Version 4
SHEET 1 1284 852
WIRE 304 -128 256 -128
WIRE 448 -128 368 -128
WIRE 768 -128 704 -128
WIRE 928 -128 832 -128
WIRE 256 -16 256 -128
WIRE 304 -16 256 -16
WIRE 448 -16 448 -128
WIRE 448 -16 384 -16
WIRE 704 -16 704 -128
WIRE 768 -16 704 -16
WIRE 928 -16 928 -128
WIRE 928 -16 848 -16
WIRE 336 96 336 80
WIRE 800 96 800 80
WIRE 256 112 256 -16
WIRE 320 112 256 112
WIRE 704 112 704 -16
WIRE 784 112 704 112
WIRE 16 128 -176 128
WIRE 128 128 80 128
WIRE 256 128 256 112
WIRE 256 128 208 128
WIRE 448 128 448 -16
WIRE 448 128 384 128
WIRE 480 128 448 128
WIRE 624 128 544 128
WIRE 704 128 704 112
WIRE 928 128 928 -16
WIRE 928 128 848 128
WIRE 1008 128 1008 64
WIRE 1008 128 928 128
WIRE 1024 128 1008 128
WIRE 320 144 304 144
WIRE 784 144 768 144
WIRE -176 192 -176 128
WIRE 336 192 336 160
WIRE 368 192 368 160
WIRE 800 192 800 160
WIRE 832 192 832 160
WIRE 496 352 496 336
WIRE 720 352 496 352
WIRE 1056 352 720 352
WIRE 720 400 720 352
WIRE 1056 400 1056 352
WIRE 496 448 496 352
WIRE 720 512 720 480
WIRE 832 512 832 480
WIRE 832 512 720 512
WIRE 1056 512 1056 480
WIRE 1168 512 1168 480
WIRE 1168 512 1056 512
WIRE 720 544 720 512
WIRE 832 544 832 512
WIRE 1056 544 1056 512
WIRE 1168 544 1168 512
WIRE 496 560 496 528
FLAG 496 560 0
FLAG -176 272 0
FLAG 720 624 0
FLAG 832 608 0
FLAG 1056 624 0
FLAG 1168 608 0
FLAG 496 336 Vcc
FLAG 832 480 Vmid1
FLAG 1168 480 Vmid2
FLAG 336 192 0
FLAG 800 192 0
FLAG 336 80 Vcc
FLAG 800 80 Vcc
FLAG 832 192 Vcc
FLAG 368 192 Vcc
FLAG 304 144 Vmid1
FLAG 768 144 Vmid2
FLAG 1008 64 out_Amp2
SYMBOL voltage -176 176 R0
WINDOW 123 24 44 Left 2
WINDOW 39 0 0 Left 0
WINDOW 3 24 44 Left 2
SYMATTR Value2 AC 1
SYMATTR Value ""
SYMATTR InstName V1
SYMBOL voltage 496 432 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 3.3
SYMBOL res 704 384 R0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res 704 528 R0
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL cap 816 544 R0
SYMATTR InstName C6
SYMATTR Value 2µ2
SYMBOL res 1040 384 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL res 1040 528 R0
SYMATTR InstName R9
SYMATTR Value 10k
SYMBOL cap 1152 544 R0
SYMATTR InstName C7
SYMATTR Value 2µ2
SYMBOL res 224 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 1k2
SYMBOL cap 80 112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 2µ2
SYMBOL Opamps\\ADA4841 352 128 R0
SYMATTR InstName U3
SYMBOL Opamps\\ADA4841 816 128 R0
SYMATTR InstName U4
SYMBOL res 400 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 15k
SYMBOL res 720 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 28 53 VTop 2
SYMATTR InstName R11
SYMATTR Value 1k2
SYMBOL res 864 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 10k
SYMBOL cap 368 -144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C8
SYMATTR Value 1n5
SYMBOL cap 544 112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 2µ2
SYMBOL cap 832 -144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C10
SYMATTR Value 1n5
TEXT -112 392 Left 2 !.ac lin 1000 100 10k