Version 4 SHEET 1 1868 1452 WIRE -512 320 -512 288 WIRE -512 208 -512 176 WIRE -512 176 -400 176 WIRE -176 176 160 176 WIRE 160 272 160 320 WIRE -176 176 -176 208 WIRE -176 288 -176 320 WIRE -320 176 -176 176 WIRE 160 176 512 176 WIRE 160 176 160 208 FLAG -512 320 0 FLAG 160 320 0 FLAG -176 320 0 FLAG 512 176 out IOPIN 512 176 Out SYMBOL voltage -512 192 R0 SYMATTR InstName V1 SYMATTR Value AC 1 SYMBOL D:\\WUTemp\\MonteCarlo\ Analysis\\MC\ subcircuits\\c_mc_1 144 208 R0 SYMATTR InstName C1 SYMATTR SpiceLine C=100p Tol=1 seed=2 SYMATTR SpiceModel C_minmax_bin SYMBOL D:\\WUTemp\\MonteCarlo\ Analysis\\MC\ subcircuits\\l_mc_1 -192 192 R0 SYMATTR InstName L1 SYMATTR SpiceLine L=2u Tol=5 seed=1 SYMATTR SpiceModel L_minmax_bin SYMBOL D:\\WUTemp\\MonteCarlo\ Analysis\\MC\ subcircuits\\r_mc_1 -416 192 R270 WINDOW 0 23 56 VTop 0 WINDOW 38 -24 60 VBottom 0 WINDOW 39 3 82 VBottom 0 SYMATTR InstName R1 SYMATTR SpiceModel R_minmax_bin SYMATTR SpiceLine R=10k Tol=10 Seed=3 TEXT -520 104 Left 0 !.ac oct 200 1MEG 100Meg TEXT -520 -104 Left 0 ;Effecting a Monte Carlo calculation in LTspice\nThese LCR symbols allow tolerance distribution to be selected by drop down menu for each instance. TEXT -520 72 Left 0 !.step param run 0 8 1 TEXT -520 448 Left 0 ;My changes/enhancements so far:\nBox drawn around inductor symbol\nPosition of symbol text slightly adjusted\nBody of resistor symbol increased\nOrder of mc-type text moved to second line at inductor symbol\nNumber the seed values from 1 to N through all the mc components in the schematic\nA binary min/max model added. Seed number minus 1 used as bit number. "run=0" uses nominal values. TEXT -520 -24 Left 0 ;Hint: Choose seed value in order from 1 to N\nCorner(min/max binary) case simulation requires ".step param run ..." from 1 to 2^N.\nIn MinMax_bin-mode, run=0 can be used to simulate with nominal values too.