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What are Decibels and why are 3dB and dBm important?
Explains why Decibels are used, and also why the 3dB value is so important. It also explains what dBm is. For a full list of Videos and Summary Sheets, goto: http://www.iaincollings.com ... and sorry everyone. There's a "typo" in this video. I should have used "power" everywhere, not "voltage". Decibels are defined to be 10log_10 of a ratio of ...
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