Version 4
SHEET 1 892 680
WIRE -384 -64 -384 -96
WIRE -384 48 -384 16
WIRE 64 -48 64 -80
WIRE 64 64 64 32
WIRE 336 -48 336 -80
WIRE 336 64 336 32
FLAG -384 48 0
FLAG -384 -96 x
IOPIN -384 -96 Out
FLAG 336 -80 out
IOPIN 336 -80 Out
FLAG 336 64 0
FLAG 64 -80 xd
FLAG 64 64 0
SYMBOL voltage -384 -80 R0
WINDOW 3 24 160 Left 0
WINDOW 123 24 132 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(0 1 0 1n 1n 1 4)
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMBOL bv 336 -64 R0
SYMATTR InstName B2
SYMATTR Value V=(idt(V(x)-V(xd)))/{d}
SYMBOL bv 64 -64 R0
SYMATTR InstName B1
SYMATTR Value V=delay(V(x),{d})
TEXT -408 -264 Left 0 !.tran 0 100 0 1m
TEXT -408 -224 Left 0 !.option plotwinsize=0
TEXT -400 -464 Left 0 ;Simulate avgx(x,d)\n \navgx = integral of V(x) from t=x-d to t=x divided by d
TEXT -408 -320 Left 0 !.param d=4
TEXT -256 -320 Left 0 ;time of average