Version 4
SHEET 1 880 680
WIRE -64 -304 -64 -320
WIRE 48 -304 48 -320
WIRE 176 -304 176 -320
WIRE -64 -208 -64 -224
WIRE 48 -208 48 -224
WIRE 176 -208 176 -224
WIRE 208 -128 144 -128
WIRE 320 -128 272 -128
WIRE 144 -32 144 -128
WIRE 208 -32 144 -32
WIRE 320 -32 320 -128
WIRE 320 -32 272 -32
WIRE 32 64 -16 64
WIRE 144 64 144 -32
WIRE 144 64 112 64
WIRE 192 64 144 64
WIRE 320 64 320 -32
WIRE 320 64 272 64
WIRE -16 96 -16 64
WIRE 208 176 208 160
WIRE 144 192 144 64
WIRE 176 192 144 192
WIRE 320 208 320 64
WIRE 320 208 240 208
WIRE 352 208 320 208
WIRE -16 224 -64 224
WIRE 32 224 -16 224
WIRE 144 224 32 224
WIRE 176 224 144 224
WIRE 208 256 208 240
WIRE -64 272 -64 224
WIRE 32 272 32 224
WIRE 144 336 144 224
WIRE 192 336 144 336
WIRE 320 336 320 208
WIRE 320 336 272 336
WIRE -64 384 -64 336
WIRE 32 384 32 352
FLAG 208 160 V+
FLAG 208 256 V-
FLAG 32 384 0
FLAG -64 384 0
FLAG -16 96 0
FLAG 352 208 out
FLAG -64 -208 0
FLAG 48 -208 0
FLAG -64 -320 V+
FLAG 48 -320 V-
FLAG -16 224 lc
FLAG 176 -208 0
FLAG 176 -320 lc
SYMBOL Misc\\EuropeanResistor 176 80 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 20k
SYMBOL Opamps\\UniversalOpamp2 208 208 R0
SYMATTR InstName U1
SYMBOL Misc\\EuropeanResistor 16 80 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 176 352 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL ind 16 256 R0
WINDOW 39 36 108 Left 2
SYMATTR InstName L1
SYMATTR Value 22m
SYMATTR SpiceLine Rser=4
SYMBOL cap -80 272 R0
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL voltage -64 -320 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage 48 -320 R0
SYMATTR InstName V2
SYMATTR Value -5
SYMBOL current 176 -224 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value PWL(0 0 1u 1m 2u 0)
SYMBOL diode 272 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 208 -112 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value 1N4148
TEXT -72 -392 Left 2 !.tran 0 1000m 0 10u