Version 4
SHEET 1 1392 1204
WIRE 560 -64 256 -64
WIRE 256 0 256 -64
WIRE 448 0 416 0
WIRE 560 0 560 -64
WIRE 560 0 528 0
WIRE 480 96 480 80
WIRE 416 112 416 0
WIRE 448 112 416 112
WIRE 560 128 560 0
WIRE 560 128 512 128
WIRE 624 128 560 128
WIRE -128 144 -240 144
WIRE 80 144 -48 144
WIRE 144 144 80 144
WIRE 256 144 256 64
WIRE 256 144 224 144
WIRE 288 144 256 144
WIRE 400 144 368 144
WIRE 448 144 400 144
WIRE -240 176 -240 144
WIRE 80 176 80 144
WIRE 400 176 400 144
WIRE 480 176 480 160
WIRE 80 272 80 240
WIRE 400 272 400 240
WIRE -240 288 -240 256
WIRE -64 416 -64 400
WIRE 80 416 80 400
WIRE -64 512 -64 496
WIRE 80 512 80 496
WIRE -144 640 -224 640
WIRE 96 640 -64 640
WIRE 192 640 96 640
WIRE 336 640 272 640
WIRE 512 640 336 640
WIRE 576 640 512 640
WIRE -224 672 -224 640
WIRE 96 672 96 640
WIRE 336 672 336 640
WIRE 512 672 512 640
WIRE 96 768 96 736
WIRE 336 768 336 736
WIRE 384 768 336 768
WIRE 512 768 512 736
WIRE 512 768 464 768
WIRE -224 784 -224 752
WIRE 416 880 416 864
WIRE 336 896 336 768
WIRE 384 896 336 896
WIRE 512 912 512 768
WIRE 512 912 448 912
WIRE 384 928 336 928
WIRE 336 960 336 928
WIRE 416 960 416 944
FLAG -240 288 0
FLAG 80 272 0
FLAG -64 512 0
FLAG 400 272 0
FLAG 624 128 Vout
FLAG -64 400 +V
FLAG 480 80 +V
FLAG 480 176 -V
FLAG -224 784 0
FLAG 96 768 0
FLAG 576 640 Vout_
FLAG 416 864 +V
FLAG 416 960 -V
FLAG 336 960 0
FLAG -224 640 in1
FLAG -240 144 in
FLAG 80 512 0
FLAG 80 400 -V
SYMBOL voltage -240 160 R0
WINDOW 3 17 104 Left 2
WINDOW 123 17 132 Left 2
WINDOW 39 0 0 Left 0
SYMATTR Value PWL(0 0 1u 1)
SYMATTR Value2 AC 1
SYMATTR InstName VS
SYMBOL cap 64 176 R0
SYMATTR InstName Cave
SYMATTR Value 10u
SYMBOL voltage -64 400 R0
SYMATTR InstName VCC
SYMATTR Value 2.5
SYMBOL Opamps\\LT1077 480 64 R0
SYMATTR InstName U5
SYMBOL Misc\\EuropeanResistor 240 128 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 5.6k
SYMBOL Misc\\EuropeanResistor 384 128 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 24.9k
SYMBOL Misc\\EuropeanResistor 544 -16 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 43k
SYMBOL cap 384 176 R0
SYMATTR InstName C2
SYMATTR Value 1u
SYMBOL cap 240 0 R0
SYMATTR InstName C1
SYMATTR Value 10u
SYMBOL voltage -224 656 R0
WINDOW 3 15 108 Left 2
WINDOW 123 15 136 Left 2
WINDOW 39 0 0 Left 0
SYMATTR Value PWL(0 0 1u 1)
SYMATTR Value2 AC 1
SYMATTR InstName V5
SYMBOL cap 80 672 R0
SYMATTR InstName Cave1
SYMATTR Value 10u
SYMBOL Opamps\\LT1077 416 848 R0
SYMATTR InstName U3
SYMBOL Misc\\EuropeanResistor 288 624 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R1_
SYMATTR Value 29.4k
SYMBOL Misc\\EuropeanResistor 480 752 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R2_
SYMATTR Value 100k
SYMBOL cap 320 672 R0
SYMATTR InstName C1_
SYMATTR Value 2.2u
SYMBOL cap 496 672 R0
SYMATTR InstName C2_
SYMATTR Value 2.2u
SYMBOL Misc\\EuropeanResistor -32 128 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName Ri
SYMATTR Value 12.5k
SYMBOL Misc\\EuropeanResistor -48 624 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName Ri1
SYMATTR Value 12.5k
SYMBOL voltage 80 400 R0
SYMATTR InstName VCC1
SYMATTR Value -2.5
TEXT -240 -88 Left 2 ;.tran 2
TEXT -240 -56 Left 2 !.options plotwinsize=0
TEXT 408 -96 Left 2 ;R3=12.5k+R1+R2
TEXT -240 -128 Left 2 !.ac dec 100 10m 100