What is a dB? RF and Cable Basics :: Brady Volpe and Ron Hranac discuss RF and cable basics in a new series designed to help those who are interested in understanding RF and Cable TV technology a little better.
In this first episode we cover what is a decibel (dB). This is a fundamental unit of measure that every person working in the cable industry should understand. To learn more, watch this episode.
0:00 Intro
4:30 The Decibel Primer Beginning
5:13 What is a Logarithm
9:15 Question on Signals and Velocity of Propogation
12:30 The Decibel
18:16 The Decibel Expresses Power in Terms of Voltage
21:50 The Correct Usage of Decibel
26:45 Log Base 10 vs Log Base 2
29:57 Wrap Up
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