Version 4
SHEET 1 1272 804
WIRE -16 -64 -256 -64
WIRE 208 -64 -16 -64
WIRE 384 -64 208 -64
WIRE 384 -32 384 -64
WIRE 336 -16 304 -16
WIRE -256 16 -256 -64
WIRE 208 48 208 16
WIRE 304 48 304 -16
WIRE 304 48 208 48
WIRE -112 64 -144 64
WIRE 80 64 -32 64
WIRE -256 96 -256 80
WIRE -144 96 -144 64
WIRE -144 96 -256 96
WIRE -16 112 -16 16
WIRE 96 112 -16 112
WIRE 176 112 176 64
WIRE 448 112 176 112
WIRE 496 112 448 112
WIRE 544 112 496 112
WIRE -256 128 -256 96
WIRE -16 144 -16 112
WIRE 208 144 208 48
WIRE 448 160 448 112
WIRE 544 176 544 112
WIRE -256 208 -256 192
WIRE -144 208 -256 208
WIRE 32 224 -16 224
WIRE 208 224 32 224
WIRE -256 240 -256 208
WIRE -144 304 -144 208
WIRE -112 304 -144 304
WIRE 256 304 -32 304
WIRE 448 304 448 240
WIRE 448 304 352 304
WIRE 496 304 448 304
WIRE 544 304 544 240
WIRE 544 304 496 304
WIRE -256 352 -256 304
WIRE 384 368 384 64
WIRE 32 448 32 224
WIRE 336 496 336 352
WIRE 384 496 384 448
WIRE 384 496 336 496
WIRE -128 528 -160 528
WIRE -16 528 -48 528
WIRE 384 528 384 496
WIRE -160 576 -160 528
WIRE -256 656 -256 416
WIRE -160 656 -256 656
WIRE 32 656 32 544
WIRE 32 656 -160 656
WIRE 384 656 384 608
WIRE 384 656 32 656
WIRE -256 704 -256 656
FLAG -256 704 0
FLAG 496 112 ADCH
FLAG 496 304 ADCL
SYMBOL Misc\\cell -256 16 R0
WINDOW 0 -41 -10 Left 2
WINDOW 3 -39 56 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 3
SYMBOL Misc\\cell -256 128 R0
WINDOW 0 -46 10 Left 2
WINDOW 3 -51 54 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 2.8
SYMBOL Misc\\cell -256 240 R0
WINDOW 0 -41 -12 Left 2
WINDOW 3 -36 53 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 3
SYMBOL Misc\\cell -256 352 R0
WINDOW 0 -38 -11 Left 2
WINDOW 3 -34 61 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 3
SYMBOL cap 528 176 R0
SYMATTR InstName C2
SYMATTR Value 220n
SYMBOL nmos 256 352 R270
SYMATTR InstName M8
SYMATTR Value BSS123
SYMBOL pmos 176 112 M270
SYMATTR InstName M9
SYMATTR Value BSS84
SYMBOL res 192 128 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res 368 512 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL voltage -160 560 R0
WINDOW 3 26 125 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value PWL(0 0 10m 0 10.1m 3 20m 3 20.1m 0)
SYMBOL res -144 544 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res 432 144 R0
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL res -32 128 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL res -32 -80 R0
SYMATTR InstName R7
SYMATTR Value 100k
SYMBOL res 368 352 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL pmos 336 64 M180
SYMATTR InstName M1
SYMATTR Value BSS84
SYMBOL res 192 -80 R0
SYMATTR InstName R4
SYMATTR Value 50k
SYMBOL res -128 320 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R9
SYMATTR Value 1k
SYMBOL res -128 80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R10
SYMATTR Value 1k
SYMBOL nmos -16 448 R0
SYMATTR InstName M2
SYMATTR Value BSS123
TEXT 0 712 Left 2 !.tran 80m startup