Version 4
SHEET 1 1492 680
WIRE 848 -432 720 -432
WIRE 912 -432 848 -432
WIRE 848 -416 848 -432
WIRE 912 -336 912 -432
WIRE 848 -288 848 -336
WIRE 1200 -256 1120 -256
WIRE 848 -240 848 -288
WIRE 1200 -224 1200 -256
WIRE 912 -192 912 -240
WIRE 432 -144 192 -144
WIRE 640 -144 432 -144
WIRE 720 -144 720 -432
WIRE 720 -144 640 -144
WIRE 912 -144 912 -192
WIRE 928 -144 912 -144
WIRE 1072 -144 1008 -144
WIRE 432 -128 432 -144
WIRE 640 -128 640 -144
WIRE 576 -80 560 -80
WIRE 848 -32 848 -144
WIRE 432 -16 432 -48
WIRE 560 -16 560 -80
WIRE 560 -16 432 -16
WIRE 640 -16 640 -32
WIRE 768 -16 640 -16
WIRE 800 -16 768 -16
WIRE 640 0 640 -16
WIRE 432 48 432 -16
WIRE 560 48 560 -16
WIRE 576 48 560 48
WIRE 368 96 304 96
WIRE 768 112 768 -16
WIRE 848 112 848 64
WIRE 1120 112 1120 -256
WIRE 1120 112 848 112
WIRE 848 144 848 112
WIRE 192 160 192 -144
WIRE 304 160 304 96
WIRE 432 160 432 144
WIRE 192 256 192 240
WIRE 304 256 304 240
WIRE 304 256 192 256
WIRE 432 256 432 240
WIRE 432 256 304 256
WIRE 640 256 640 96
WIRE 640 256 432 256
WIRE 768 256 768 192
WIRE 768 256 640 256
WIRE 848 256 848 208
WIRE 848 256 768 256
WIRE 1072 256 1072 -144
WIRE 1072 256 848 256
WIRE 1200 256 1200 224
WIRE 1200 256 1072 256
WIRE 432 288 432 256
FLAG 432 288 0
SYMBOL voltage 192 144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 24
SYMBOL pmos 800 64 M180
SYMATTR InstName M1
SYMATTR Value FDS9933A
SYMBOL voltage 304 144 R0
WINDOW 3 -272 135 Left 2
SYMATTR Value PULSE(0 3.3 0 4n 4n 40u 250u)
SYMATTR InstName V1
SYMBOL npn 368 48 R0
SYMATTR InstName Q1
SYMATTR Value BC337-25
SYMBOL npn 576 -128 R0
WINDOW 0 55 30 Left 2
SYMATTR InstName Q2
SYMATTR Value BC337-25
SYMBOL pnp 576 96 M180
WINDOW 0 62 65 Left 2
WINDOW 3 62 35 Left 2
SYMATTR InstName Q3
SYMATTR Value BC327-25
SYMBOL res 416 144 R0
SYMATTR InstName R1
SYMATTR Value 330
SYMBOL res 416 -144 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL pnp 848 -240 M180
SYMATTR InstName Q4
SYMATTR Value BC327-25
SYMBOL pnp 912 -144 R180
SYMATTR InstName Q5
SYMATTR Value BC327-25
SYMBOL res 864 -432 M0
SYMATTR InstName R2
SYMATTR Value 30
SYMBOL res 912 -128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 4,7k
SYMBOL diode 1184 -224 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 1184 -160 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL diode 1184 -96 R0
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL diode 1184 -32 R0
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL diode 1184 32 R0
SYMATTR InstName D5
SYMATTR Value 1N4148
SYMBOL diode 1184 96 R0
SYMATTR InstName D6
SYMATTR Value 1N4148
SYMBOL diode 1184 160 R0
SYMATTR InstName D7
SYMATTR Value 1N4148
SYMBOL cap 832 144 R0
SYMATTR InstName C1
SYMATTR Value 0
SYMBOL res 752 96 R0
SYMATTR InstName R4
SYMATTR Value 1k
TEXT -80 312 Left 2 !.tran 400u
TEXT 440 24 Left 2 ;10mA