Version 4
SHEET 1 880 840
WIRE 272 -304 144 -304
WIRE 480 -304 352 -304
WIRE 144 -208 144 -304
WIRE 160 -208 144 -208
WIRE 304 -208 224 -208
WIRE 368 -208 304 -208
WIRE 480 -208 480 -304
WIRE 480 -208 432 -208
WIRE 304 -192 304 -208
WIRE 304 -96 304 -112
WIRE 144 -48 144 -208
WIRE 176 -48 144 -48
WIRE 272 -48 256 -48
WIRE 336 -48 272 -48
WIRE 368 -48 336 -48
WIRE 480 -48 480 -208
WIRE 480 -48 448 -48
WIRE 560 -48 480 -48
WIRE 592 -48 560 -48
WIRE 272 -32 272 -48
WIRE 336 -32 336 -48
WIRE 560 0 560 -48
WIRE 272 48 272 32
WIRE 336 48 336 32
WIRE -96 64 -240 64
WIRE -96 80 -96 64
WIRE 256 128 256 112
WIRE 560 128 560 80
WIRE 592 128 560 128
WIRE -240 144 -240 64
WIRE 144 144 144 -48
WIRE 224 144 144 144
WIRE 480 160 480 -48
WIRE 480 160 288 160
WIRE 560 160 560 128
WIRE -96 176 -96 160
WIRE 0 176 -96 176
WIRE 32 176 0 176
WIRE 224 176 32 176
WIRE -96 192 -96 176
WIRE 144 192 144 144
WIRE 0 208 0 176
WIRE 256 208 256 192
WIRE -240 288 -240 224
WIRE -96 288 -96 272
WIRE 0 288 0 272
WIRE 144 288 144 272
WIRE 560 288 560 240
WIRE 256 336 256 320
WIRE 368 336 368 320
WIRE 256 432 256 416
WIRE 368 432 368 416
FLAG 304 -96 0
FLAG 272 48 0
FLAG 336 48 0
FLAG 256 112 +V
FLAG 256 208 -V
FLAG -96 288 0
FLAG 0 288 0
FLAG 144 288 0
FLAG -240 288 0
FLAG 560 288 0
FLAG 592 128 out1
FLAG 256 432 0
FLAG 368 432 0
FLAG 256 320 +V
FLAG 368 320 -V
FLAG 592 -48 out
FLAG 32 176 in1
FLAG -240 64 in
SYMBOL Opamps\\opamp2 256 96 R0
SYMATTR InstName U1
SYMATTR Value LM741/NS
SYMBOL Misc\\EuropeanResistor -112 64 R0
SYMATTR InstName R1
SYMATTR Value 22k
SYMBOL Misc\\EuropeanResistor -112 176 R0
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL Misc\\EuropeanResistor 128 176 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 288 -208 R0
SYMATTR InstName R4
SYMATTR Value 7.87k
SYMBOL Misc\\EuropeanResistor 272 -64 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 15.8k
SYMBOL Misc\\EuropeanResistor 464 -64 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 15.8k
SYMBOL Misc\\EuropeanResistor 544 96 M180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R7
SYMATTR Value 2.7k
SYMBOL Misc\\EuropeanResistor 544 256 M180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R8
SYMATTR Value 1k
SYMBOL cap 160 -192 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL cap 368 -192 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 1n
SYMBOL cap 256 -32 R0
SYMATTR InstName C3
SYMATTR Value 1n
SYMBOL cap 320 -32 R0
SYMATTR InstName C4
SYMATTR Value 1n
SYMBOL cap -16 208 R0
SYMATTR InstName C5
SYMATTR Value 10n
SYMBOL voltage -240 128 R0
WINDOW 3 -16 206 Left 2
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PULSE(0 5 0 5n 5n {T/2} {T})
SYMATTR Value2 AC {A}
SYMATTR InstName V1
SYMBOL voltage 256 320 R0
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL voltage 368 320 R0
SYMATTR InstName V3
SYMATTR Value -12
SYMBOL Misc\\EuropeanResistor 368 -320 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 470k
TEXT -256 408 Left 2 !.param f=10k\n.param T=1/f\n.param A=2*5/pi
TEXT -256 520 Left 2 !.inc LM741.MOD
TEXT -256 552 Left 2 !.tran 0 10m 9.9m 0.1u
TEXT -256 584 Left 2 !.options plotwinsize=0
TEXT -256 624 Left 2 !.four 10k V(out1)
TEXT -32 624 Left 2 ;Total Harmonic Distortion: 1,15%)
TEXT -256 672 Left 2 ;.ac dec 10000 1k 100k