Version 4
SHEET 1 880 680
WIRE 16 -80 -112 -80
WIRE 368 -80 16 -80
WIRE 16 0 16 -80
WIRE 400 48 352 48
WIRE 512 48 480 48
WIRE 368 112 368 -80
WIRE 16 128 16 80
WIRE 272 128 272 48
WIRE 272 128 16 128
WIRE 336 128 272 128
WIRE 512 144 512 48
WIRE 512 144 400 144
WIRE 560 144 512 144
WIRE -112 160 -112 -80
WIRE 176 160 144 160
WIRE 272 160 256 160
WIRE 336 160 272 160
WIRE 16 176 16 128
WIRE 144 224 144 160
WIRE 272 224 272 160
WIRE -112 304 -112 240
WIRE 16 304 16 256
FLAG -112 304 0
FLAG 16 304 0
FLAG 144 304 0
FLAG 272 304 0
FLAG 368 176 0
SYMBOL Opamps\\LT1078A 368 80 R0
SYMATTR InstName U1
SYMBOL voltage -112 144 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vbatt
SYMATTR Value 3
SYMBOL voltage 144 208 R0
WINDOW 3 24 160 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 24 188 Left 0
SYMATTR Value PULSE(1.4208 2.487 0 1 0 0 1 1)
SYMATTR InstName Vsensor
SYMBOL res 0 -16 R0
SYMATTR InstName R1
SYMATTR Value 102000
SYMBOL res 0 160 R0
SYMATTR InstName R2
SYMATTR Value 10000
SYMBOL res 256 208 R0
SYMATTR InstName R4
SYMATTR Value 22000
SYMBOL res 272 144 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 116000
SYMBOL res 496 32 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value 25000
SYMBOL res 368 32 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R5
SYMATTR Value 25000
TEXT -144 336 Left 0 !.tran 0 1 0 1