Yankees versus Red Sox or Real Madrid versus Barcelona or NRZ versus PAM4

Even though I would love to write about all those different rivalries, the focus of the post today will be on NRZ versus PAM4. We will talk about them in a minute, but in order to talk about it, first we have to define what a digital sequence is. Suppose you want to talk to someone over your phone. In the digital era, you don’t send your voice as it is, but a quantified version of it. Please take a look on the picture below: As you can see, your original voice is converted to a signal with different levels…

By: Davi Correia READ MORE