blob: 3db661a59943d7d7a2db4d423c82b3ef0aed44d7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
<Qucs Schematic 0.0.19>
<Properties>
<View=-103,-129,1368,751,1.1,0,60>
<Grid=10,10,1>
<DataSet=af_5vpp_to_adc.dat>
<DataDisplay=af_5vpp_to_adc.dpl>
<OpenDisplay=1>
<Script=af_5vpp_to_adc.m>
<RunScript=0>
<showFrame=0>
<FrameText0=Title>
<FrameText1=Drawn By:>
<FrameText2=Date:>
<FrameText3=Revision:>
</Properties>
<Symbol>
</Symbol>
<Components>
<GND * 1 30 190 0 0 0 0>
<VProbe IN 1 20 170 28 -31 0 0>
<Vac Vsrc 1 10 300 18 -26 0 1 "2.5 V" 1 "1750 Hz" 0 "0" 0 "0" 0>
<R R6 1 180 240 -26 -65 0 2 "4.7 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<GND * 1 270 160 0 0 0 0>
<Lib D1 1 270 130 -42 -1 0 3 "Z-Diodes" 0 "1N749" 0>
<R R10 1 270 60 -138 -26 0 3 "2.2 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R5 1 290 320 -26 -65 0 2 "4.7 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<Lib OP1 1 370 220 25 20 0 0 "OpAmps" 0 "uA741" 0>
<C C1 1 100 240 -26 -67 0 2 "1 uF" 1 "" 0 "neutral" 0>
<.DC DC1 1 750 470 0 44 0 0 "26.85" 0 "0.001" 0 "1 pA" 0 "1 uV" 0 "no" 0 "3000" 0 "no" 0 "none" 0 "CroutLU" 0>
<.TR TR1 1 470 530 0 73 0 0 "lin" 1 "0" 1 "0.002 s" 1 "101" 0 "Trapezoidal" 0 "2" 0 "1 ns" 0 "1e-16" 0 "3000" 0 "0.001" 0 "1 pA" 0 "1 uV" 0 "26.85" 0 "1e-3" 0 "1e-6" 0 "1" 0 "CroutLU" 0 "no" 0 "yes" 0 "0" 0>
<.AC AC1 1 750 560 0 44 0 0 "lin" 1 "400 Hz" 1 "15 kHz" 1 "59" 1 "no" 0>
<GND * 1 640 400 0 0 0 0>
<Lib OP2 1 660 240 25 20 0 0 "OpAmps" 0 "uA741" 0>
<Vdc V2 1 1240 80 18 -26 0 1 "12 V" 1>
<R R12 1 1150 320 -128 -26 0 3 "800 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<VProbe OUT 1 1180 150 28 -31 0 0>
<R R11 1 1120 240 -26 -65 0 2 "1.2 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<Lib OP3 1 930 260 25 20 0 0 "OpAmps" 0 "uA741" 0>
<R R13 1 840 240 -26 15 0 0 "15 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R14 1 780 240 -26 -65 0 2 "15 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R7 1 510 220 -26 -65 0 2 "15 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R8 1 570 220 -26 15 0 0 "15 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<C C2 1 620 140 -26 17 0 0 "1.5 nF" 1 "" 0 "neutral" 0>
<C C3 1 600 340 17 -26 0 1 "1.5 nF" 1 "" 0 "neutral" 0>
<C C4 1 880 160 -26 17 0 0 "1.5 nF" 1 "" 0 "neutral" 0>
<C C5 1 870 360 17 -26 0 1 "1.5 nF" 1 "" 0 "neutral" 0>
</Components>
<Wires>
<10 190 10 240 "" 0 0 0 "">
<10 240 10 270 "" 0 0 0 "">
<10 330 10 390 "" 0 0 0 "">
<10 390 380 390 "" 0 0 0 "">
<10 240 70 240 "" 0 0 0 "">
<130 240 150 240 "" 0 0 0 "">
<210 240 240 240 "" 0 0 0 "">
<270 20 270 30 "" 0 0 0 "">
<270 20 380 20 "" 0 0 0 "">
<270 90 270 100 "" 0 0 0 "">
<220 100 270 100 "" 0 0 0 "">
<240 240 240 320 "" 0 0 0 "">
<240 320 260 320 "" 0 0 0 "">
<220 100 220 200 "" 0 0 0 "">
<220 200 330 200 "" 0 0 0 "">
<430 220 450 220 "" 0 0 0 "">
<240 240 330 240 "" 0 0 0 "">
<380 260 380 390 "" 0 0 0 "">
<380 20 380 180 "" 0 0 0 "">
<320 320 450 320 "" 0 0 0 "">
<450 220 450 320 "" 0 0 0 "">
<380 390 600 390 "" 0 0 0 "">
<640 390 640 400 "" 0 0 0 "">
<380 20 670 20 "" 0 0 0 "">
<640 390 670 390 "" 0 0 0 "">
<450 220 480 220 "" 0 0 0 "">
<600 220 600 310 "" 0 0 0 "">
<600 390 640 390 "" 0 0 0 "">
<600 370 600 390 "" 0 0 0 "">
<600 220 620 220 "" 0 0 0 "">
<670 20 670 200 "" 0 0 0 "">
<670 280 670 390 "" 0 0 0 "">
<620 260 620 300 "" 0 0 0 "">
<620 300 720 300 "" 0 0 0 "">
<720 240 720 300 "" 0 0 0 "">
<670 390 870 390 "" 0 0 0 "">
<670 20 940 20 "" 0 0 0 "">
<1240 110 1240 390 "" 0 0 0 "">
<1240 20 1240 50 "" 0 0 0 "">
<1150 240 1150 290 "" 0 0 0 "">
<1150 350 1150 390 "" 0 0 0 "">
<1150 390 1190 390 "" 0 0 0 "">
<1190 390 1240 390 "" 0 0 0 "">
<1190 170 1190 390 "" 0 0 0 "">
<1150 240 1170 240 "" 0 0 0 "">
<1170 170 1170 240 "" 0 0 0 "">
<870 240 870 330 "" 0 0 0 "">
<870 240 890 240 "" 0 0 0 "">
<890 280 890 320 "" 0 0 0 "">
<890 320 990 320 "" 0 0 0 "">
<990 260 990 320 "" 0 0 0 "">
<720 240 750 240 "" 0 0 0 "">
<990 240 990 260 "" 0 0 0 "">
<990 240 1090 240 "" 0 0 0 "">
<940 20 1240 20 "" 0 0 0 "">
<940 20 940 220 "" 0 0 0 "">
<940 390 1150 390 "" 0 0 0 "">
<940 300 940 390 "" 0 0 0 "">
<990 160 990 240 "" 0 0 0 "">
<910 160 990 160 "" 0 0 0 "">
<810 160 850 160 "" 0 0 0 "">
<810 160 810 240 "" 0 0 0 "">
<720 140 720 240 "" 0 0 0 "">
<650 140 720 140 "" 0 0 0 "">
<540 140 590 140 "" 0 0 0 "">
<540 140 540 220 "" 0 0 0 "">
<870 390 940 390 "" 0 0 0 "">
</Wires>
<Diagrams>
</Diagrams>
<Paintings>
<Text -30 510 16 #000000 0 "This is a simulation for the audio\nfrequency input to the STM32 ADC.\nIt receives a 5Vpp signal, must be\nAC coupled, and the ADC wants a\n0 to 3V signal.">
<Text 140 120 12 #000000 0 "1N749A\n(4.3V)">
<Text 500 -50 12 #000000 0 "LM324">
</Paintings>
|
