Version 4
SHEET 1 1024 1460
WIRE 208 -160 208 -176
WIRE 208 -160 128 -160
WIRE 128 -144 128 -160
WIRE 208 -144 208 -160
WIRE -208 -112 -352 -112
WIRE -208 -80 -208 -112
WIRE 128 -32 128 -80
WIRE 208 -32 208 -64
WIRE 208 -32 128 -32
WIRE 208 0 208 -32
WIRE -352 16 -352 -112
WIRE -16 16 -16 -80
WIRE -16 16 -32 16
WIRE -64 32 -96 32
WIRE 32 48 0 48
WIRE 144 48 112 48
WIRE -208 64 -208 0
WIRE -192 64 -208 64
WIRE -64 64 -112 64
WIRE 256 96 208 96
WIRE -208 112 -208 64
WIRE -32 128 -32 80
WIRE -352 208 -352 96
WIRE -96 208 -96 32
WIRE 256 208 256 96
WIRE 256 208 -96 208
WIRE 432 208 256 208
FLAG 256 288 0
FLAG 496 144 0
FLAG 496 64 Vcc
FLAG 432 208 Vout
FLAG -208 192 0
FLAG -352 208 0
FLAG -32 128 0
FLAG -16 -80 Vcc
FLAG 208 -176 Vcc
SYMBOL npn 144 0 R0
SYMATTR InstName Q1
SYMATTR Value TIP120
SYMATTR Prefix X
SYMBOL res 240 192 R0
SYMATTR InstName R2
SYMATTR Value 1
SYMBOL voltage 496 48 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL ind 192 -160 R0
SYMATTR InstName L1
SYMATTR Value 1mH
SYMATTR SpiceLine Rser=12
SYMBOL res 128 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL res -224 -96 R0
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL res -224 96 R0
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL res -96 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL voltage -352 0 R0
WINDOW 3 -54 -165 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 5 .01 1e-6 1e-6 .1 .2)
SYMBOL Opamps\\opamp2 -32 -16 R0
SYMATTR InstName U1
SYMATTR Value LM358
SYMBOL schottky 144 -80 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
TEXT 256 -32 Left 2 !.lib tip120.sub
TEXT 296 128 Left 2 !.tran .3
TEXT 264 16 Left 2 !.lib LM358.sub