Version 4
SHEET 1 1768 1352
WIRE -400 304 -400 48
WIRE -400 432 -400 304
WIRE -368 304 -400 304
WIRE -368 320 -368 304
WIRE -336 192 -336 160
WIRE -336 336 -336 272
WIRE -288 432 -400 432
WIRE -256 160 -336 160
WIRE -256 240 -256 160
WIRE -256 400 -256 320
WIRE -176 208 -176 192
WIRE -176 336 -336 336
WIRE -176 336 -176 288
WIRE -144 272 -144 224
WIRE -144 432 -224 432
WIRE -144 432 -144 272
WIRE -144 608 -160 608
WIRE -144 608 -144 432
WIRE -128 336 -176 336
WIRE -128 480 -128 336
WIRE -112 192 -176 192
WIRE -112 592 -112 192
WIRE -96 160 -256 160
WIRE -96 192 -112 192
WIRE -96 224 -144 224
WIRE -48 432 -144 432
WIRE -48 592 -112 592
WIRE -16 336 -32 336
WIRE -16 400 -16 336
WIRE 0 336 -16 336
WIRE 48 480 -128 480
WIRE 48 512 48 480
WIRE 112 224 96 224
WIRE 112 336 80 336
WIRE 112 336 112 224
WIRE 144 48 -400 48
WIRE 144 160 96 160
WIRE 144 160 144 48
WIRE 144 432 16 432
WIRE 144 432 144 160
WIRE 144 592 32 592
WIRE 144 592 144 560
WIRE 160 192 96 192
WIRE 160 192 160 128
WIRE 176 336 176 224
WIRE 176 480 48 480
WIRE 176 480 176 336
WIRE 208 192 160 192
WIRE 208 224 176 224
WIRE 224 352 224 288
WIRE 224 432 224 416
WIRE 240 48 144 48
WIRE 240 176 240 48
WIRE 240 272 -144 272
WIRE 240 272 240 240
WIRE 272 288 224 288
WIRE 272 288 272 224
WIRE 288 208 272 208
WIRE 288 224 272 224
WIRE 288 224 288 208
WIRE 304 128 224 128
WIRE 304 208 288 208
WIRE 304 208 304 128
WIRE 304 224 304 208
WIRE 304 368 304 304
WIRE 304 432 224 432
WIRE 304 432 304 368
WIRE 304 496 304 432
WIRE 320 336 176 336
WIRE 320 368 304 368
WIRE 320 496 304 496
WIRE 416 352 384 352
WIRE 416 496 400 496
WIRE 416 496 416 352
WIRE 416 592 144 592
WIRE 416 592 416 496
WIRE 448 128 448 80
WIRE 448 304 448 208
WIRE 448 464 448 304
WIRE 448 576 448 544
WIRE 464 80 448 80
WIRE 480 576 448 576
WIRE 528 176 528 160
WIRE 528 304 448 304
WIRE 528 304 528 256
WIRE 528 336 528 304
FLAG 144 560 Pul
IOPIN 144 560 Out
FLAG -32 336 Vc
IOPIN -32 336 In
FLAG 528 160 Vc
IOPIN 528 160 Out
FLAG 48 512 0
FLAG -160 608 V-
IOPIN -160 608 In
FLAG 480 576 V-
IOPIN 480 576 Out
FLAG 528 336 0
FLAG 464 80 V+
IOPIN 464 80 Out
FLAG -368 320 V+
IOPIN -368 320 In
FLAG 352 320 V+
IOPIN 352 320 In
FLAG 352 384 V-
IOPIN 352 384 In
SYMBOL 3080 0 176 R0
WINDOW 38 -53 -45 Left 0
WINDOW 0 -24 15 Left 0
SYMATTR InstName U1
SYMBOL res -352 176 R0
WINDOW 0 -35 31 Left 0
WINDOW 3 -35 65 Left 0
SYMATTR InstName R1
SYMATTR Value 3K3
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res -272 224 R0
WINDOW 0 -36 33 Left 0
WINDOW 3 -38 64 Left 0
SYMATTR InstName R3
SYMATTR Value 1E7
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL Pote -192 416 R90
WINDOW 0 54 19 VRight 0
WINDOW 123 4 129 VCenter 0
WINDOW 3 1 -5 VCenter 0
SYMATTR InstName Simetrķa
SYMATTR Value Rt=1e5
SYMBOL res -192 192 R0
WINDOW 0 -23 32 Left 0
WINDOW 3 -35 66 Left 0
SYMATTR InstName R4
SYMATTR Value 3K3
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL Pote 48 416 R90
WINDOW 0 50 37 VRight 0
WINDOW 123 3 121 VCenter 0
WINDOW 3 2 0 VCenter 0
SYMATTR InstName Freq
SYMATTR Value Rt=3k
SYMBOL cap 224 112 R90
WINDOW 0 -27 36 VBottom 0
WINDOW 3 -27 33 VTop 0
SYMATTR InstName C1
SYMATTR Value 100p
SYMBOL voltage 448 112 R0
WINDOW 0 12 7 Left 0
WINDOW 3 -16 57 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 -49 -11 VRight 0
SYMATTR InstName V1
SYMATTR Value 7.5
SYMATTR SpiceLine Rser=1 Cpar=100n
SYMBOL voltage 448 560 M180
WINDOW 0 18 112 Left 0
WINDOW 3 -16 57 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 -49 -27 VRight 0
SYMATTR InstName V2
SYMATTR Value -7.5
SYMATTR SpiceLine Rser=1 Cpar=100n
SYMBOL res 48 576 R90
WINDOW 0 16 112 VBottom 0
WINDOW 3 -12 -19 VTop 0
SYMATTR InstName R7
SYMATTR Value 220K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 96 320 R90
WINDOW 0 -10 83 VBottom 0
WINDOW 3 -37 34 VTop 0
SYMATTR InstName R8
SYMATTR Value 4K7
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL voltage 528 160 R0
WINDOW 0 4 106 Left 0
WINDOW 3 -16 57 Invisible 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value PWL(0 -3 30u -3 30.1u 0 40u 0 40.1u 3 50u 3 50.1u 6 60u 6 60.1u 7.5)
SYMBOL OPAMP5 240 144 R0
WINDOW 0 -27 63 Left 0
WINDOW 38 -76 19 Left 0
SYMATTR InstName U2
SYMATTR SpiceModel TL062
SYMBOL OPAMP5 352 288 R0
WINDOW 0 -27 63 Left 0
WINDOW 38 -128 26 Left 0
SYMATTR InstName U3
SYMATTR SpiceModel TL062
SYMBOL res 288 208 R0
WINDOW 0 -23 32 Left 0
WINDOW 3 -35 66 Left 0
SYMATTR InstName R2
SYMATTR Value 39K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 416 480 R90
WINDOW 0 -2 94 VBottom 0
WINDOW 3 48 77 VTop 0
SYMATTR InstName R5
SYMATTR Value 150K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL cap 208 352 R0
SYMATTR InstName C2
SYMATTR Value 33p
TEXT -394 70 Left 0 !.tran 0 70u 20u startup
TEXT -88 72 Left 0 !.option noopiter
TEXT -392 104 Left 0 ;LM3080/NS R7=270k\nLM3080 R7=220k
TEXT 160 256 Left 0 ;TL062
TEXT -384 536 Left 0 !.options Gmin=1e-11