Simulation Experiments for Neural Pulses - Brain Theory from a Circuits and Systems Perspective - page 214

50

v(7)

v(25)

0

-50

-100

0 20 40 60 80 100

ms

Fig. A.30 Tog2a Using AND/XOR logic/ Starting at 50 ms

.subckt bufv 10 13
G3 0 13 10 0 10 nA
.ends
*
.subckt buf1 10 13
vref 1 0 -70 mV
G30131013nA
rload 13 1 100MEG
cload 13 1 2pf ic ¼70 m
.ends
Fig. A.30 simulates the starting of multivibration; Fig. A.31 simulates the
stopping of multivibration.

• Make the “stop” trigger come a few milliseconds sooner, say 3 ms sooner. What
is the effect on toggling from true (multivibration) to false (rest)? Explain!