放大倍数与增益dB换算表 -


放大倍数	增益（电压）	增益（功率）
*倍	*dB
1	0.0	0.0
2	6.0	3.0
3	9.5	4.8
4	12.0	6.0
5	14.0	7.0
6	15.6	7.8
7	16.9	8.5
8	18.1	9.0
9	19.1	9.5
10	20.0	10.0
11	20.8	10.4
12	21.6	10.8
13	22.3	11.1
14	22.9	11.5
15	23.5	11.8
16	24.1	12.0
17	24.6	12.3
18	25.1	12.6
19	25.6	12.8
20	26.0	13.0
21	26.4	13.2
22	26.8	13.4
23	27.2	13.6
24	27.6	13.8
25	28.0	14.0
26	28.3	14.1
27	28.6	14.3
28	28.9	14.5
29	29.2	14.6
30	29.5	14.8
31	29.8	14.9
32	30.1	15.1
33	30.4	15.2
34	30.6	15.3
35	30.9	15.4
36	31.1	15.6
37	31.4	15.7
38	31.6	15.8
39	31.8	15.9
40	32.0	16.0
放大倍数	增益（电压、电流）	增益（功率）
*倍	*dB
41	32.3	16.1
42	32.5	16.2
43	32.7	16.3
44	32.9	16.4
45	33.1	16.5
46	33.3	16.6
47	33.4	16.7
48	33.6	16.8
49	33.8	16.9
50	34.0	17.0
51	34.2	17.1
52	34.3	17.2
53	34.5	17.2
54	34.6	17.3
55	34.8	17.4
56	35.0	17.5
57	35.1	17.6
58	35.3	17.6
59	35.4	17.7
60	35.6	17.8
61	35.7	17.9
62	35.8	17.9
63	36.0	18.0
64	36.1	18.1
65	36.3	18.1
66	36.4	18.2
67	36.5	18.3
68	36.7	18.3
69	36.8	18.4
70	36.9	18.5
71	37.0	18.5
72	37.1	18.6
73	37.3	18.6
74	37.4	18.7
75	37.5	18.8
76	37.6	18.8
77	37.7	18.9
78	37.8	18.9
79	38.0	19.0
80	38.1	19.0
81	38.2	19.1
放大倍数	增益（电压、电流）	增益（功率）
*倍	*dB
82	38.3	19.1
83	38.4	19.2
84	38.5	19.2
85	38.6	19.3
86	38.7	19.3
87	38.8	19.4
88	38.9	19.4
89	39.0	19.5
90	39.1	19.5
91	39.2	19.6
92	39.3	19.6
93	39.4	19.7
94	39.5	19.7
95	39.6	19.8
96	39.6	19.8
97	39.7	19.9
98	39.8	19.9
99	39.9	20.0
100	40.0	20.0
200	46.0	23.0
300	49.5	24.8
400	52.0	26.0
500	54.0	27.0
600	55.6	27.8
700	56.9	28.5
800	58.1	29.0
900	59.1	29.5
1000	60.0	30.0
2000	66.0	33.0
3000	69.5	34.8
4000	72.0	36.0
5000	74.0	37.0
6000	75.6	37.8
7000	76.9	38.5
8000	78.1	39.0
9000	79.1	39.5
10000	80.0	40.0
100000	100.0	50.0