Version 4
SHEET 1 1108 680
WIRE 176 240 96 240
WIRE 320 240 256 240
WIRE 96 272 96 240
WIRE 320 288 320 240
WIRE 96 400 96 352
WIRE 320 400 320 352
FLAG 96 400 0
FLAG 320 400 0
FLAG 96 240 in
FLAG 320 240 out
SYMBOL voltage 96 256 R0
SYMATTR InstName V1
SYMATTR Value AC 1
SYMBOL res 160 256 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value {R1}
SYMBOL cap 304 288 R0
SYMATTR InstName C1
SYMATTR Value {C1}
TEXT 88 -168 Left 2 !.ac dec 100 1k 1Meg
TEXT 88 -128 Left 2 !.param R1=1k*(1+gauss(0.1))
TEXT 88 -48 Left 2 !.step param x 0 100 1
TEXT 88 72 Left 2 !.meas C1_ PARAM C1
TEXT 88 -8 Left 2 !.options meascplxfmt=polar
TEXT 88 -360 Left 2 ;Create a text file with the values from .step\n \nRun the simulation\nView -> SPICE Error Log\nRight-mouse-click -> Plot stepped data\nFile->Export
TEXT 88 -96 Left 2 !.param C1=1n*(1+gauss(0.1))
TEXT 88 40 Left 2 !.meas R1_  param R1
TEXT 88 112 Left 2 !.meas fg FIND freq WHEN mag(V(out))=1/sqrt(2)