Version 4
SHEET 1 1272 804
WIRE 96 -32 -256 -32
WIRE 224 -32 96 -32
WIRE 592 -32 224 -32
WIRE -48 0 -80 0
WIRE -256 16 -256 -32
WIRE 96 32 96 -32
WIRE 224 48 144 48
WIRE 592 48 592 -32
WIRE -256 96 -256 80
WIRE -128 96 -256 96
WIRE -80 96 -80 0
WIRE -80 96 -128 96
WIRE 64 96 -80 96
WIRE -128 112 -128 96
WIRE -256 128 -256 96
WIRE -48 128 -48 80
WIRE -48 128 -80 128
WIRE 96 128 0 128
WIRE 256 128 96 128
WIRE 336 128 256 128
WIRE 512 128 336 128
WIRE 256 144 256 128
WIRE 512 160 512 128
WIRE 64 176 64 96
WIRE 160 176 64 176
WIRE 592 176 592 128
WIRE 592 176 560 176
WIRE -48 208 -48 128
WIRE 16 208 -48 208
WIRE -256 224 -256 192
WIRE -176 224 -256 224
WIRE -128 224 -128 208
WIRE 0 224 -128 224
WIRE -256 240 -256 224
WIRE 64 240 64 176
WIRE 96 240 64 240
WIRE -176 256 -176 224
WIRE -48 256 -176 256
WIRE 160 256 144 256
WIRE 688 256 512 256
WIRE 16 288 16 208
WIRE -176 304 -176 256
WIRE 688 320 688 256
WIRE 96 336 64 336
WIRE 256 336 256 208
WIRE 256 336 96 336
WIRE 336 336 256 336
WIRE 512 336 336 336
WIRE 592 336 592 176
WIRE -256 352 -256 304
WIRE -48 352 -128 320
WIRE -48 352 -48 336
WIRE 160 368 160 256
WIRE 224 368 224 48
WIRE 544 416 448 416
WIRE 16 432 16 368
WIRE 16 432 -48 432
WIRE 512 432 512 336
WIRE -176 448 -176 400
WIRE 64 448 -176 448
WIRE 224 448 160 448
WIRE 272 448 224 448
WIRE 272 464 272 448
WIRE 16 480 16 432
WIRE 16 480 0 480
WIRE 128 512 112 512
WIRE 368 512 352 512
WIRE 448 512 448 416
WIRE 464 512 448 512
WIRE -144 576 -144 528
WIRE 112 576 112 512
WIRE 352 576 352 512
WIRE -256 656 -256 416
WIRE -144 656 -256 656
WIRE 0 656 0 576
WIRE 0 656 -144 656
WIRE 112 656 0 656
WIRE 272 656 272 560
WIRE 272 656 112 656
WIRE 352 656 272 656
WIRE 512 656 512 528
WIRE 512 656 352 656
WIRE 592 656 592 432
WIRE 592 656 512 656
WIRE 688 656 688 384
WIRE 688 656 592 656
WIRE -256 704 -256 656
FLAG -256 704 0
FLAG 336 128 C1A
FLAG 336 336 C1B
FLAG 688 256 ADC
SYMBOL pmos 144 128 R180
SYMATTR InstName M1
SYMATTR Value BSS84
SYMBOL pmos 144 336 R180
SYMATTR InstName M2
SYMATTR Value BSS84
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 res 208 -48 R0
SYMATTR InstName R1
SYMATTR Value 50k
SYMBOL cap 240 144 R0
SYMATTR InstName C1
SYMATTR Value 220n
SYMBOL res 144 160 R0
WINDOW 0 -32 33 Left 2
WINDOW 3 -43 59 Left 2
SYMATTR InstName R2
SYMATTR Value 50k
SYMBOL res 144 352 R0
WINDOW 0 -32 33 Left 2
WINDOW 3 -43 59 Left 2
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res 208 352 R0
WINDOW 0 -32 33 Left 2
WINDOW 3 -43 59 Left 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL voltage 112 560 R0
WINDOW 3 -12 120 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 11m 3 11.1m 0)
SYMBOL voltage 352 560 R0
WINDOW 3 -418 227 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V6
SYMATTR Value PWL(0 0 20m 0 20.1m 3 25m 3 25.1m 0 50m 0 50.1m 3 55m 3 55.1m 0)
SYMBOL cap 672 320 R0
SYMATTR InstName C2
SYMATTR Value 4.7n
SYMBOL npn 208 464 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL res 224 496 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 10k
SYMBOL res 464 496 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 10k
SYMBOL nmos 464 432 R0
SYMATTR InstName M3
SYMATTR Value BSS123
SYMBOL pmos 560 256 R180
SYMATTR InstName M4
SYMATTR Value BSS84
SYMBOL res 576 32 R0
SYMATTR InstName R5
SYMATTR Value 50k
SYMBOL nmos 544 336 R0
SYMATTR InstName M5
SYMATTR Value BSS123
SYMBOL pmos -80 208 R180
SYMATTR InstName M6
SYMATTR Value BSS84
SYMBOL pmos -128 400 R180
SYMATTR InstName M7
SYMATTR Value BSS84
SYMBOL res -64 -16 R0
SYMATTR InstName R6
SYMATTR Value 50k
SYMBOL res -64 240 R0
SYMATTR InstName R7
SYMATTR Value 50k
SYMBOL voltage -144 560 R0
WINDOW 3 -46 189 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V7
SYMATTR Value PWL(0 0 40m 0 40.1m 3 41m 3 41.1m 0)
SYMBOL res -48 512 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL npn -64 480 R0
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL res -64 336 R0
WINDOW 0 -32 33 Left 2
WINDOW 3 -43 59 Left 2
SYMATTR InstName R11
SYMATTR Value 10k
SYMBOL res 0 272 R0
WINDOW 0 -32 33 Left 2
WINDOW 3 -43 59 Left 2
SYMATTR InstName R12
SYMATTR Value 10k
TEXT 0 712 Left 2 !.tran 80m startup