Listing of Sample WinSpice Code - Brain Theory from a Circuits and Systems Perspective - page 217

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.subckt segAND 2 3
rNernst 30 2 212MEG
vNernst 30 0 -70 mV
cseg 2 0 14p ic ¼70 mV
rseg 2 3 100MEG
.ends
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.subckt segXOR 2 3
rNernst 30 2 106MEG
vNernst 30 0 -70 mV
cseg 2 0 20p ic ¼70 mV
rseg 2 3 200MEG
xcur 2 0 cur1
.ends
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.subckt segGen2 2 3
vcontrol 30 0 pwl(0 -70mv 60 ms -70 mV 61 ms -45 mV 80 ms -45 mV
81 ms -70 mV)
rNernst 30 2 106MEG
*vNernst 30 0 -45 mV
cseg 2 0 31.4p ic ¼70 mV
rseg 2 3 200MEG
xcur 2 0 cur1
.ends
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.subckt segGen1 2 3
vcontrol 30 0 pwl(0 -70mv 1 ms -45 mV 40 ms -45 mV 41 ms -70 mV)
rNernst 30 2 106MEG
*vNernst 30 0 -45 mV
cseg 2 0 31.4p ic ¼70 mV
rseg 2 3 200MEG
xcur 2 0 cur1
.ends
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*Curents/Na loop
.subckt cur1 2 0
vdd 6 0 +300 mV
vss 7 0 -300 mV
VR 44 0 -55 mV
rref 44 4 1MEG
cref 4 0 100p ic ¼ 100 mV
Ri281G
*Rf 8 1 100 G
EXXX 5 0 8 4 100