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What is the relation between dB and change of signal?
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Answer / rana ahsan
+3 dB is 2 times bigger, +10 dB is 10 times bigger.
| Is This Answer Correct ? | 16 Yes | 7 No |
Answer / asd
i think this is not the correct explation given by rana ahsan
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / anuj
Xdbm=X dbw + 30
square dbm and add 3 to dbw
-30dbm=0dbw,
| Is This Answer Correct ? | 2 Yes | 2 No |
Answer / vikas
Basically db is a term used to compare two quantities. when we say for ex. 3db gain or loss ,it means the signal now has a value equal to twice of previous value in case of gain and half of previous value. in contrast to this dbm is used to represent absolute value for ex. 0 dbm equals 1 mW.
| Is This Answer Correct ? | 3 Yes | 3 No |
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