Analog audio broadcasts can be transmitted either as amplitude modulated (AM) or frequency modulated (FM) signals. In addition to the purely analog, audio-only signal, newer technologies such as the Radio Data System (RDS) and the Data Radio Channel (DARC). This video explains how to use a Rohde & Schwarz SMCV100B vector signal generator to create those test signals
 
                      
                    R&S®SMCV100B vector signal generator
                    
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