Version 4
SHEET 1 1784 812
WIRE 144 -240 -32 -240
WIRE 960 -240 832 -240
WIRE 144 -192 144 -240
WIRE 832 -160 832 -240
WIRE 960 -48 960 -240
WIRE 832 0 832 -80
WIRE 1280 0 832 0
WIRE 1712 0 1280 0
WIRE 144 48 144 -112
WIRE 304 48 144 48
WIRE 672 48 304 48
WIRE 832 48 672 48
WIRE 1120 48 832 48
WIRE 1552 48 1120 48
WIRE 304 112 304 48
WIRE 672 112 672 48
WIRE 1120 112 1120 48
WIRE 144 144 144 48
WIRE 832 144 832 48
WIRE 1280 144 1280 0
WIRE 240 160 192 160
WIRE 784 160 736 160
WIRE 1232 160 1184 160
WIRE 304 208 304 192
WIRE 304 208 192 208
WIRE 672 208 672 192
WIRE 784 208 672 208
WIRE 1120 208 1120 192
WIRE 1232 208 1120 208
WIRE 144 256 144 224
WIRE 240 256 240 160
WIRE 240 256 144 256
WIRE 736 256 736 160
WIRE 736 256 240 256
WIRE 832 256 832 224
WIRE 832 256 736 256
WIRE 1184 256 1184 160
WIRE 1184 256 832 256
WIRE 1280 256 1280 224
WIRE 1280 256 1184 256
WIRE -32 336 -32 -240
WIRE 144 336 144 256
WIRE 1264 352 832 352
WIRE 1712 352 1712 0
WIRE 1712 352 1264 352
WIRE 1104 400 672 400
WIRE 1552 400 1552 48
WIRE 1552 400 1104 400
WIRE 672 464 672 400
WIRE 1104 464 1104 400
WIRE 1552 464 1552 400
WIRE 832 496 832 352
WIRE 1264 496 1264 352
WIRE 1712 496 1712 352
WIRE 784 512 736 512
WIRE 1216 512 1168 512
WIRE 1664 512 1616 512
WIRE 672 560 672 544
WIRE 784 560 672 560
WIRE 1104 560 1104 544
WIRE 1216 560 1104 560
WIRE 1552 560 1552 544
WIRE 1664 560 1552 560
WIRE 240 608 240 256
WIRE 736 608 736 512
WIRE 736 608 240 608
WIRE 832 608 832 576
WIRE 832 608 736 608
WIRE 1168 608 1168 512
WIRE 1168 608 832 608
WIRE 1264 608 1264 576
WIRE 1264 608 1168 608
WIRE 1616 608 1616 512
WIRE 1616 608 1264 608
WIRE 1712 608 1712 576
WIRE 1712 608 1616 608
FLAG 144 336 0
FLAG -32 336 0
FLAG 960 -48 0
SYMBOL g 144 240 R180
SYMATTR InstName G1
SYMATTR Value 50µ
SYMBOL voltage 304 96 R0
SYMATTR InstName V1
SYMATTR Value {gauss(2m)}
SYMBOL g 832 240 M180
SYMATTR InstName G2
SYMATTR Value 50µ
SYMBOL voltage 672 96 M0
SYMATTR InstName V2
SYMATTR Value {gauss(2m)}
SYMBOL current 144 -192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value 10µ
SYMBOL voltage 832 -176 M0
SYMATTR InstName V3
SYMATTR Value 0
SYMBOL g 1280 240 M180
SYMATTR InstName G3
SYMATTR Value 50µ
SYMBOL voltage 1120 96 M0
SYMATTR InstName V4
SYMATTR Value {gauss(2m)}
SYMBOL g 832 592 M180
SYMATTR InstName G4
SYMATTR Value 50µ
SYMBOL voltage 672 448 M0
SYMATTR InstName V5
SYMATTR Value {gauss(2m)}
SYMBOL g 1264 592 M180
SYMATTR InstName G5
SYMATTR Value 50µ
SYMBOL voltage 1104 448 M0
SYMATTR InstName V6
SYMATTR Value {gauss(2m)}
SYMBOL g 1712 592 M180
SYMATTR InstName G6
SYMATTR Value 50µ
SYMBOL voltage 1552 448 M0
SYMATTR InstName V7
SYMATTR Value {gauss(2m)}
TEXT 312 440 Left 2 !.step param run 1 1000 1
TEXT 312 400 Left 2 !.op
TEXT 48 656 Left 2 ;Expected Sigma of V3 current difference from the expected current is given as:\nExpected current = 2*10u\ndVth = 2m*sqrt(2)\ndVth reduction factor as described here: https://milindsweb.amved.com/Matching_of_Devices.html is\nsqrt( 1/2N+1/2M) = sqrt(1/(2*2)+1/(2*4)) = sqrt(3/8)\nso the sigma of the difference is 200u*2m*sqrt(2)*sqrt(3/8)=34.6nA