Version 4
SHEET 1 880 680
WIRE 160 48 96 48
WIRE 176 48 160 48
WIRE 272 48 256 48
WIRE 288 48 272 48
WIRE 384 48 368 48
WIRE 400 48 384 48
WIRE 496 48 480 48
WIRE -96 80 -96 64
WIRE 0 80 0 64
WIRE 96 80 96 48
WIRE -256 96 -256 80
WIRE 160 128 160 48
WIRE 192 128 160 128
WIRE 384 128 384 48
WIRE 416 128 384 128
WIRE 272 144 272 48
WIRE 272 144 256 144
WIRE 496 144 496 48
WIRE 496 144 480 144
WIRE 544 144 496 144
WIRE 192 160 176 160
WIRE 416 160 400 160
WIRE -256 192 -256 176
WIRE -96 192 -96 160
WIRE 0 192 0 160
WIRE 96 192 96 160
WIRE 224 192 224 176
WIRE 448 192 448 176
FLAG -96 192 0
FLAG -96 64 5V
FLAG 0 192 0
FLAG 0 64 3.3V
FLAG 224 112 5V
FLAG 224 192 0
FLAG 96 192 0
FLAG 176 160 3.3V
FLAG 448 112 5V
FLAG 448 192 0
FLAG 400 160 3.3V
FLAG 544 144 out
FLAG -256 192 0
FLAG -256 80 VG
SYMBOL Opamps\\LTC6084 224 144 R0
SYMATTR InstName U1
SYMBOL voltage -96 64 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 5V
SYMBOL voltage 0 64 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 3.3V
SYMBOL res 272 32 R90
WINDOW 0 5 56 VBottom 0
WINDOW 3 27 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res 80 64 R0
SYMATTR InstName R2
SYMATTR Value 33k
SYMBOL res 272 32 M90
WINDOW 0 5 56 VBottom 0
WINDOW 3 27 56 VTop 0
SYMATTR InstName Rx
SYMATTR Value R=1/V(VG)
SYMBOL res 384 32 M90
WINDOW 0 5 56 VBottom 0
WINDOW 3 27 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 180
SYMBOL Opamps\\LTC6084 448 144 R0
SYMATTR InstName U2
SYMBOL voltage -256 80 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VG
SYMATTR Value 0V
TEXT -314 42 Left 0 !.dc VG 0.1m 20m 0.1m