LOGARITHMIC VOLTAGE RATIOS

LOGARITHMIC VOLTAGE RATIOS
BY: FRANK McCLATCHIE
dB		RATIO	dB		RATIO	dB		RATIO	dB		RATIO
6	=	1.995263
5	=	1.778279
4	=	1.584932
3	=	1.412538
2	=	1.258925
1	=	1.122019
0	=	1.000000	-20	=	0.10000	-40	=	0.01000	-60	=	0.00100
-1	=	0.891250	-21	=	0.08913	-41	=	0.00891	-61	=	0.00089
-2	=	0.794330	-22	=	0.07943	-42	=	0.00794	-62	=	0.00079
-3	=	0.707490	-23	=	0.07075	-43	=	0.00707	-63	=	0.00071
-4	=	0.630960	-24	=	0.06310	-44	=	0.00631	-64	=	0.00063
-5	=	0.562340	-25	=	0.05623	-45	=	0.00562	-65	=	0.00056
-6	=	0.501190	-26	=	0.05012	-46	=	0.00501	-66	=	0.00050
-7	=	0.446680	-27	=	0.04467	-47	=	0.00447	-67	=	0.00045
-8	=	0.398110	-28	=	0.03981	-48	=	0.00398	-68	=	0.00040
-9	=	0.354800	-29	=	0.03548	-49	=	0.00355	-69	=	0.00035
-10	=	0.316230	-30	=	0.03162	-50	=	0.00316	-70	=	0.00032
-11	=	0.281840	-31	=	0.02818	-51	=	0.00282	-71	=	0.00028
-12	=	0.251190	-32	=	0.02512	-52	=	0.00251	-72	=	0.00025
-13	=	0.223870	-33	=	0.02239	-53	=	0.00224	-73	=	0.00022
-14	=	0.199550	-34	=	0.01996	-54	=	0.00200	-74	=	0.00020
-15	=	0.177830	-35	=	0.01778	-55	=	0.00178	-75	=	0.00018
-16	=	0.158490	-36	=	0.01585	-56	=	0.00158	-76	=	0.00016
-17	=	0.141250	-37	=	0.01413	-57	=	0.00141	-77	=	0.00014
-18	=	0.125890	-38	=	0.01259	-58	=	0.00126	-78	=	0.00013
-19	=	0.112200	-39	=	0.01122	-59	=	0.00112	-79	=	0.00011
-20	=	0.100000	-40	=	0.01000	-60	=	0.00100	-80	=	0.00010
MULTIPLY OR DIVIDE THESE NUMBERS BY ANY FACTOR THAT ZERO dB IS SUPPOSED TO REPRESENT