Tuesday, December 14, 2010 9:37:00 AM
Everyone has heard at least. Many knows that a bad VSWR affects the performance of the Network. But what about you: do you know what it means, and why we need to know how to use these measures?
Today we'll try to see a very simple way what is VSWR.
To understand what is VSWR, we need to talk a little bit about signal propagation in radio frequency systems.
Simply put, the radio frequency signals are driven by electric cables between transmitters /... read more
Friday, December 03, 2010 9:33:00 AM
Everyone who works with Telecom knows there is a relationship between Watts and dBm. But if the Power is expressed in Watts, why we must know - and use - this relationship in our day-to-day??
Let's try to understand today in a simple manner, and discover why the use of decibels help us much.
Watt (W) and miliWatt (mW)
First of all, to understand what it means for example 0 dBm, we at least have to know the basic unit of power, the Watt. By definition, 1 Watt means ... read more