Version 4
SHEET 1 1224 680
WIRE 576 -64 560 -64
WIRE -48 -48 -80 -48
WIRE 304 -48 32 -48
WIRE 576 -48 576 -64
WIRE 192 0 160 0
WIRE 304 0 304 -48
WIRE 304 0 272 0
WIRE -224 16 -512 16
WIRE -336 64 -368 64
WIRE -224 64 -224 16
WIRE -224 64 -256 64
WIRE 576 80 560 80
WIRE 576 96 576 80
WIRE 64 144 32 144
WIRE 160 144 160 0
WIRE 160 144 144 144
WIRE 192 144 160 144
WIRE 304 160 304 0
WIRE 304 160 256 160
WIRE 336 160 304 160
WIRE 192 176 112 176
WIRE -464 208 -496 208
WIRE -368 208 -368 64
WIRE -368 208 -384 208
WIRE -336 208 -368 208
WIRE -224 224 -224 64
WIRE -224 224 -272 224
WIRE -144 224 -224 224
WIRE -80 224 -80 -48
WIRE -80 224 -96 224
WIRE -32 224 -80 224
WIRE 80 224 32 224
WIRE 112 224 112 176
WIRE 112 224 80 224
WIRE -336 240 -384 240
WIRE 80 256 80 224
WIRE -704 288 -864 288
WIRE -576 288 -576 16
WIRE -576 288 -624 288
WIRE -528 288 -576 288
WIRE -416 288 -448 288
WIRE -384 288 -384 240
WIRE -384 288 -416 288
WIRE -864 320 -864 288
WIRE -416 320 -416 288
WIRE 160 352 160 320
WIRE 80 384 80 336
WIRE -416 416 -416 384
WIRE -864 432 -864 400
FLAG 576 -48 0
FLAG 576 96 0
FLAG 224 128 V+
IOPIN 224 128 BiDir
FLAG 480 -64 V+
IOPIN 480 -64 BiDir
FLAG 224 192 V-
IOPIN 224 192 BiDir
FLAG 480 80 V-
IOPIN 480 80 BiDir
FLAG 32 144 0
FLAG -864 432 0
FLAG 336 160 Vout
IOPIN 336 160 Out
FLAG 80 384 0
FLAG -304 192 V+
IOPIN -304 192 BiDir
FLAG -304 256 V-
IOPIN -304 256 BiDir
FLAG -496 208 0
FLAG -416 416 0
SYMBOL Misc\\battery 464 -64 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 -32 56 VBottom 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL Misc\\battery 576 80 R90
WINDOW 0 -32 56 VBottom 0
WINDOW 3 32 56 VTop 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL res 160 128 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res 288 -16 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 6k
SYMBOL voltage -864 304 R0
WINDOW 3 -214 49 Left 0
WINDOW 123 24 44 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value SINE(0 0.1 1e4)
SYMATTR Value2 AC 1 0
SYMATTR InstName V3
SYMBOL Opamps\\UniversalOpamp2 224 160 R0
SYMATTR InstName U1
SYMATTR Value2 Avol=1Meg GBW=1Meg Slew=10Meg
SYMBOL res 96 352 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL cap 32 208 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 0.1µf
SYMBOL cap -144 240 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName C2
SYMATTR Value 0.1µf
SYMBOL res 48 -64 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R5
SYMATTR Value 100k
SYMBOL res -368 192 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL res -240 48 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R7
SYMATTR Value 6k
SYMBOL Opamps\\UniversalOpamp2 -304 224 R0
SYMATTR InstName U2
SYMATTR Value2 Avol=1Meg GBW=1Meg Slew=10Meg
SYMBOL res -544 304 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R8
SYMATTR Value 100k
SYMBOL cap -400 384 R180
WINDOW 0 24 64 Left 0
WINDOW 3 24 8 Left 0
SYMATTR InstName C3
SYMATTR Value 1nf
SYMBOL cap -512 0 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 39 36 VTop 0
SYMATTR InstName C4
SYMATTR Value 1.0nf
SYMBOL res -608 272 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R9
SYMATTR Value 100k
TEXT 472 336 Left 0 !;tran 1e-3
TEXT 248 336 Left 0 !.ac dec 20 1 1e5
TEXT -480 -24 Left 0 ;Low-pass section
TEXT 40 -96 Left 0 ;High-pass section
TEXT -208 -160 Left 0 ;Bandpass filter