Version 4
SHEET 1 1380 680
WIRE -112 0 -320 0
WIRE 128 0 -112 0
WIRE 512 16 304 16
WIRE 752 16 512 16
WIRE 1136 16 928 16
WIRE 1376 16 1136 16
WIRE -112 32 -112 0
WIRE -320 48 -320 0
WIRE 512 48 512 16
WIRE 1136 48 1136 16
WIRE 304 64 304 16
WIRE 928 64 928 16
WIRE -464 176 -576 176
WIRE -320 176 -320 112
WIRE -320 176 -400 176
WIRE -256 176 -320 176
WIRE -112 176 -112 112
WIRE -112 176 -192 176
WIRE -48 176 -112 176
WIRE 128 192 128 0
WIRE 128 192 16 192
WIRE 160 192 128 192
WIRE 304 192 304 128
WIRE 304 192 224 192
WIRE 368 192 304 192
WIRE 512 192 512 128
WIRE 512 192 432 192
WIRE 576 192 512 192
WIRE 752 192 752 16
WIRE 784 192 752 192
WIRE 928 192 928 128
WIRE 928 192 848 192
WIRE 992 192 928 192
WIRE 1136 192 1136 128
WIRE 1136 192 1056 192
WIRE 1200 192 1136 192
WIRE -48 208 -96 208
WIRE 752 208 752 192
WIRE 752 208 640 208
WIRE 1376 208 1376 16
WIRE 1376 208 1264 208
WIRE -576 224 -576 176
WIRE 576 224 528 224
WIRE 1200 224 1152 224
WIRE -320 240 -320 176
WIRE -96 240 -96 208
WIRE 304 256 304 192
WIRE 528 256 528 224
WIRE 928 256 928 192
WIRE 1152 256 1152 224
WIRE -576 352 -576 304
WIRE -320 352 -320 320
WIRE 304 368 304 336
WIRE 928 368 928 336
FLAG -96 240 0
FLAG -320 352 0
FLAG -576 352 0
FLAG 528 256 0
FLAG 304 368 0
FLAG 1152 256 0
FLAG 928 368 0
SYMBOL OpAmps\\opamp -16 128 R0
SYMATTR InstName U1
SYMBOL cap -400 160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL cap -192 160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 10n
SYMBOL cap -304 112 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C4
SYMATTR Value 10n
SYMBOL res -336 224 R0
SYMATTR InstName R2
SYMATTR Value 1.25k
SYMBOL res -128 16 R0
SYMATTR InstName R5
SYMATTR Value 2.47k
SYMBOL voltage -576 208 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value ""
SYMATTR Value2 AC 1
SYMBOL OpAmps\\opamp 608 144 R0
SYMATTR InstName U2
SYMBOL cap 224 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL cap 432 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 10n
SYMBOL cap 320 128 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C6
SYMATTR Value 10n
SYMBOL res 288 240 R0
SYMATTR InstName R1
SYMATTR Value 750
SYMBOL res 496 32 R0
SYMATTR InstName R3
SYMATTR Value 3.37k
SYMBOL OpAmps\\opamp 1232 144 R0
SYMATTR InstName U3
SYMBOL cap 848 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 10n
SYMBOL cap 1056 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C8
SYMATTR Value 10n
SYMBOL cap 944 128 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C9
SYMATTR Value 10n
SYMBOL res 912 240 R0
SYMATTR InstName R4
SYMATTR Value 274
SYMBOL res 1120 32 R0
SYMATTR InstName R6
SYMATTR Value 9.22k
TEXT -112 440 Left 2 !.lib opamp.sub
TEXT 304 552 Left 2 !.ac dec 101 100 100k