I really loved the way Dr. Makinwa presented the topic. It was very simple and to the point. Never thought my search for the answers would be so quickly solved by his lecture. Please give Dr. Makinwa my regards.
this is a very simple yet very insightfull explanation , thank you. so you basically up-convert the input signal to a chopping (carrier) frequency but not the offset, then buy de-modulating the output and filtering you get rid of the offset ... amazing