5
Amplitude Demodulation
This is lab 5 of 20 in the course
by Emona Tims
In this lab, students investigate two methods to recover an amplitude modulation (AM) signal in order to develop an understanding of the demodulation process in the time and frequency domain. First, students will generate an AM signal using data from a file, and then they will use the envelope detector method to recover the original message by connecting the AM signal to a rectifier and the low-pass filter module on the Emona Communication board. Next students will use the product detection method, which requires some understanding of mathematics to recover the original signal.