Test with a cable in ten section of 500 Ohm  50 uFd
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.WIDTH IN=72 OUT=80
.OPT NODE
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* Sweep the input voltage from 0.01 Hz to 1 Hz in 100 steps.
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.AC LIN 100 0.01Hz 1Hz
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* Voltage Source 1 Ohms
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VIN 1 0 AC 1
RS1 1 2 1
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*  1st Section
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R1 2 3 500
C1 3 0 50UF
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*
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*  2nd Section
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R2 3 4 500
C2 4 0 50UF
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*
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*  3rd Section
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R3 4 5 500
C3 5 0 50UF
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*
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*  4th Section
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R4 5 6 500
C4 6 0 50UF
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*
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*  5th Section
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R5 6 7 500
C5 7 0 50UF
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*
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*  6th Section
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R6 7 8 500
C6 8 0 50UF
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*
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*  7th Section
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R7 8 9 500
C7 9 0 50UF
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*
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*  8th Section
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R8 9 10 500
C8 10 0 50UF
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*
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*  9th Section
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R9 10 11 500
C9 11 0 50UF
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*
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*  10th Section
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R10 11 12 500
C10 12 0 500UF
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*
*
*
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* Load  1 Meg Ohm
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RP1 12 0 1MEG
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.PRINT AC VM(12,0) VP(12,0)
.PLOT  AC VM(12,0) VP(12,0)
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.END