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URC transmission line
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.subckt UTM in out gnd1
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U1 in out gnd1 URCMOD L =20m
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.model URCMOD URC CPERL=100p RPERL=100k FMAX=10G
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.ends
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XUTM 1 2 0 UTM
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VS 1 0 dc 0 PULSE (0 5 15.9NS 0.2NS 0.2NS 15.8NS 32NS )
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.control
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TRAN 0.2N 47N 0 0.1N
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plot v(1) v(2)
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.endc
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.end
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