This is the second episode in a series of videos on Bit Error Ratio (BER) testing. It explains how noise in simple () as well as more complex () telecom systems can lead to bit errors.
0:00 Opening
0:44 Recap of sources of transmission errors
2:39 Use of Wolfram’s Mathematic to draw noise plots
5:50 Analysis of noise in 2-ASK
8:36 Analysis of noise in 16-PSK
12:15 Analysis of noise in 16-QAM
15:45 Introduction of the planned episodes