LOGARITHMIC VOLTAGE RATIOS
| LOGARITHMIC VOLTAGE RATIOS |
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| BY: FRANK McCLATCHIE |
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| dB |
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RATIO |
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dB |
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RATIO |
|
dB |
|
RATIO |
|
dB |
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RATIO |
| 6 |
= |
1.995263 |
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| 5 |
= |
1.778279 |
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| 4 |
= |
1.584932 |
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| 3 |
= |
1.412538 |
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| 2 |
= |
1.258925 |
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| 1 |
= |
1.122019 |
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| 0 |
= |
1.000000 |
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-20 |
= |
0.10000 |
|
-40 |
= |
0.01000 |
|
-60 |
= |
0.00100 |
| -1 |
= |
0.891250 |
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-21 |
= |
0.08913 |
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-41 |
= |
0.00891 |
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-61 |
= |
0.00089 |
| -2 |
= |
0.794330 |
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-22 |
= |
0.07943 |
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-42 |
= |
0.00794 |
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-62 |
= |
0.00079 |
| -3 |
= |
0.707490 |
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-23 |
= |
0.07075 |
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-43 |
= |
0.00707 |
|
-63 |
= |
0.00071 |
| -4 |
= |
0.630960 |
|
-24 |
= |
0.06310 |
|
-44 |
= |
0.00631 |
|
-64 |
= |
0.00063 |
| -5 |
= |
0.562340 |
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-25 |
= |
0.05623 |
|
-45 |
= |
0.00562 |
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-65 |
= |
0.00056 |
| -6 |
= |
0.501190 |
|
-26 |
= |
0.05012 |
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-46 |
= |
0.00501 |
|
-66 |
= |
0.00050 |
| -7 |
= |
0.446680 |
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-27 |
= |
0.04467 |
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-47 |
= |
0.00447 |
|
-67 |
= |
0.00045 |
| -8 |
= |
0.398110 |
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-28 |
= |
0.03981 |
|
-48 |
= |
0.00398 |
|
-68 |
= |
0.00040 |
| -9 |
= |
0.354800 |
|
-29 |
= |
0.03548 |
|
-49 |
= |
0.00355 |
|
-69 |
= |
0.00035 |
| -10 |
= |
0.316230 |
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-30 |
= |
0.03162 |
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-50 |
= |
0.00316 |
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-70 |
= |
0.00032 |
| -11 |
= |
0.281840 |
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-31 |
= |
0.02818 |
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-51 |
= |
0.00282 |
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-71 |
= |
0.00028 |
| -12 |
= |
0.251190 |
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-32 |
= |
0.02512 |
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-52 |
= |
0.00251 |
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-72 |
= |
0.00025 |
| -13 |
= |
0.223870 |
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-33 |
= |
0.02239 |
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-53 |
= |
0.00224 |
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-73 |
= |
0.00022 |
| -14 |
= |
0.199550 |
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-34 |
= |
0.01996 |
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-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 |
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