Version 4
SHEET 1 1032 680
WIRE -128 -48 -432 -48
WIRE 64 0 -192 0
WIRE 240 0 144 0
WIRE -192 48 -192 0
WIRE -112 48 -192 48
WIRE -32 48 -48 48
WIRE -128 112 -128 -48
WIRE -192 128 -192 48
WIRE -160 128 -192 128
WIRE -32 144 -32 48
WIRE -32 144 -96 144
WIRE 0 144 -32 144
WIRE 128 144 80 144
WIRE 240 144 240 0
WIRE 240 144 208 144
WIRE 288 144 240 144
WIRE -160 160 -192 160
WIRE -32 176 -32 144
WIRE -128 208 -128 176
WIRE 240 208 240 144
WIRE -432 224 -432 -48
WIRE -192 272 -192 160
WIRE -32 272 -32 256
WIRE -32 272 -192 272
WIRE -32 288 -32 272
WIRE -32 384 -32 368
WIRE -432 496 -432 304
WIRE -32 496 -32 464
WIRE 240 496 240 272
FLAG -432 496 0
FLAG -128 208 0
FLAG -32 496 0
FLAG 240 496 0
FLAG 288 144 LFO_OUT
IOPIN 288 144 Out
SYMBOL Opamps\\UniversalOpamp2 -128 144 R0
SYMATTR InstName U1
SYMATTR SpiceModel level.3a
SYMBOL res 96 128 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 4k7
SYMBOL res 224 128 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R_RATE
SYMATTR Value 50k
SYMBOL voltage -432 208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vcc
SYMATTR Value 9V
SYMBOL cap -48 32 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL res -16 272 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R2
SYMATTR Value 470k
SYMBOL voltage -32 368 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vref
SYMATTR Value 5.1V
SYMBOL res -16 384 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R1
SYMATTR Value 150k
SYMBOL cap 224 208 R0
SYMATTR InstName C2
SYMATTR Value 15µ
SYMBOL res 160 -16 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 150k
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