Version 4
SHEET 1 1488 1604
WIRE 256 144 -224 144
WIRE 528 144 256 144
WIRE 640 144 592 144
WIRE -224 256 -224 144
WIRE -160 256 -224 256
WIRE 64 256 0 256
WIRE 496 256 64 256
WIRE 528 256 496 256
WIRE 640 256 640 144
WIRE 640 256 608 256
WIRE 736 256 640 256
WIRE 784 256 736 256
WIRE 496 304 496 256
WIRE 640 304 640 256
WIRE 64 320 64 256
WIRE 288 400 224 400
WIRE 496 400 496 384
WIRE 496 400 352 400
WIRE -80 480 -80 336
WIRE 64 480 64 400
WIRE 64 480 -80 480
WIRE 112 480 64 480
WIRE 224 480 224 400
WIRE 224 480 176 480
WIRE 368 480 224 480
WIRE 496 480 496 400
WIRE 496 480 448 480
WIRE 784 480 784 256
WIRE 256 512 256 144
WIRE 320 512 256 512
WIRE 320 544 320 512
WIRE 496 560 496 480
WIRE 496 560 352 560
WIRE -80 576 -80 480
WIRE 224 576 224 480
WIRE 288 576 224 576
WIRE 64 592 64 480
WIRE 640 592 640 384
WIRE 640 592 352 592
WIRE 496 624 496 560
WIRE 640 624 640 592
WIRE -224 640 -224 256
WIRE 320 672 320 608
WIRE 320 672 288 672
WIRE 256 736 256 512
WIRE 320 736 256 736
WIRE -224 768 -224 720
WIRE -224 768 -304 768
WIRE -80 768 -80 656
WIRE -80 768 -224 768
WIRE 64 768 64 656
WIRE 64 768 -80 768
WIRE 496 768 496 704
WIRE 496 768 64 768
WIRE 640 768 640 704
WIRE 640 768 496 768
WIRE 784 768 784 560
WIRE 784 768 640 768
WIRE -304 816 -304 768
WIRE -224 816 -224 768
WIRE 288 816 288 672
WIRE 288 816 256 816
WIRE 496 832 496 768
WIRE 640 832 640 768
WIRE -80 864 -80 768
WIRE 64 864 64 768
WIRE 336 944 208 944
WIRE 496 944 496 912
WIRE 496 944 400 944
WIRE 784 976 784 768
WIRE 208 1008 208 944
WIRE 384 1008 208 1008
WIRE 496 1008 496 944
WIRE 496 1008 464 1008
WIRE -80 1056 -80 944
WIRE 64 1056 64 928
WIRE 64 1056 -80 1056
WIRE 112 1056 64 1056
WIRE 208 1056 208 1008
WIRE 208 1056 176 1056
WIRE 320 1056 320 736
WIRE 496 1072 496 1008
WIRE 496 1072 352 1072
WIRE 208 1088 208 1056
WIRE 288 1088 208 1088
WIRE 640 1104 640 912
WIRE 640 1104 352 1104
WIRE 64 1120 64 1056
WIRE 496 1120 496 1072
WIRE 640 1120 640 1104
WIRE 256 1136 256 816
WIRE 320 1136 320 1120
WIRE 320 1136 256 1136
WIRE -80 1184 -80 1056
WIRE -32 1184 -32 1168
WIRE -224 1264 -224 896
WIRE -160 1264 -224 1264
WIRE 64 1264 64 1200
WIRE 64 1264 0 1264
WIRE 496 1264 496 1200
WIRE 496 1264 64 1264
WIRE 528 1264 496 1264
WIRE 640 1264 640 1200
WIRE 640 1264 608 1264
WIRE 736 1264 640 1264
WIRE 784 1264 784 1056
WIRE 784 1264 736 1264
WIRE -224 1392 -224 1264
WIRE 256 1392 256 1136
WIRE 256 1392 -224 1392
WIRE 528 1392 256 1392
WIRE 640 1392 640 1264
WIRE 640 1392 592 1392
FLAG -304 816 0
FLAG 736 256 +out
FLAG 736 1264 -out
FLAG -32 1168 0
SYMBOL LM317 -80 272 R0
WINDOW 38 -2 10 Center 0
SYMATTR SpiceModel LM317MOT
SYMATTR InstName U1
SYMBOL res 48 304 R0
SYMATTR InstName R1
SYMATTR Value 243
SYMATTR SpiceLine tol=1 pwr=.25
SYMBOL res -96 560 R0
SYMATTR InstName R2
SYMATTR Value 2517
SYMATTR SpiceLine tol=1 pwr=.25
SYMBOL res 624 240 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 0.5
SYMATTR SpiceLine tol=5 pwr=.25
SYMBOL res 512 400 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R5
SYMATTR Value 11.3K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 656 400 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R6
SYMATTR Value 10k
SYMATTR SpiceLine tol=1 pwr=.25
SYMBOL res 656 720 R180
WINDOW 0 48 71 Left 0
WINDOW 3 41 38 Left 0
SYMATTR InstName R7
SYMATTR Value 100K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 464 464 R90
WINDOW 0 0 90 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R9
SYMATTR Value 604K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL Misc\\battery -224 624 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 20
SYMBOL Misc\\battery -224 800 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 20
SYMBOL res 480 608 R0
WINDOW 0 -50 49 Left 0
WINDOW 3 -61 81 Left 0
SYMATTR InstName R8
SYMATTR Value 100k
SYMATTR SpiceLine tol=1 pwr=.25
SYMBOL diode 112 496 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D1
SYMATTR Value 1N914
SYMBOL res 768 464 R0
WINDOW 3 36 68 Left 0
SYMATTR Value {RLOAD}
SYMATTR InstName +Load
SYMBOL lm337 -80 1232 R0
SYMATTR InstName U2
SYMBOL res -96 848 R0
SYMATTR InstName R10
SYMATTR Value 2610
SYMATTR SpiceLine tol=1 pwr=.25
SYMBOL res 48 1104 R0
SYMATTR InstName R11
SYMATTR Value 243
SYMATTR SpiceLine tol=1 pwr=.25
SYMBOL diode 176 1040 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName D2
SYMATTR Value 1N914
SYMBOL res 768 960 R0
WINDOW 3 36 68 Left 0
SYMATTR Value {RLOAD}
SYMATTR InstName -Load
SYMBOL res 480 816 R0
WINDOW 0 -50 49 Left 0
WINDOW 3 -61 81 Left 0
SYMATTR InstName R13
SYMATTR Value 100k
SYMATTR SpiceLine tol=1 pwr=.25
SYMBOL res 656 928 R180
WINDOW 0 48 71 Left 0
WINDOW 3 41 38 Left 0
SYMATTR InstName R14
SYMATTR Value 100K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 624 1248 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R15
SYMATTR Value 0.5
SYMATTR SpiceLine tol=5 pwr=.25
SYMBOL res 656 1216 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R16
SYMATTR Value 10K
SYMATTR SpiceLine tol=1 pwr=.25
SYMBOL res 512 1216 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R17
SYMATTR Value 11.3K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 480 992 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R18
SYMATTR Value 604K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL cap 48 592 R0
SYMATTR InstName C1
SYMATTR Value 47n
SYMBOL cap 48 864 R0
SYMATTR InstName C2
SYMATTR Value 47n
SYMBOL diode 528 1408 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D5
SYMATTR Value MURS120
SYMBOL diode 592 128 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName D6
SYMATTR Value MURS120
SYMBOL cap 352 384 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C3
SYMATTR Value 10n
SYMBOL cap 400 928 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C4
SYMATTR Value 10n
SYMBOL Robertugo\\OPAMP5 320 512 M0
WINDOW 0 -23 64 Left 0
WINDOW 38 -88 117 Left 0
SYMATTR InstName U3
SYMATTR SpiceModel TL072s
SYMBOL Robertugo\\OPAMP5 320 1024 M0
WINDOW 0 -23 64 Left 0
WINDOW 38 -88 117 Left 0
SYMATTR InstName U4
SYMATTR SpiceModel TL072s
TEXT 872 712 Left 0 !.op
TEXT 872 736 Left 0 !.step oct param RLOAD 10 100 12
TEXT 872 656 Left 0 ;.params RLOAD=30