Version 4
SHEET 1 1100 756
WIRE 48 144 -272 144
WIRE 336 144 272 144
WIRE 544 144 416 144
WIRE 48 208 -192 208
WIRE 400 208 272 208
WIRE 544 208 544 144
WIRE 544 208 480 208
WIRE 48 272 -96 272
WIRE 336 272 272 272
WIRE 544 272 544 208
WIRE 544 272 416 272
WIRE -96 304 -96 272
WIRE 48 336 32 336
WIRE 400 336 272 336
WIRE 544 336 544 272
WIRE 544 336 480 336
WIRE 544 352 544 336
WIRE -192 368 -192 208
WIRE -96 400 -96 384
WIRE -272 448 -272 144
WIRE 544 448 544 432
WIRE -192 464 -192 448
WIRE -272 544 -272 528
FLAG 32 336 0
FLAG 544 448 0
FLAG -96 400 0
FLAG -192 464 0
FLAG -272 544 0
SYMBOL LTC1727-2.5 160 240 R0
SYMATTR InstName U1
SYMBOL res 432 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL res 496 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res 432 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res 496 320 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL voltage 544 336 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -96 288 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(0 1.05 7 1.05 8 .95 9 1.05)
SYMBOL voltage -192 352 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PWL(0 2.5 4 2.5 5 2.25 6 2.5)
SYMBOL voltage -272 432 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value PWL(0 3.3 1 3.3 2 3 3 3.3)
TEXT 312 488 Left 2 !.tran 10