Listing of Sample WinSpice Code - Brain Theory from a Circuits and Systems Perspective - page 218

cpad 8 0 1f ic ¼70 m
rout 5 1 1 k
d1 1 6 diode1
d2 7 1 diode1
.model diode1 D(is ¼ 1.0e-14,cjo ¼ 2p)
vfloat 9 1 1000 mV
rbuf 9 99 1MEG
rL 99 0 100MEG
G1 0 2 99 0 2.11 nA
G2 2 0 199 0 0.955 nA
sNa 99 0 0 1 comp
sNaOFF 99 0 21 0 switch2
sK 199 0 0 11 comp
.model comp sw(ron ¼ 1 roff ¼ 100MEG)
.model switch2 sw(ron ¼ 1 roff ¼ 100MEG)
*****************
* K loop
VR1 43 0 -70 mV
rref1 43 14 1MEG
cref1 14 0 100p ic ¼ 100 mV
Ri121810G
Rf1 18 11 300 G
EXXX1 15 0 18 14 100
cpad1 18 0 1f ic ¼70 m
rout1 15 11 1 k
d31 11 6 diode1
d41 7 11 diode1
vfloat1 19 11 1000 mV
rbuf1 19 199 1MEG
rLL1 199 0 100MEG
*****************
*Na OFF loop
VR2 42 0 -5mV
rref2 42 24 1MEG
cref2 24 0 100p ic ¼ 100 mV
Ri222810G
Rf2 28 21 150 G
EXXX2 25 0 28 24 100
cpad2 28 0 1f ic ¼70 m
rout2 25 21 1 k
d51 21 6 diode1
d61 7 21 diode1
vfloat2 29 21 1000 mV
rLL2 29 0 1MEG
.ends
*