Version 4
SHEET 1 1172 680
WIRE -256 -256 -368 -256
WIRE 80 -256 -176 -256
WIRE 496 -256 144 -256
WIRE -560 -240 -576 -240
WIRE -544 -240 -560 -240
WIRE -464 -240 -480 -240
WIRE -448 -240 -464 -240
WIRE -576 -208 -576 -240
WIRE -480 -208 -480 -240
WIRE -576 -96 -576 -128
WIRE -480 -96 -480 -128
WIRE 304 -80 224 -80
WIRE 496 -80 496 -256
WIRE 496 -80 368 -80
WIRE -32 -32 -48 -32
WIRE 0 -32 -32 -32
WIRE 0 0 0 -32
WIRE -368 16 -368 -256
WIRE -32 16 -368 16
WIRE 80 32 32 32
WIRE 224 32 224 -80
WIRE 224 32 80 32
WIRE 304 32 224 32
WIRE 496 32 496 -80
WIRE 496 32 368 32
WIRE -32 48 -112 48
WIRE -32 112 -48 112
WIRE 0 112 0 64
WIRE 0 112 -32 112
WIRE -368 128 -368 16
WIRE 496 144 496 32
WIRE -112 160 -112 48
WIRE -32 160 -112 160
WIRE 80 160 80 32
WIRE 80 160 48 160
WIRE -112 192 -112 160
WIRE 496 304 496 224
WIRE -368 320 -368 208
WIRE -112 320 -112 272
FLAG -112 320 0
FLAG 496 304 0
FLAG -368 320 0
FLAG -32 -32 Vee
FLAG -32 112 Vcc
FLAG -576 -96 0
FLAG -480 -96 0
FLAG -464 -240 Vcc
FLAG -560 -240 Vee
SYMBOL cap 80 -240 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 1uF
SYMBOL res 64 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res -96 288 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL cap 368 -96 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 0.1uF
SYMBOL ind -272 -240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L
SYMATTR Value 1H
SYMBOL current 496 144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I0
SYMATTR Value 1mA
SYMBOL res -384 112 R0
SYMATTR InstName R
SYMATTR Value 0.5k
SYMBOL voltage -480 -224 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 15V
SYMBOL voltage -576 -112 R180
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 15V
SYMBOL diode 304 48 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D
SYMATTR Value 1N4148
SYMBOL Opamps\\UniversalOpamp2 0 32 M180
SYMATTR InstName U
TEXT -640 64 Left 2 !.tran 0 500m 0 0.1m
TEXT -640 96 Left 2 !.lib opamp.sub