Version 4
SHEET 1 892 680
WIRE 112 144 112 96
WIRE 112 272 112 224
FLAG 112 272 0
FLAG 112 96 x
SYMBOL bv 112 128 R0
WINDOW 123 24 120 Left 2
SYMATTR InstName B1
SYMATTR Value V = V(x) + s * (ddt(V(x)) - a * (1 - V(x)) + b * V(x))
SYMATTR Value2 IC={x0}
TEXT 272 96 Left 2 !.tran 3
TEXT 272 120 Left 2 !.param a=-1, b=3, x0=5
TEXT 272 144 Left 2 !.param s=-1