# set terminal png transparent nocrop enhanced font arial 8 size 420,320 
# set output 'electron.1.png'
set dummy Vbe,y
set grid nopolar
set grid xtics nomxtics ytics nomytics noztics nomztics \
 nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics
set grid layerdefault
set key 0.2, 0.0045, 0 Right noreverse noinvert enhanced box linetype -1 linewidth 1.000 samplen 4 spacing 1 width 0 height 0 autotitles
set samples 160, 160
set title "Mutual Characteristic of a Transistor" 0.000000,0.000000  font ""
set xlabel "Vbe (base emmitter voltage)" 0.000000,0.000000  font ""
set xrange [ 0.00000 : 0.750000 ] noreverse nowriteback
set ylabel "Ic (collector current)" 0.000000,0.000000  font ""
set yrange [ 0.00000 : 0.00500000 ] noreverse nowriteback
Ie(Vbe)=Ies*exp(Vbe/kT_q)
Ic(Vbe)=alpha*Ie(Vbe)+Ico
Ies = 4e-14
kT_q = 0.025
alpha = 0.99
Ico = 1e-09
plot Ic(Vbe)