Version 4
SHEET 1 1172 820
WIRE -112 -208 -192 -208
WIRE 32 -208 -48 -208
WIRE 176 -208 32 -208
WIRE 992 -144 992 -224
WIRE 992 -144 816 -144
WIRE 32 -96 32 -208
WIRE 32 -96 -80 -96
WIRE 816 -96 816 -144
WIRE -80 -64 -80 -96
WIRE -64 -64 -80 -64
WIRE 144 -64 112 -64
WIRE 240 -64 240 -208
WIRE 240 -64 224 -64
WIRE 336 -64 240 -64
WIRE 32 -48 32 -96
WIRE 32 -48 0 -48
WIRE 496 -48 400 -48
WIRE 704 -48 576 -48
WIRE 752 -48 704 -48
WIRE 992 -48 992 -144
WIRE -288 -32 -304 -32
WIRE -192 -32 -192 -208
WIRE -192 -32 -208 -32
WIRE -176 -32 -192 -32
WIRE -64 -32 -96 -32
WIRE 336 -32 304 -32
WIRE 112 64 112 -64
WIRE 144 64 112 64
WIRE 304 64 304 -32
WIRE 304 64 224 64
WIRE 416 64 304 64
WIRE 816 64 816 0
WIRE 816 64 640 64
WIRE 992 64 992 16
WIRE 1152 64 992 64
WIRE -304 80 -304 -32
WIRE -96 112 -96 -32
WIRE 112 112 112 64
WIRE 992 112 992 64
WIRE 416 144 416 128
WIRE 416 144 304 144
WIRE 528 144 416 144
WIRE 640 144 640 64
WIRE 640 144 608 144
WIRE 816 144 816 64
WIRE 1152 160 1152 64
WIRE 704 192 704 -48
WIRE 752 192 704 192
WIRE -304 208 -304 160
WIRE -96 208 -96 176
WIRE -96 208 -304 208
WIRE 304 224 304 144
WIRE -96 256 -96 208
WIRE 816 288 816 240
WIRE 992 288 992 176
WIRE 992 288 816 288
WIRE 992 336 992 288
WIRE 304 528 304 384
WIRE -592 640 -592 592
WIRE -384 640 -384 592
WIRE -592 752 -592 720
WIRE -384 752 -384 720
WIRE -384 752 -592 752
WIRE -592 800 -592 752
FLAG -96 256 0
FLAG 112 112 0
FLAG 1152 160 0
FLAG 992 -224 +15
IOPIN 992 -224 In
FLAG 992 336 -15V
IOPIN 992 336 In
FLAG -32 -80 +15
IOPIN -32 -80 In
FLAG -32 -16 -15V
IOPIN -32 -16 In
FLAG 368 -16 +15
IOPIN 368 -16 In
FLAG 368 -80 -15V
IOPIN 368 -80 In
FLAG -592 800 0
FLAG -592 592 +15
IOPIN -592 592 In
FLAG -384 592 -15V
IOPIN -384 592 In
FLAG 304 528 0
SYMBOL cap -48 -224 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL cap -112 112 R0
SYMATTR InstName C2
SYMATTR Value 220p
SYMBOL res -192 -48 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 22k
SYMBOL res -80 -48 R90
WINDOW 0 -16 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 39k
SYMBOL voltage -304 64 R0
WINDOW 3 -38 169 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(0 3.3 0 0 0 25u 50u)
SYMATTR InstName V1
SYMBOL Opamps\\UniversalOpamp2 -32 -48 R0
SYMATTR InstName U2
SYMBOL voltage -592 624 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL cap 240 -224 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C3
SYMATTR Value 220n
SYMBOL Opamps\\UniversalOpamp2 368 -48 M180
SYMATTR InstName U1
SYMBOL res 240 -80 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL res 240 48 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res 288 48 R0
SYMATTR InstName R5
SYMATTR Value 33k
SYMBOL cap 400 64 R0
SYMATTR InstName C4
SYMATTR Value 470p
SYMBOL npn 752 -96 R0
SYMATTR InstName Q1
SYMBOL pnp 752 240 M180
SYMATTR InstName Q2
SYMBOL res 592 -64 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL cap 976 -48 R0
SYMATTR InstName C5
SYMATTR Value 100n
SYMBOL cap 976 112 R0
SYMATTR InstName C6
SYMATTR Value 100n
SYMBOL res 624 128 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R7
SYMATTR Value 100
SYMBOL voltage -384 624 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 132 Left 0
SYMATTR SpiceLine Rser=0
SYMATTR InstName V3
SYMATTR Value -15
SYMBOL ind 288 288 R0
SYMATTR InstName L1
SYMATTR Value 2.23m
SYMBOL res 288 208 R0
SYMATTR InstName R8
SYMATTR Value 110
TEXT -128 360 Left 0 !.tran 0 100.5m 100m startup