8a tx line co-ax %%% T-element 
.options list node post 
.tran 100p 100n 
.print tran v(in) v(out) 
vin in1 0 sin 0 2 100meg 
tcoax in refin out refout rg58a_u l=2 
rs in1 in 50 
rl out 0 50 
rrefin refin 0 .05 
rrefout refout 0 .05 
gswitch in 0 vcr pwl(1) cin 0  0,.05 1,50 
vcon cin 0 pwl 0 0 19n 0 20n 1 39n 1 40n 0 59n 0 60n 1 79n 1 80n 0 
.inc 'rg58a_u.inc' 
.end