Figure P48

Continuous system HP49 " v. 3/13/99. rev. 01/25/00

" Use EULER integration with delT = tau. There are 7 states.

" This system is Reiss' Band Suppressor.

STATE noise v1 v3 pi p2 q1 q2

DER dnoise dv1 dv3 dp1 dp2 dq1 dq2

dnoise = -wo*noise + SD*NORM(t) " BW limiting ODE for noise. Vin = noise + Kr*t + Vo " Analog noise drive for N1

y1 = IF x1 > 0 THEN x1 ELSE 0 " Pulses are > 0.

z1 = y1*phi1/tau " Pulse resets integrator.

u1 = y1*Do1/tau " Pulse train output, pulse areas = Do1.

y2 = DELAY (y1, D) " Inhib. delay D ms to N3 synapse. u2 = Do2*y2/tau" Thru excit. 1:1 interneuron (xparent).

(No delay)

2-pole ballistic filter

(No delay)

2-pole ballistic filter

Delay D

2-pole ballistic filter

Delay D

2-pole ballistic filter

RPFM N3

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