Version 4
SHEET 1 2680 680
WIRE -2128 -432 -2128 -448
WIRE -1712 -432 -1712 -448
WIRE -1312 -432 -1312 -448
WIRE -2128 -320 -2128 -352
WIRE -1712 -320 -1712 -352
WIRE -1312 -320 -1312 -352
FLAG -1712 -448 var2
FLAG -1712 -320 0
FLAG -2128 -448 var1
FLAG -2128 -320 0
FLAG -1312 -448 var3
FLAG -1312 -320 0
SYMBOL voltage -1712 -448 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 13 102 Left 2
SYMATTR Value PWL(0 {wc(15k,tolb,2)})
SYMATTR InstName V2
SYMBOL voltage -2128 -448 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 13 102 Left 2
SYMATTR Value PWL(0 {wc(220k,tola,1)})
SYMATTR InstName V1
SYMBOL voltage -1312 -448 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 13 102 Left 2
SYMATTR Value PWL(0 {wc(10k,tolc,2)})
SYMATTR InstName V3
TEXT -2152 -120 Left 2 !.param tola=.01
TEXT -2152 -88 Left 2 !.param tolb=.05
TEXT -2152 -256 Left 2 !.tran 1s
TEXT -1632 -88 Left 2 !.step param run 0 8 1
TEXT -2152 -200 Left 2 !.func binary(run,index) floor(run/(2**index))-2*floor(run/(2**(index+1)))
TEXT -2152 -160 Left 2 !.func wc(nom,tol,index) if(run==numruns,nom,if(binary(run,index),nom*(1+tol),nom*(1-tol)))
TEXT -1632 -120 Left 2 !.param numruns=8
TEXT -2152 -16 Left 2 !.meas res1 avg V(var1)
TEXT -2152 16 Left 2 !.meas res2 avg V(var2)
TEXT -2152 48 Left 2 !.meas res3 avg V(var3)
TEXT -2152 80 Left 2 !.meas All param res1+res2+res3
TEXT -2152 -56 Left 2 !.param tolc=.10