Version 4
SHEET 1 1236 688
WIRE 272 -256 -576 -256
WIRE -576 -128 -576 -256
WIRE -576 -32 -576 -48
WIRE -480 -32 -576 -32
WIRE -480 0 -480 -32
WIRE 384 96 -64 96
WIRE 272 192 272 -256
WIRE -352 208 -480 208
WIRE -240 208 -272 208
WIRE -176 208 -240 208
WIRE -144 208 -176 208
WIRE -64 208 -64 96
WIRE -64 208 -80 208
WIRE -32 208 -64 208
WIRE 96 208 48 208
WIRE 240 208 96 208
WIRE 384 224 384 96
WIRE 384 224 304 224
WIRE 240 240 176 240
WIRE -240 272 -240 208
WIRE -176 320 -176 208
WIRE -48 320 -176 320
WIRE 96 320 96 208
WIRE 96 320 16 320
WIRE -480 480 -480 288
WIRE -240 480 -240 352
WIRE -240 480 -480 480
WIRE 176 480 176 240
WIRE 176 480 -240 480
WIRE 272 480 272 256
WIRE 272 480 176 480
WIRE 176 512 176 480
FLAG -480 0 0
FLAG 176 512 0
SYMBOL voltage -576 -144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 44 Left 2
SYMATTR SpiceLine Rser=0.1
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL voltage -480 192 R0
WINDOW 3 -171 359 Left 2
WINDOW 123 -171 387 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value ""
SYMATTR Value2 AC 0,7 0.1
SYMATTR InstName V3
SYMBOL Opamps\\opamp2 272 160 R0
WINDOW 3 16 60 Left 2
SYMATTR Value TL084
SYMATTR InstName U1
SYMBOL res -256 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 47.5k
SYMBOL res -224 368 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 10.7k
SYMBOL res -48 224 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 301k
SYMBOL cap -80 192 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL cap 16 304 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 100n
TEXT -608 488 Left 2 !;tran 0 0.3 0.1
TEXT -608 520 Left 2 !.inc TL084.mod
TEXT -608 632 Left 2 !;tran 0.3
TEXT -616 656 Left 2 !;tran 0.3
TEXT -616 672 Left 2 !.ac oct 100 10 10000