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dB

Intro to RF and dB math

Slideshow presented at AfNOG 2009 in Cairo, Egypt.

It is a very quick introduction to the physical basis of telecommunications, many concepts are briefly introduced, like i.e.: e.m. waves (amplitude, frequency, ...), RF signals (power, modulation, ...), power measurement, spectrum analysis, dB (math, examples, Alexander Bell).

Document details
Author: 
Carlo Fonda, Marco Zennaro
Language: 
English
Publication date: 
19 Sep 2009
Time: 
30 minutes
Available materials: 
Slides

dB math and Link Budget Calculation

This presentation is on dB math (why do we use dBs?, examples of calculations with dBs, etc) and on Link Budget Calculation (how far can a wireless link go?, what gain should my antenna have, etc).

Document details
Author: 
Marco Zennaro, Carlo Fonda
Language: 
English
Publication date: 
15 Oct 2008
Time: 
1 hour
Available materials: 
Slides
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