Version 4
SHEET 1 2268 680
WIRE 784 -272 -336 -272
WIRE 1008 -272 784 -272
WIRE 1792 -272 1008 -272
WIRE 784 -240 784 -272
WIRE 1120 -208 912 -208
WIRE 1008 -144 1008 -272
WIRE 784 -128 784 -160
WIRE 864 -128 784 -128
WIRE 912 -128 912 -208
WIRE 976 -128 912 -128
WIRE 1120 -112 1120 -208
WIRE 1120 -112 1040 -112
WIRE 1168 -112 1120 -112
WIRE 1200 -112 1168 -112
WIRE 1392 -112 1280 -112
WIRE 1840 -112 1664 -112
WIRE 2080 -112 1920 -112
WIRE 864 -96 864 -128
WIRE 976 -96 864 -96
WIRE 784 -80 784 -128
WIRE 784 32 784 0
WIRE 1008 32 1008 -80
WIRE 1008 32 784 32
WIRE 784 48 784 32
WIRE 1792 96 1792 -272
WIRE -48 112 -192 112
WIRE 128 112 32 112
WIRE 224 112 128 112
WIRE 400 112 304 112
WIRE 752 112 400 112
WIRE 912 112 816 112
WIRE 1008 112 912 112
WIRE 1200 112 1008 112
WIRE 1392 112 1392 -112
WIRE 1392 112 1280 112
WIRE 1520 112 1392 112
WIRE 1664 112 1664 -112
WIRE 1664 112 1520 112
WIRE 1760 112 1664 112
WIRE 2080 128 2080 -112
WIRE 2080 128 1824 128
WIRE 2192 128 2080 128
WIRE 2256 128 2192 128
WIRE 1760 144 1664 144
WIRE -336 160 -336 -272
WIRE -192 160 -192 112
WIRE 400 160 400 112
WIRE 912 192 912 112
WIRE -192 288 -192 240
WIRE 400 288 400 224
WIRE 400 288 -192 288
WIRE 400 336 400 288
WIRE 912 336 912 272
WIRE 912 336 400 336
WIRE 1664 368 1664 144
WIRE 1792 368 1792 160
WIRE -336 384 -336 240
WIRE 400 384 400 336
FLAG 400 384 0
FLAG -336 384 0
FLAG 128 112 OUT_V1
FLAG 784 48 0
FLAG 1792 368 0
FLAG 2192 128 ADD_OUT
FLAG 1664 368 0
FLAG 1520 112 VM
FLAG 1008 112 U_Wechsel
FLAG 1168 -112 U_Gleich
SYMBOL ind 208 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 79.577µ
SYMBOL cap 384 160 R0
SYMATTR InstName C1
SYMATTR Value 7.958n
SYMBOL res 48 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL voltage -336 144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL voltage -192 144 R0
WINDOW 3 16 130 Left 2
WINDOW 123 16 102 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value SINE(1.65 0.3 100k)
SYMATTR InstName V2
SYMBOL res 768 -256 R0
SYMATTR InstName R3
SYMATTR Value 500
SYMBOL res 768 -96 R0
SYMATTR InstName R4
SYMATTR Value 500
SYMBOL cap 816 96 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 2µ
SYMBOL res 1296 -128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 90k
SYMBOL res 1296 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL Opamps\\LT1807 1792 64 R0
SYMATTR InstName U1
SYMBOL res 1936 -128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 90k
SYMBOL Opamps\\LT1807 1008 -176 R0
SYMATTR InstName U2
SYMBOL res 896 176 R0
SYMATTR InstName R8
SYMATTR Value 100
TEXT -192 408 Left 2 !;ac dec 100000000 100 100000000
TEXT -192 376 Left 2 !.tran 0 0.002 0.001