Version 4
SHEET 1 1332 692
WIRE 16 -32 -48 -32
WIRE 112 -32 80 -32
WIRE 224 -32 192 -32
WIRE 256 -32 224 -32
WIRE 448 -32 336 -32
WIRE 704 -32 672 -32
WIRE 896 -32 784 -32
WIRE -656 64 -656 16
WIRE 448 80 448 -32
WIRE 512 80 448 80
WIRE 896 80 896 -32
WIRE 896 80 592 80
WIRE -656 160 -656 144
WIRE -656 160 -688 160
WIRE 224 160 224 -32
WIRE 272 160 224 160
WIRE 672 160 672 -32
WIRE 720 160 672 160
WIRE 448 176 448 80
WIRE 448 176 336 176
WIRE 896 176 896 80
WIRE 896 176 784 176
WIRE -656 192 -656 160
WIRE 272 192 224 192
WIRE 672 224 672 160
WIRE -656 304 -656 272
WIRE -448 304 -448 224
WIRE -352 304 -352 224
WIRE 304 304 304 208
WIRE 752 304 752 208
WIRE 448 336 448 176
WIRE 672 336 672 304
WIRE 672 336 448 336
FLAG -352 304 0
FLAG -448 304 0
FLAG 304 304 0
FLAG 304 144 Vin+
FLAG -448 144 Vin+
FLAG -352 144 Eingang
FLAG 752 304 0
FLAG 752 144 Vmiddle
FLAG 224 192 Vmiddle
FLAG -48 -32 Eingang
FLAG 720 192 Vmiddle
FLAG -656 304 0
FLAG -688 160 Vmiddle
FLAG -656 16 Vin+
SYMBOL Opamps\\LT1886 304 112 R0
WINDOW 0 41 42 Left 0
WINDOW 3 46 86 Left 0
SYMATTR InstName U1
SYMBOL voltage -352 128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value SINE(0 1.5 100000)
SYMBOL voltage -448 128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 40
SYMBOL res 240 -16 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R1
SYMATTR Value 3300
SYMBOL res 96 -16 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R2
SYMATTR Value 330
SYMBOL Opamps\\LT1886 752 112 R0
WINDOW 0 41 42 Left 0
WINDOW 3 46 86 Left 0
SYMATTR InstName U2
SYMBOL res 688 -16 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R3
SYMATTR Value 3300
SYMBOL res 656 208 R0
SYMATTR InstName R4
SYMATTR Value 3300
SYMBOL res 608 64 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R5
SYMATTR Value 100000
SYMBOL res -672 48 R0
SYMATTR InstName R6
SYMATTR Value 10000
SYMBOL res -672 176 R0
SYMATTR InstName R7
SYMATTR Value 10000
SYMBOL cap 16 -16 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName C1
SYMATTR Value 470p
TEXT -472 344 Left 0 !.tran 0 0.15ms 0.1ms