CONFRONTO TRA DECIBEL E RAPPORTI NUMERICI V'/V= Rapporto delle tensioni su impedenze eguali
| dB |
V'/V |
|
dB |
V'/V |
|
dB |
V'/V |
|
dB |
V'/V |
| 0 |
1,00 |
|
25 |
17,8 |
|
50 |
316 |
|
75 |
5620 |
| 1 |
1,12 |
|
26 |
20 |
|
51 |
355 |
|
76 |
6310 |
| 2 |
1,26 |
|
27 |
22,4 |
|
52 |
400 |
|
77 |
7080 |
| 3 |
1,41 |
|
28 |
25,1 |
|
53 |
447 |
|
78 |
7940 |
| 4 |
1,59 |
|
29 |
28,2 |
|
54 |
501 |
|
79 |
8910 |
| 5 |
1,78 |
|
30 |
31,6 |
|
55 |
562 |
|
80 |
10000 |
| 6 |
2 |
|
31 |
35,5 |
|
56 |
631 |
|
81 |
11200 |
| 7 |
2,24 |
|
32 |
40 |
|
57 |
708 |
|
82 |
12600 |
| 8 |
2,51 |
|
33 |
44,7 |
|
58 |
794 |
|
83 |
14130 |
| 9 |
2,82 |
|
34 |
50,1 |
|
59 |
891 |
|
84 |
15850 |
| 10 |
3,16 |
|
35 |
56,2 |
|
60 |
1000 |
|
85 |
17800 |
| 11 |
3,55 |
|
36 |
63,1 |
|
61 |
1122 |
|
86 |
20000 |
| 12 |
3,98 |
|
37 |
70,8 |
|
62 |
1260 |
|
87 |
22400 |
| 13 |
4,47 |
|
38 |
79,4 |
|
63 |
1413 |
|
88 |
25100 |
| 14 |
5,01 |
|
39 |
89,1 |
|
64 |
1585 |
|
89 |
28200 |
| 15 |
5,62 |
|
40 |
100 |
|
65 |
1780 |
|
90 |
31600 |
| 16 |
6,31 |
|
41 |
112,2 |
|
66 |
2000 |
|
91 |
35500 |
| 17 |
7,08 |
|
42 |
126 |
|
67 |
2240 |
|
92 |
40000 |
| 18 |
7,94 |
|
43 |
141,3 |
|
68 |
2510 |
|
93 |
44700 |
| 19 |
8,91 |
|
44 |
158,5 |
|
69 |
2820 |
|
94 |
50100 |
| 20 |
10 |
|
45 |
178 |
|
70 |
3160 |
|
95 |
56200 |
| 21 |
11,2 |
|
46 |
200 |
|
71 |
3550 |
|
96 |
63100 |
| 22 |
12,6 |
|
47 |
224 |
|
72 |
4000 |
|
97 |
70800 |
| 23 |
14,1 |
|
48 |
251 |
|
73 |
4470 |
|
98 |
79400 |
| 24 |
15,9 |
|
49 |
282 |
|
74 |
5010 |
|
99 |
89100 |
|
|
CONFRONTO TRA dBmicroV E TENSIONE su carico di 75 ohm
| dBµ |
Tensione |
|
dBµ |
Tensione |
|
dBµ |
Tensione |
|
dBµ |
Tensione |
| 30 |
31,6µV |
|
55 |
562µV |
|
80 |
10mV |
|
105 |
178mV |
| 31 |
35,5µV |
|
56 |
631µV |
|
81 |
10,2mV |
|
106 |
200mV |
| 32 |
40µV |
|
57 |
708µV |
|
82 |
12,6mV |
|
107 |
224mV |
| 33 |
44,7µV |
|
58 |
794µV |
|
83 |
14,1mV |
|
108 |
251mV |
| 34 |
50,1µV |
|
59 |
891µV |
|
84 |
15,9mV |
|
109 |
282mV |
| 35 |
56,2µV |
|
60 |
1mV |
|
85 |
17,8mV |
|
110 |
316mV |
| 36 |
63,1µV |
|
61 |
1,12mV |
|
86 |
20mV |
|
111 |
355mV |
| 37 |
70.8µV |
|
62 |
1,6mV |
|
87 |
22,4mV |
|
112 |
400mV |
| 38 |
79,4µV |
|
63 |
1,41mV |
|
88 |
25,1mV |
|
113 |
447mV |
| 39 |
89,1µV |
|
64 |
1,59mV |
|
89 |
28,2mV |
|
114 |
501mV |
| 40 |
100µV |
|
65 |
1,78mV |
|
90 |
31,6mV |
|
115 |
562mV |
| 41 |
112µ |
|
66 |
2mV |
|
91 |
35,5mV |
|
116 |
631 |
| 42 |
126µV |
|
67 |
2,24mV |
|
92 |
40,0mv |
|
117 |
708mV |
| 43 |
141µV |
|
68 |
2,51mV |
|
93 |
44,7mV |
|
118 |
794mV |
| 44 |
159µV |
|
69 |
2,82mV |
|
94 |
50,1mV |
|
119 |
891mV |
| 45 |
178µV |
|
70 |
3,16mV |
|
95 |
56,2mV |
|
120 |
1,0V |
| 46 |
200µV |
|
71 |
3,55mV |
|
96 |
63,1mV |
|
121 |
1,12V |
| 47 |
224µV |
|
72 |
4mV |
|
97 |
70,8mV |
|
122 |
1,26V |
| 48 |
251µV |
|
73 |
4,47mV |
|
98 |
79,4mV |
|
123 |
1,41V |
| 49 |
282µV |
|
74 |
5,01mV |
|
99 |
89,1mV |
|
1124 |
1,59V |
| 50 |
316µV |
|
75 |
5,62mV |
|
100 |
100mV |
|
125 |
1,78V |
| 51 |
355µV |
|
76 |
6,31mV |
|
101 |
112mV |
|
126 |
2,00V |
| 52 |
400µV |
|
77 |
7,08mV |
|
102 |
126mV |
|
127 |
2,24V |
| 53 |
447µV |
|
78 |
7,94mV |
|
103 |
141mV |
|
128 |
2,51V |
| 54 |
501µV |
|
79 |
8,91mV |
|
104 |
159mV |
|
129 |
2,82V |
|