Version 4
SHEET 1 1700 856
WIRE 1040 -256 96 -256
WIRE 960 -224 288 -224
WIRE 608 -192 576 -192
WIRE 688 -192 608 -192
WIRE 720 -192 688 -192
WIRE 848 -192 800 -192
WIRE 96 -176 96 -256
WIRE 96 -176 16 -176
WIRE 144 -176 96 -176
WIRE 288 -176 288 -224
WIRE 288 -176 224 -176
WIRE 480 -176 288 -176
WIRE 848 -144 848 -192
WIRE 864 -144 848 -144
WIRE 480 -128 480 -176
WIRE 576 -128 576 -192
WIRE 416 -96 304 -96
WIRE 304 -64 304 -96
WIRE 608 -64 608 -192
WIRE 688 -48 688 -192
WIRE 848 -32 848 -144
WIRE 416 0 416 -96
WIRE 528 0 416 0
WIRE 528 0 528 -64
WIRE 304 48 304 0
WIRE 368 48 304 48
WIRE -16 64 -160 64
WIRE 16 64 16 -176
WIRE 16 64 -16 64
WIRE -160 96 -160 64
WIRE -160 96 -224 96
WIRE -112 96 -160 96
WIRE -224 128 -224 96
WIRE -112 128 -112 96
WIRE 16 128 16 64
WIRE 64 128 16 128
WIRE 368 128 368 48
WIRE 368 128 320 128
WIRE 608 128 608 16
WIRE 688 128 688 16
WIRE 848 128 848 48
WIRE -320 144 -496 144
WIRE 368 160 368 128
WIRE -496 176 -496 144
WIRE -320 208 -320 144
WIRE -224 208 -224 192
WIRE -224 208 -320 208
WIRE -16 208 -16 64
WIRE 960 208 960 -224
WIRE 960 208 560 208
WIRE -112 240 -112 192
WIRE -112 240 -304 240
WIRE -224 256 -224 208
WIRE -112 256 -112 240
WIRE 192 256 192 224
WIRE 288 256 192 256
WIRE 368 256 368 240
WIRE 368 256 288 256
WIRE 560 288 560 208
WIRE 624 288 560 288
WIRE 880 288 816 288
WIRE 1040 288 1040 -256
WIRE 1040 288 960 288
WIRE -496 304 -496 256
WIRE -304 304 -304 240
WIRE -304 304 -496 304
WIRE 288 320 288 256
WIRE 368 320 368 256
WIRE 1184 320 1104 320
WIRE 1264 320 1184 320
WIRE 1344 320 1264 320
WIRE 192 336 192 256
WIRE 624 336 576 336
WIRE 1040 336 1040 288
WIRE 1040 336 816 336
WIRE 1104 336 1104 320
WIRE 1264 352 1264 320
WIRE 1344 352 1344 320
WIRE -224 368 -224 320
WIRE -160 368 -224 368
WIRE -112 368 -112 320
WIRE -112 368 -160 368
WIRE -160 432 -160 368
WIRE -16 432 -16 272
WIRE 864 464 816 464
WIRE 976 464 864 464
WIRE 1184 464 1184 320
WIRE 288 480 288 384
WIRE 368 480 368 400
WIRE 864 480 864 464
WIRE 1104 480 1104 416
WIRE 1152 480 1104 480
WIRE 1264 496 1264 432
WIRE 1264 496 1216 496
WIRE 1296 496 1264 496
WIRE 976 512 976 464
WIRE 1152 512 976 512
WIRE 192 544 192 416
WIRE 192 544 144 544
WIRE 1104 544 1104 480
WIRE 1184 576 1184 528
WIRE 1344 576 1344 432
WIRE 1344 576 1184 576
WIRE 80 592 -16 592
WIRE 576 592 576 336
WIRE 864 592 864 560
WIRE 864 592 576 592
WIRE 1184 592 1184 576
WIRE 576 608 576 592
WIRE 144 704 144 640
WIRE 1104 704 1104 624
WIRE -16 752 -16 592
WIRE 1296 752 1296 496
WIRE 1296 752 -16 752
WIRE 0 0 0 0
FLAG 864 -144 OUT
FLAG -160 432 0
FLAG -16 432 0
FLAG 368 480 0
FLAG 576 608 0
FLAG 1184 592 0
FLAG 1104 704 0
FLAG 688 128 0
FLAG 144 704 0
FLAG 848 128 0
FLAG 288 480 0
FLAG 608 128 0
SYMBOL voltage -496 160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=5
SYMATTR InstName V1
SYMATTR Value SINE(0 36 60)
SYMBOL res 352 144 R0
SYMATTR InstName R1
SYMATTR Value 220
SYMBOL res 352 304 R0
SYMATTR InstName R2
SYMATTR Value 2.2k
SYMBOL diode -208 192 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMBOL diode -96 192 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMBOL diode -208 320 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMBOL diode -96 320 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMBOL cap -32 208 R0
SYMATTR InstName C1
SYMATTR Value 4700u
SYMBOL PowerProducts\\LT317A 192 128 R0
SYMATTR InstName U1
SYMBOL npn3 480 -64 R270
SYMATTR InstName Q1
SYMATTR Value 2N5550
SYMBOL diode 320 0 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D7
SYMATTR Value 1N4148
SYMBOL Opamps\\LT6106 720 352 R0
SYMATTR InstName U3
SYMBOL res 128 -160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 0.1
SYMBOL res 848 464 R0
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL res 976 272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL Comparators\\LT1017 1184 496 R0
SYMATTR InstName U2
SYMBOL voltage 1344 336 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=10
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL res 1088 320 R0
SYMATTR InstName R3
SYMATTR Value 8k
SYMATTR SpiceLine tol=2k
SYMBOL res 1088 528 R0
SYMATTR InstName R7
SYMATTR Value 2k
SYMBOL cap 672 -48 R0
SYMATTR InstName C2
SYMATTR Value 470u
SYMBOL res 1248 336 R0
SYMATTR InstName R8
SYMATTR Value 2.2k
SYMBOL npn2 80 544 R0
SYMATTR InstName Q3
SYMATTR Value 2SC4081
SYMBOL cap 272 320 R0
SYMATTR InstName C4
SYMATTR Value 10u
SYMBOL res 176 320 R0
SYMATTR InstName R11
SYMATTR Value 47
SYMBOL res 592 -80 R0
SYMATTR InstName R9
SYMATTR Value 1k
SYMBOL res 704 -176 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R12
SYMATTR Value 0
SYMBOL res 832 -48 R0
SYMATTR InstName R13
SYMATTR Value {Rf}
TEXT 1120 -200 Left 2 !.tran 1000m\n.optoins plotwinsize=0
TEXT 1120 -72 Left 2 !.step param Rf list 1k 100 24 12 6 3