Varying the voltage of a carrier or a direct current in order to transmit analog or digital data. Amplitude modulation (AM) is the oldest method of transmitting human voice electronically. In an ...

The project aims to create an interesting double-sideband (DSB) radiotelephone transmitter that is powered by the operator’s voice due to the instantaneous energy produced. The project aims to create ...

TURGI, Switzerland — Operating costs are the focus of every broadcaster today. Optimizing these costs while minimizing impact on public service and AM broadcast signal quality is, for many ...