Version 4
SHEET 1 2012 680
WIRE -272 -224 -416 -224
WIRE -176 -224 -272 -224
WIRE -176 -192 -176 -224
WIRE -416 -96 -416 -224
WIRE -176 -80 -176 -112
WIRE -64 -80 -176 -80
WIRE -272 -64 -272 -224
WIRE -176 -64 -176 -80
WIRE -64 -64 -64 -80
WIRE -416 16 -416 -16
WIRE -272 16 -272 0
WIRE -64 16 -64 0
WIRE 112 32 16 32
WIRE 288 32 176 32
WIRE 640 48 544 48
WIRE 816 48 704 48
WIRE 1168 64 1072 64
WIRE 1344 64 1232 64
WIRE 1696 80 1600 80
WIRE 1872 80 1760 80
WIRE 16 128 16 32
WIRE 112 128 16 128
WIRE 288 128 288 32
WIRE 288 128 192 128
WIRE 544 144 544 48
WIRE 640 144 544 144
WIRE 816 144 816 48
WIRE 816 144 720 144
WIRE 1072 160 1072 64
WIRE 1168 160 1072 160
WIRE 1344 160 1344 64
WIRE 1344 160 1248 160
WIRE 1600 176 1600 80
WIRE 1696 176 1600 176
WIRE 1872 176 1872 80
WIRE 1872 176 1776 176
WIRE 112 256 112 240
WIRE 144 256 112 256
WIRE 640 272 640 256
WIRE 672 272 640 272
WIRE 1168 288 1168 272
WIRE 1200 288 1168 288
WIRE 1696 304 1696 288
WIRE 1728 304 1696 304
WIRE 112 320 112 256
WIRE -288 336 -416 336
WIRE -208 336 -288 336
WIRE -128 336 -144 336
WIRE 16 336 16 128
WIRE 16 336 -48 336
WIRE 80 336 16 336
WIRE 640 336 640 272
WIRE 224 352 144 352
WIRE 288 352 288 128
WIRE 288 352 224 352
WIRE 320 352 288 352
WIRE 400 352 384 352
WIRE 544 352 544 144
WIRE 544 352 480 352
WIRE 608 352 544 352
WIRE 1168 352 1168 288
WIRE 80 368 48 368
WIRE 752 368 672 368
WIRE 816 368 816 144
WIRE 816 368 752 368
WIRE 848 368 816 368
WIRE 928 368 912 368
WIRE 1072 368 1072 160
WIRE 1072 368 1008 368
WIRE 1136 368 1072 368
WIRE 1696 368 1696 304
WIRE 608 384 576 384
WIRE 1280 384 1200 384
WIRE 1344 384 1344 160
WIRE 1344 384 1280 384
WIRE 1376 384 1344 384
WIRE 1456 384 1440 384
WIRE 1600 384 1600 176
WIRE 1600 384 1536 384
WIRE 1664 384 1600 384
WIRE 1136 400 1104 400
WIRE 1808 400 1728 400
WIRE 1872 400 1872 176
WIRE 1872 400 1808 400
WIRE 1904 400 1872 400
WIRE 1664 416 1632 416
WIRE -288 432 -288 336
WIRE -416 464 -416 336
WIRE 112 512 112 384
WIRE 144 512 112 512
WIRE 640 528 640 400
WIRE 672 528 640 528
WIRE 1168 544 1168 416
WIRE 1200 544 1168 544
WIRE -416 560 -416 544
WIRE -288 560 -288 512
WIRE 112 560 112 512
WIRE 1696 560 1696 432
WIRE 1728 560 1696 560
WIRE 640 576 640 528
WIRE 1168 592 1168 544
WIRE 1696 608 1696 560
FLAG -416 16 0
FLAG -416 560 0
FLAG 112 560 0
FLAG -272 16 0
FLAG -176 16 0
FLAG -64 16 0
FLAG -416 -224 +UB
FLAG -64 -80 +UB/2
FLAG 112 240 +UB
FLAG -288 560 0
FLAG 48 368 +UB/2
FLAG 208 256 +UB/2
FLAG 208 512 +UB/2
FLAG 640 576 0
FLAG 640 256 +UB
FLAG 576 384 +UB/2
FLAG 736 272 +UB/2
FLAG 736 528 +UB/2
FLAG 224 352 out1
FLAG 752 368 out2
FLAG 1168 592 0
FLAG 1168 272 +UB
FLAG 1104 400 +UB/2
FLAG 1264 288 +UB/2
FLAG 1264 544 +UB/2
FLAG 1280 384 out3
FLAG 1696 608 0
FLAG 1696 288 +UB
FLAG 1632 416 +UB/2
FLAG 1792 304 +UB/2
FLAG 1792 560 +UB/2
FLAG 1808 400 out4
SYMBOL Opamps\\opamp2 112 288 R0
SYMATTR InstName U1
SYMATTR Value NE5532
SYMBOL voltage -416 -112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL voltage -416 448 R0
WINDOW 123 -306 -118 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -306 62 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V2
SYMATTR Value SINE(0 10m 40k 0 0 0 0)
SYMBOL cap -256 0 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL cap 384 336 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 7.96n
SYMBOL res -192 -208 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res -192 -80 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL cap -80 -64 R0
SYMATTR InstName C3
SYMATTR Value 1µF
SYMBOL res -32 320 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 3.9k
SYMBOL cap -144 320 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 2.04n
SYMBOL cap 176 16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 265p
SYMBOL res 208 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res -304 416 R0
SYMATTR InstName R5
SYMATTR Value 100k
SYMBOL cap 208 240 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 100n
SYMBOL cap 208 496 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 100n
SYMBOL Opamps\\opamp2 640 304 R0
SYMATTR InstName U2
SYMATTR Value NE5532
SYMBOL res 496 336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL cap 704 32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 390p
SYMBOL res 736 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 6.8k
SYMBOL cap 736 256 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C10
SYMATTR Value 100n
SYMBOL cap 736 512 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C11
SYMATTR Value 100n
SYMBOL Opamps\\opamp2 1168 320 R0
SYMATTR InstName U3
SYMATTR Value NE5532
SYMBOL res 1024 352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 1k
SYMBOL cap 1232 48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C8
SYMATTR Value 390p
SYMBOL res 1264 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 6.8k
SYMBOL cap 1264 272 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C12
SYMATTR Value 100n
SYMBOL cap 1264 528 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C13
SYMATTR Value 100n
SYMBOL cap 912 352 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C14
SYMATTR Value 7.96n
SYMBOL Opamps\\opamp2 1696 336 R0
SYMATTR InstName U4
SYMATTR Value NE5532
SYMBOL res 1552 368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 1k
SYMBOL cap 1760 64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C15
SYMATTR Value 390p
SYMBOL res 1792 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 6.8k
SYMBOL cap 1792 288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C16
SYMATTR Value 100n
SYMBOL cap 1792 544 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C17
SYMATTR Value 100n
SYMBOL cap 1440 368 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C18
SYMATTR Value 7.96n
TEXT 128 408 Left 1 !.lib NE5532.sub
TEXT -728 408 Left 2 !.ac oct 100 4k 200k
TEXT -728 368 Left 2 !;tran 1m
TEXT 656 424 Left 1 !.lib NE5532.sub
TEXT 192 8 Left 2 ;Vges=5,67 dB
TEXT 712 24 Left 2 ;Vges=19,83 dB
TEXT 296 -216 Left 2 ;Je Stufe Bandpass erster Ordnung.\nVgrenz unten = 20 kHz\nVgrenz oben = 60 kHz
TEXT 296 -112 Left 2 ;Die Mittenfrequenz von 40 kHz wird dabei je Stufe um ca. 2,45 dB weniger verstärkt.\nUrsachen: Bandbreite zu schmal oder steileres Filter erforderlich.
TEXT 1184 440 Left 1 !.lib NE5532.sub
TEXT 1240 40 Left 2 ;Vges=34,0 dB
TEXT 1712 456 Left 1 !.lib NE5532.sub
TEXT 1768 56 Left 2 ;Vges=48,1 dB
TEXT 1504 -72 Left 2 ;10 mVss werden auf 4,86 Vss verstärkt.
TEXT 1400 -288 Left 2 ;Mittenfrequenz 34 kHz\n-3 dB oben = Mittenfrequenz + 20,5 kHz\n-3 dB unten = Mittenfrequenz - 13,0 kHz\n40 kHz = -0,34 dB