Version 4
SHEET 1 1120 840
WIRE 64 48 -496 48
WIRE 80 48 64 48
WIRE 464 48 416 48
WIRE 80 96 -400 96
WIRE 464 96 416 96
WIRE 80 144 -304 144
WIRE 464 144 416 144
WIRE 80 192 -208 192
WIRE 464 192 416 192
WIRE 64 240 64 48
WIRE 80 240 64 240
WIRE 464 240 416 240
WIRE 64 288 64 240
WIRE 80 288 64 288
WIRE 496 288 416 288
WIRE 496 304 496 288
WIRE 64 336 64 288
WIRE 80 336 64 336
WIRE 448 336 416 336
WIRE -208 352 -208 192
WIRE 192 400 192 384
WIRE 304 400 304 384
WIRE 448 400 448 336
WIRE 496 400 496 384
WIRE 496 400 448 400
WIRE -304 416 -304 144
WIRE 496 416 496 400
WIRE -208 448 -208 432
WIRE -400 480 -400 96
WIRE 304 480 304 464
WIRE -304 512 -304 496
WIRE 496 512 496 496
WIRE -496 544 -496 48
WIRE -400 576 -400 560
WIRE -496 640 -496 624
FLAG -208 448 0
FLAG 464 48 Comp1
FLAG 464 96 Comp2
FLAG 464 144 Comp3
FLAG 464 192 Comp4
FLAG 464 240 _RESET
FLAG 496 512 0
FLAG 304 480 0
FLAG 192 400 0
FLAG -496 640 0
FLAG -400 576 0
FLAG -304 512 0
SYMBOL voltage -496 528 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(1 5.0 2 4.1 3 4.1 4 5.0)
SYMBOL voltage -400 464 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(5 3.3 6 2.6 7 2.6 8 3.3)
SYMBOL voltage -304 400 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PWL(9 0.6 10 0.4 11 0.4 12 0.6)
SYMBOL voltage -208 336 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value PWL(13 -0.15 14 0.15 15 0.15 16 -0.15)
SYMBOL cap 288 400 R0
SYMATTR InstName C1
SYMATTR Value 4.34p
SYMBOL LTC2902-2 240 192 R0
SYMATTR InstName U1
SYMBOL res 480 400 R0
SYMATTR InstName R1
SYMATTR Value 9.53K
SYMBOL res 480 288 R0
SYMATTR InstName R2
SYMATTR Value 93.1K
TEXT 488 584 Left 2 !.tran 16 startup