Version 4
SHEET 1 880 680
WIRE -336 384 -336 368
WIRE -336 480 -336 464
WIRE -288 368 -336 368
WIRE -288 368 -288 352
WIRE -288 448 -288 368
WIRE -288 496 -288 448
WIRE -272 368 -288 368
WIRE -272 448 -288 448
WIRE -256 208 -256 144
WIRE -256 240 -256 208
WIRE -240 208 -256 208
WIRE -192 144 -256 144
WIRE -192 368 -208 368
WIRE -192 448 -208 448
WIRE -192 448 -192 368
WIRE -176 368 -192 368
WIRE -176 496 -288 496
WIRE -144 208 -160 208
WIRE -144 256 -144 208
WIRE -144 336 -144 320
WIRE -96 144 -112 144
WIRE -96 176 -96 144
WIRE -80 208 -144 208
WIRE -80 240 -80 208
WIRE -80 336 -144 336
WIRE -80 336 -80 320
WIRE -80 368 -96 368
WIRE -80 384 -80 368
WIRE -80 480 -80 464
WIRE 0 496 -96 496
WIRE 0 496 0 272
WIRE 16 432 16 176
WIRE 32 176 16 176
WIRE 32 208 -80 208
WIRE 32 272 0 272
WIRE 32 336 -80 336
WIRE 32 368 -80 368
WIRE 112 432 16 432
WIRE 272 240 256 240
WIRE 272 480 -80 480
WIRE 272 480 272 240
WIRE 288 368 256 368
WIRE 288 432 192 432
WIRE 288 432 288 368
WIRE 304 272 256 272
WIRE 304 352 304 272
WIRE 304 496 0 496
WIRE 304 496 304 352
WIRE 304 512 304 496
WIRE 352 240 272 240
WIRE 352 256 352 240
WIRE 352 352 304 352
WIRE 352 352 352 336
WIRE 352 368 288 368
WIRE 352 400 352 368
WIRE 352 496 304 496
WIRE 352 496 352 480
WIRE 416 240 352 240
WIRE 416 256 416 240
WIRE 416 352 352 352
WIRE 416 352 416 320
FLAG 304 512 0
FLAG -96 176 0
FLAG -336 480 0
FLAG -256 240 out
IOPIN -256 240 Out
FLAG -288 352 In
IOPIN -288 352 In
SYMBOL Var\\LM359N 144 288 R0
SYMATTR InstName U1
SYMBOL res -80 352 R90
WINDOW 0 57 68 VRight 0
WINDOW 3 58 19 VRight 0
SYMATTR InstName R1
SYMATTR Value 750
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res -96 368 R0
WINDOW 0 38 48 Left 0
SYMATTR InstName R2
SYMATTR Value 20K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL cap -208 352 R90
WINDOW 0 42 59 VBottom 0
WINDOW 3 18 5 VTop 0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL polcap -208 432 R90
WINDOW 0 18 61 VBottom 0
WINDOW 3 16 -3 VTop 0
SYMATTR InstName C2
SYMATTR Value 100µ
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=16 Irms=265m Rser=0.35 MTBF=2000 Lser=0 mfg="Nichicon" pn="UPL1C101MPH" type="Al electrolytic" ppPkg=1
SYMBOL res -96 224 R0
WINDOW 0 33 47 Left 0
WINDOW 3 30 85 Left 0
SYMATTR InstName R3
SYMATTR Value 7.5K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 208 416 R90
WINDOW 0 45 73 VRight 0
WINDOW 3 46 19 VRight 0
SYMATTR InstName R4
SYMATTR Value 8k2
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 336 384 R0
WINDOW 0 24 7 Left 0
WINDOW 3 29 94 Left 0
SYMATTR InstName R5
SYMATTR Value 8k2
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL cap -160 256 R0
SYMATTR InstName C3
SYMATTR Value 1p
SYMBOL res -80 480 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value 75
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res -144 192 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R7
SYMATTR Value 75
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL voltage -336 368 R0
WINDOW 0 -14 60 Left 0
WINDOW 3 9 -168 Invisible 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(0 .1 1e7)
SYMATTR Value2 AC 1 0
SYMBOL res -96 128 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R8
SYMATTR Value 75
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL voltage 352 240 R0
WINDOW 0 -48 18 Left 0
WINDOW 3 -21 59 Left 0
WINDOW 123 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 12V
SYMATTR SpiceLine Rser=1
SYMBOL cap 400 256 R0
WINDOW 0 -19 1 Left 0
WINDOW 3 -40 83 Left 0
SYMATTR InstName C4
SYMATTR Value 100n
TEXT -74 162 Left 0 !.ac dec 100 10 1e8