Version 4 SHEET 1 880 680 WIRE 320 -64 -32 -64 WIRE -32 0 -32 -64 WIRE 192 0 144 0 WIRE 320 0 320 -64 WIRE 320 0 272 0 WIRE 224 112 224 96 WIRE -192 128 -240 128 WIRE -144 128 -192 128 WIRE -32 128 -32 64 WIRE -32 128 -80 128 WIRE 32 128 -32 128 WIRE 144 128 144 0 WIRE 144 128 96 128 WIRE 192 128 144 128 WIRE 320 144 320 0 WIRE 320 144 256 144 WIRE 368 144 320 144 WIRE 400 144 368 144 WIRE -240 160 -240 128 WIRE 192 160 144 160 WIRE -32 176 -32 128 WIRE 224 208 224 176 WIRE -240 288 -240 240 WIRE -32 288 -32 256 WIRE 144 288 144 160 WIRE 144 384 144 368 WIRE 272 384 272 368 WIRE 144 480 144 464 WIRE 272 480 272 464 FLAG 224 96 +V FLAG 224 208 -V FLAG 144 288 0 FLAG -32 288 0 FLAG -240 288 0 FLAG 272 480 0 FLAG 144 480 0 FLAG 144 368 +V FLAG 272 368 -V FLAG 400 144 out DATAFLAG 368 144 "round($*1k)/1k" DATAFLAG -192 128 "round($*1k)/1k" SYMBOL Opamps\\opamp2 224 80 R0 SYMATTR InstName U1 SYMATTR Value LMV771 SYMBOL voltage -240 144 R0 WINDOW 123 24 124 Left 2 WINDOW 39 24 152 Left 2 SYMATTR InstName V1 SYMATTR Value 0 SYMATTR Value2 AC 1 SYMATTR SpiceLine Rser=1m SYMBOL voltage 144 368 R0 SYMATTR InstName V2 SYMATTR Value 2.5 SYMBOL voltage 272 368 R0 SYMATTR InstName V3 SYMATTR Value -2.5 SYMBOL cap -144 144 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C1 SYMATTR Value 14.71µ SYMBOL cap 32 144 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C2 SYMATTR Value 29.41µ SYMBOL cap -48 0 R0 SYMATTR InstName C3 SYMATTR Value 14.71µ SYMBOL Misc\\EuropeanResistor -48 160 R0 SYMATTR InstName R1 SYMATTR Value 59.68k SYMBOL Misc\\EuropeanResistor 176 16 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R2 SYMATTR Value 159.15k TEXT -224 376 Left 2 !.inc LMV771.MOD TEXT -224 424 Left 2 !.ac dec 1000 0.1 100k