Version 4
SHEET 1 2164 1092
WIRE 1200 -176 1152 -176
WIRE 1312 -176 1280 -176
WIRE 1728 -144 1696 -144
WIRE 1904 -144 1808 -144
WIRE 576 -128 576 -144
WIRE 720 -128 720 -144
WIRE 1024 -112 992 -112
WIRE 1152 -112 1152 -176
WIRE 1152 -112 1104 -112
WIRE 992 -64 992 -112
WIRE 992 -64 928 -64
WIRE 1232 -64 1232 -80
WIRE 1760 -64 1760 -80
WIRE 1152 -48 1152 -112
WIRE 1200 -48 1152 -48
WIRE 1568 -48 1552 -48
WIRE 1696 -48 1696 -144
WIRE 1696 -48 1648 -48
WIRE 1728 -48 1696 -48
WIRE 576 -32 576 -48
WIRE 576 -32 560 -32
WIRE 720 -32 720 -48
WIRE 1312 -32 1312 -176
WIRE 1312 -32 1264 -32
WIRE 1392 -32 1312 -32
WIRE 1904 -32 1904 -144
WIRE 1904 -32 1792 -32
WIRE 1952 -32 1904 -32
WIRE 576 -16 576 -32
WIRE 992 -16 992 -64
WIRE 1040 -16 992 -16
WIRE 1152 -16 1104 -16
WIRE 1200 -16 1152 -16
WIRE 1728 -16 1696 -16
WIRE 1232 16 1232 0
WIRE 1760 16 1760 0
WIRE 1152 32 1152 -16
WIRE 1696 32 1696 -16
WIRE 1696 32 1552 32
WIRE 576 80 576 64
WIRE 1152 144 1152 112
WIRE 272 208 240 208
WIRE 384 208 336 208
WIRE 688 288 656 288
WIRE 800 288 768 288
WIRE 960 288 800 288
WIRE 1184 288 1152 288
WIRE 1296 288 1264 288
WIRE 1456 288 1296 288
WIRE 1680 288 1648 288
WIRE 1792 288 1744 288
WIRE 1952 288 1792 288
WIRE 240 304 240 208
WIRE 272 304 240 304
WIRE 384 304 384 208
WIRE 384 304 352 304
WIRE 880 384 880 368
WIRE 1376 384 1376 368
WIRE 1872 384 1872 368
WIRE 304 400 304 384
WIRE 800 400 800 288
WIRE 848 400 800 400
WIRE 1296 400 1296 288
WIRE 1344 400 1296 400
WIRE 1792 400 1792 288
WIRE 1840 400 1792 400
WIRE 96 416 0 416
WIRE 240 416 240 304
WIRE 240 416 96 416
WIRE 272 416 240 416
WIRE 960 416 960 288
WIRE 960 416 912 416
WIRE 1040 416 960 416
WIRE 1456 416 1456 288
WIRE 1456 416 1408 416
WIRE 1536 416 1456 416
WIRE 1952 416 1952 288
WIRE 1952 416 1904 416
WIRE 2016 416 1952 416
WIRE 96 432 96 416
WIRE 384 432 384 304
WIRE 384 432 336 432
WIRE 416 432 384 432
WIRE 560 432 528 432
WIRE 656 432 656 288
WIRE 656 432 624 432
WIRE 688 432 656 432
WIRE 800 432 752 432
WIRE 848 432 800 432
WIRE 1040 432 1040 416
WIRE 1056 432 1040 432
WIRE 1152 432 1152 288
WIRE 1152 432 1120 432
WIRE 1184 432 1152 432
WIRE 1296 432 1248 432
WIRE 1344 432 1296 432
WIRE 1536 432 1536 416
WIRE 1552 432 1536 432
WIRE 1648 432 1648 288
WIRE 1648 432 1632 432
WIRE 1664 432 1648 432
WIRE 1792 432 1744 432
WIRE 1840 432 1792 432
WIRE 272 448 224 448
WIRE 880 464 880 448
WIRE 1376 464 1376 448
WIRE 1872 464 1872 448
WIRE 0 480 0 416
WIRE 304 480 304 464
WIRE 800 480 800 432
WIRE 1296 480 1296 432
WIRE 1792 480 1792 432
WIRE 96 512 96 496
WIRE 0 576 0 560
WIRE 800 592 800 560
WIRE 1296 592 1296 560
WIRE 1792 592 1792 544
WIRE 688 704 656 704
WIRE 800 704 768 704
WIRE 960 704 800 704
WIRE 1184 704 1152 704
WIRE 1296 704 1264 704
WIRE 1456 704 1296 704
WIRE 1680 704 1648 704
WIRE 1792 704 1744 704
WIRE 1952 704 1792 704
WIRE 880 800 880 784
WIRE 1376 800 1376 784
WIRE 1872 800 1872 784
WIRE 800 816 800 704
WIRE 848 816 800 816
WIRE 1296 816 1296 704
WIRE 1344 816 1296 816
WIRE 1792 816 1792 704
WIRE 1840 816 1792 816
WIRE 960 832 960 704
WIRE 960 832 912 832
WIRE 1040 832 960 832
WIRE 1456 832 1456 704
WIRE 1456 832 1408 832
WIRE 1536 832 1456 832
WIRE 1952 832 1952 704
WIRE 1952 832 1904 832
WIRE 2016 832 1952 832
WIRE 560 848 528 848
WIRE 656 848 656 704
WIRE 656 848 624 848
WIRE 688 848 656 848
WIRE 800 848 752 848
WIRE 848 848 800 848
WIRE 1040 848 1040 832
WIRE 1056 848 1040 848
WIRE 1152 848 1152 704
WIRE 1152 848 1120 848
WIRE 1184 848 1152 848
WIRE 1296 848 1248 848
WIRE 1344 848 1296 848
WIRE 1536 848 1536 832
WIRE 1552 848 1536 848
WIRE 1648 848 1648 704
WIRE 1648 848 1632 848
WIRE 1664 848 1648 848
WIRE 1792 848 1744 848
WIRE 1840 848 1792 848
WIRE 880 880 880 864
WIRE 1376 880 1376 864
WIRE 1872 880 1872 864
WIRE 800 896 800 848
WIRE 1296 896 1296 848
WIRE 1792 896 1792 848
WIRE 800 1008 800 976
WIRE 1296 1008 1296 976
WIRE 1792 1008 1792 960
FLAG 0 576 0
FLAG 576 -144 V+
FLAG 560 -32 0
FLAG 576 80 V-
FLAG 800 592 0
FLAG 1296 592 0
FLAG 1792 592 0
FLAG 528 432 Vin
FLAG 2016 416 Vbp
FLAG 880 368 V+
FLAG 1376 368 V+
FLAG 1872 368 V+
FLAG 880 464 V-
FLAG 1376 464 V-
FLAG 1872 464 V-
FLAG 1760 16 V+
FLAG 720 -144 Vref
FLAG 720 -32 0
FLAG 1552 32 Vref
FLAG 1552 -48 Vap
FLAG 1952 -32 Vout
FLAG 1760 -80 0
FLAG 304 384 V+
FLAG 304 480 V-
FLAG 224 448 0
FLAG 416 432 Vin
FLAG 928 -64 Vbp
FLAG 1392 -32 Vap
FLAG 1232 -80 V+
FLAG 1232 16 V-
FLAG 1152 144 0
FLAG 96 512 0
FLAG 0 416 Vph
FLAG 800 1008 0
FLAG 1296 1008 0
FLAG 1792 1008 0
FLAG 528 848 Vin
FLAG 2016 832 Vbp_bessel
FLAG 880 784 V+
FLAG 1376 784 V+
FLAG 1872 784 V+
FLAG 880 880 V-
FLAG 1376 880 V-
FLAG 1872 880 V-
DATAFLAG 160 416 "round($*10k)/10k"
DATAFLAG 384 384 "round($*10k)/10k"
DATAFLAG 1008 416 "round($*10k)/10k"
DATAFLAG 1504 416 "round($*10k)/10k"
DATAFLAG 1984 416 "round($*10k)/10k"
DATAFLAG 1360 -32 "round($*10k)/10k"
DATAFLAG 1856 -32 "round($*10k)/10k"
DATAFLAG 960 -64 "round($*10k)/10k"
DATAFLAG 1616 32 "round($*10k)/10k"
DATAFLAG 1008 832 "round($*10k)/10k"
DATAFLAG 1504 832 "round($*10k)/10k"
DATAFLAG 1984 832 "round($*10k)/10k"
SYMBOL voltage 576 -144 R0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL voltage 576 -32 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL cap 624 416 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C11
SYMATTR Value 15n
SYMBOL cap 752 416 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C12
SYMATTR Value 15n
SYMBOL res 784 272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 15k
SYMBOL res 816 576 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R12
SYMATTR Value 30k
SYMBOL Opamps\\opamp2 880 352 R0
SYMATTR InstName U1
SYMATTR Value LM321LV
SYMBOL cap 1120 416 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C21
SYMATTR Value 15n
SYMBOL cap 1248 416 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C22
SYMATTR Value 15n
SYMBOL res 1280 272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R21
SYMATTR Value 15k
SYMBOL res 1312 576 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R22
SYMATTR Value 30k
SYMBOL Opamps\\opamp2 1376 352 R0
SYMATTR InstName U2
SYMATTR Value LM321LV
SYMBOL Opamps\\opamp2 1872 352 R0
SYMATTR InstName U3
SYMATTR Value LM321LV
SYMBOL cap 1744 272 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C31
SYMATTR Value 3n
SYMBOL cap 1808 544 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C32
SYMATTR Value 1.5n
SYMBOL res 1648 416 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R31
SYMATTR Value 7.5k
SYMBOL res 1760 416 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R32
SYMATTR Value 7.5k
SYMBOL Opamps\\opamp2 1760 32 M180
SYMATTR InstName U5
SYMATTR Value LM321LV
SYMBOL res 1664 -64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 120
SYMBOL res 1824 -160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 3.1k
SYMBOL voltage 720 -144 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 2.93
SYMBOL current 0 480 R0
WINDOW 123 24 108 Left 2
WINDOW 39 0 0 Left 0
SYMATTR Value2 AC 2u
SYMATTR InstName I1
SYMATTR Value PULSE(0 1u 3m 1n 1n .5m 1m)
SYMBOL Opamps\\opamp2 304 368 R0
SYMATTR InstName U6
SYMATTR Value OPA381
SYMBOL res 368 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1Meg
SYMBOL cap 336 192 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL Opamps\\opamp2 1232 -96 R0
SYMATTR InstName U4
SYMATTR Value LM321LV
SYMBOL res 1136 16 R0
SYMATTR InstName R4
SYMATTR Value 150k
SYMBOL cap 1104 -32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 30n
SYMBOL res 1120 -128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 150k
SYMBOL res 1296 -192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 150k
SYMBOL cap 80 432 R0
SYMATTR InstName Cph
SYMATTR Value 140p
SYMBOL cap 624 832 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 47n
SYMBOL cap 752 832 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 47n
SYMBOL res 784 688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value {9.29k*0.83}
SYMBOL res 816 992 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R8
SYMATTR Value {10.1k*0.83}
SYMBOL Opamps\\opamp2 880 768 R0
SYMATTR InstName U7
SYMATTR Value LM321LV
SYMBOL cap 1120 832 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 51n
SYMBOL cap 1248 832 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 51n
SYMBOL res 1280 688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value {6.22k*0.83}
SYMBOL res 1312 992 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R10
SYMATTR Value {16.1k*0.83}
SYMBOL Opamps\\opamp2 1376 768 R0
SYMATTR InstName U8
SYMATTR Value LM321LV
SYMBOL Opamps\\opamp2 1872 768 R0
SYMATTR InstName U9
SYMATTR Value LM321LV
SYMBOL cap 1744 688 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 3n
SYMBOL cap 1808 960 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C8
SYMATTR Value 1.5n
SYMBOL res 1648 832 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 7.5k
SYMBOL res 1760 832 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 7.5k
TEXT -16 -216 Left 2 ;.ac dec 100 10 100k
TEXT -16 -176 Left 2 !.tran 0 10m 0 2u
TEXT -16 -88 Left 2 !.include OPA381.LIB
TEXT -16 -48 Left 2 !.include LM321LV.cir
TEXT -16 -136 Left 2 ;.noise V(Vbp) I1 dec 100 1 100k
TEXT -16 -264 Left 2 !.options noopiter gminsteps=0 srcsteps=0
TEXT -16 32 Left 2 !.meas noise_ INTEG V(onoise)
TEXT -16 72 Left 2 ;View -> SPICE -> Error Log\n36,5uV
TEXT 552 1072 Left 2 ;R*0.83 wegen fg 500Hz -> 600Hz