Version 4
SHEET 1 4056 888
WIRE 2352 -272 2128 -272
WIRE 2880 -272 2352 -272
WIRE 2944 -272 2880 -272
WIRE 3040 -272 3024 -272
WIRE 2160 -224 2080 -224
WIRE 2256 -224 2224 -224
WIRE 2416 -224 2256 -224
WIRE 2128 -160 2128 -272
WIRE 2256 -160 2256 -224
WIRE 2944 -160 2816 -160
WIRE 2880 -64 2880 -272
WIRE 2080 -48 2080 -224
WIRE 2160 -48 2080 -48
WIRE 2256 -48 2256 -80
WIRE 2256 -48 2224 -48
WIRE 2288 -48 2256 -48
WIRE 2352 -48 2352 -272
WIRE 2816 -48 2816 -160
WIRE 2848 -48 2816 -48
WIRE 2288 -32 2288 -48
WIRE 2320 -32 2288 -32
WIRE 2944 -32 2944 -160
WIRE 2944 -32 2912 -32
WIRE 2976 -32 2944 -32
WIRE 3088 -32 3056 -32
WIRE 3152 -32 3088 -32
WIRE 3264 -32 3216 -32
WIRE 3280 -32 3264 -32
WIRE 2416 -16 2416 -224
WIRE 2416 -16 2384 -16
WIRE 2448 -16 2416 -16
WIRE 2560 -16 2528 -16
WIRE 2592 -16 2560 -16
WIRE 2688 -16 2672 -16
WIRE 2704 -16 2688 -16
WIRE 2816 -16 2784 -16
WIRE 2848 -16 2816 -16
WIRE 1712 0 1680 0
WIRE 1744 0 1712 0
WIRE 1872 0 1824 0
WIRE 1920 0 1872 0
WIRE 2000 0 1984 0
WIRE 2080 0 2080 -48
WIRE 2128 0 2128 -80
WIRE 2288 0 2128 0
WIRE 2320 0 2288 0
WIRE 3088 64 3088 -32
WIRE 3280 64 3280 -32
WIRE 1680 80 1680 0
WIRE 2080 80 2080 0
WIRE 2128 80 2128 0
WIRE 1872 96 1872 0
WIRE 2288 96 2288 0
WIRE 2560 96 2560 -16
WIRE 2688 96 2688 -16
WIRE 2816 96 2816 -16
WIRE 1680 256 1680 160
WIRE 1872 256 1872 160
WIRE 1872 256 1680 256
WIRE 2080 256 2080 160
WIRE 2080 256 1872 256
WIRE 2128 256 2128 160
WIRE 2128 256 2080 256
WIRE 2288 256 2288 160
WIRE 2288 256 2128 256
WIRE 2352 256 2352 16
WIRE 2352 256 2288 256
WIRE 2560 256 2560 160
WIRE 2560 256 2352 256
WIRE 2688 256 2688 160
WIRE 2688 256 2560 256
WIRE 2816 256 2816 160
WIRE 2816 256 2688 256
WIRE 2880 256 2880 0
WIRE 2880 256 2816 256
WIRE 3088 256 3088 128
WIRE 3088 256 2880 256
WIRE 3280 256 3280 144
WIRE 3280 256 3088 256
WIRE 1680 272 1680 256
FLAG 1680 272 0
FLAG 1712 0 src
FLAG 3040 -272 0
FLAG 3264 -32 out
SYMBOL voltage 1680 64 R0
WINDOW 0 -65 73 Left 2
WINDOW 3 -64 105 Left 2
WINDOW 39 -94 141 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 10m 650)
SYMATTR Value2 AC 1
SYMBOL voltage 2928 -272 R270
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 8V
SYMBOL cap 2304 160 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C3
SYMATTR Value 10µ
SYMBOL res 2688 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 2k
SYMBOL res 2800 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL cap 2832 160 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C6
SYMATTR Value 5.8n
SYMBOL cap 1920 16 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 180n
SYMBOL cap 3216 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C8
SYMATTR Value 33n
SYMBOL res 2112 64 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res 2112 -176 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res 3296 48 M0
SYMATTR InstName R41
SYMATTR Value 10k
SYMBOL cap 2544 96 R0
SYMATTR InstName C4
SYMATTR Value 150n
SYMBOL res 2544 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 390
SYMBOL cap 3072 64 R0
SYMATTR InstName C7
SYMATTR Value 150n
SYMBOL res 3072 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 390
SYMBOL res 1840 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 1.5k
SYMBOL cap 1856 96 R0
SYMATTR InstName C9
SYMATTR Value 10n
SYMBOL Opamps\\LT1007 2352 -80 R0
SYMATTR InstName U1
SYMBOL Opamps\\LT1007 2880 -96 R0
SYMATTR InstName U2
SYMBOL cap 2224 -240 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C11
SYMATTR Value 2.2n
SYMBOL res 2096 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 15k
SYMBOL res 2096 176 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 15k
SYMBOL cap 2224 -64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 2.2n
SYMBOL res 2240 -176 R0
SYMATTR InstName R12
SYMATTR Value 750k
SYMBOL cap 2672 96 R0
SYMATTR InstName C5
SYMATTR Value 27n
TEXT 1584 -240 Left 2 !;tran 0 20m 0 10u
TEXT 1584 -208 Left 2 !.ac dec 100 30 10k
TEXT 1584 -160 Left 2 !;noise v(out) V1 oct 100 10 10k
TEXT 1584 -96 Left 2 ;Verstärkung 14 dB, Rauschen 2.1µV\nbezogen auf den Eingang
TEXT 2912 -184 Left 2 !.step param r_var list 1 500 2k 20k