set terminal postscript portrait enhanced color solid
set output 

set xlabel "Frequency [MHz]"
set key bottom left
set ylabel "Impedance [Ohm]"
set title "Current Source Output Impedance"
set grid mxtics mytics xtics ytics
set logscale xy
set mxtics 10
set mytics 10

set multiplot
set size 1,0.5
set origin 0, 0.5
plot \
"sim/current.data" using ($1/1e6):2 title "Real" with lines, \
"sim/current.data" using ($1/1e6):3 title "Real 10nF" with lines, \
"sim/current.data" using ($1/1e6):4 title "Magnitude" with lines, \
"sim/current.data" using ($1/1e6):5 title "Magnitude 10nF" with lines, \
"sim/current.data" using ($1/1e6):6 title "Magnitude 270nH" with lines, \
"sim/current.data" using ($1/1e6):7 title "Magnitude 470nH" with lines, \
"sim/current.data" using ($1/1e6):8 title "Magnitude 1uH" with lines

set origin 0,0
unset logscale y
set mytics 4
set yrange [-500:2500]
set xrange [1:]
replot