Version 4
SHEET 1 1756 1060
WIRE 0 -96 -128 -96
WIRE 64 -96 0 -96
WIRE 128 -96 64 -96
WIRE 192 -96 128 -96
WIRE 368 -96 192 -96
WIRE 416 -96 368 -96
WIRE 432 -96 416 -96
WIRE 528 -96 512 -96
WIRE -384 -80 -384 -96
WIRE -272 -80 -272 -96
WIRE 0 -32 0 -96
WIRE 64 -32 64 -96
WIRE 128 -32 128 -96
WIRE 192 -32 192 -96
WIRE 256 -32 256 -48
WIRE -128 0 -128 -96
WIRE -112 0 -128 0
WIRE -384 16 -384 0
WIRE -272 16 -272 0
WIRE -128 64 -128 0
WIRE -112 64 -128 64
WIRE -176 80 -272 80
WIRE -272 96 -272 80
WIRE -320 112 -384 112
WIRE -176 128 -176 80
WIRE -112 128 -176 128
WIRE 544 144 464 144
WIRE -320 160 -336 160
WIRE 368 160 368 -96
WIRE 368 160 320 160
WIRE 464 160 464 144
WIRE 416 176 416 -96
WIRE -272 192 -272 176
WIRE -272 192 -304 192
WIRE -112 192 -128 192
WIRE -272 208 -272 192
WIRE -384 224 -384 112
WIRE -320 224 -384 224
WIRE 368 224 320 224
WIRE -112 256 -176 256
WIRE 464 256 464 240
WIRE -320 272 -336 272
WIRE -272 304 -272 288
WIRE -176 304 -176 256
WIRE -176 304 -272 304
WIRE -384 320 -384 224
WIRE -112 320 -128 320
WIRE 336 320 320 320
WIRE -128 384 -128 320
WIRE -112 384 -128 384
WIRE -384 416 -384 400
WIRE 256 432 256 416
WIRE -128 480 -128 384
WIRE 0 480 0 416
WIRE 0 480 -128 480
WIRE 64 480 64 416
WIRE 64 480 0 480
WIRE 128 480 128 416
WIRE 128 480 64 480
WIRE 192 480 192 416
WIRE 192 480 128 480
WIRE 368 480 368 224
WIRE 368 480 192 480
WIRE 416 480 416 224
WIRE 416 480 368 480
WIRE 432 480 416 480
WIRE 528 480 512 480
FLAG -384 16 0
FLAG -272 16 0
FLAG 336 320 0
FLAG -384 -96 +V
FLAG -304 192 0
FLAG -336 160 0
FLAG -336 272 0
FLAG -384 416 0
FLAG 464 256 0
FLAG 544 144 OUT
FLAG 528 -96 0
FLAG 528 480 0
FLAG -272 -96 -V
FLAG -128 192 +V
FLAG 256 -48 +V
FLAG 256 432 -V
SYMBOL voltage -384 -96 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR InstName V1
SYMATTR Value 1.5
SYMBOL voltage -272 -96 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR InstName V2
SYMATTR Value -1.5
SYMBOL e -272 80 R0
SYMATTR InstName E1
SYMATTR Value .5
SYMBOL e -272 192 R0
SYMATTR InstName E2
SYMATTR Value .5
SYMBOL e2 464 144 R0
WINDOW 0 23 21 Left 2
SYMATTR InstName E3
SYMATTR Value 1
SYMBOL res 528 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 300
SYMBOL res 528 464 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 300
SYMBOL voltage -384 304 R0
SYMATTR InstName V3
SYMATTR Value AC 1
SYMBOL FilterProducts\\LTC6601-2 112 192 R0
SYMATTR InstName U1
TEXT 584 192 Left 2 !.measure pt1 find V(out) at 1Meg\n.measure pt2 find V(out) at 2Meg\n.measure pt3 find V(out) at 5Meg\n.measure pt4 find V(out) at 10Meg\n.measure pt5 find V(out) at 14.45Meg\n.measure pt6 find V(out) at 20Meg\n.measure pt7 find V(out) at 50Meg
TEXT 616 448 Left 2 !.ac oct 20 100K 100Meg