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Experiment 10
Multivibration
Purpose: The purpose is to demonstrate multivibration in a neuron
Suggested code:
itrig 0 1 dc ¼ 0 pwl(0,0,10us,5n,.2ms,5n,.21 ms,0)
x1 1 2 seg1
x2 2 3 seg1
x3 3 4 seg1
x4 4 5 seg1
X5 5 6 seg1
x10 6 1 buf
Buffer-synapse model:
.subckt buf 10 13
vref 1 0 -70 mV
G31131015nA
rload 13 1 400MEG
cload 13 1 2pf ic ¼70 m
.ends
Fig.
A.27
simulates multivibration.
• How can frequency be cut in half?
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