FM Stereo is an upgrade of FM broadcasting with the left (L) and right (R) channels are encoded into sum (L+R) and difference (L-R) signals. A stereo receiver will add the difference signal to the sum signal to recover the left channel and subtract the difference signal to recover the right channel. A 19 kHz pilot tone, at exactly half the 38 kHz sub-carrier frequency and with a precise phase relationship to it, is also generated and transmitted at 8-10% of overall modulation level. RDS (Radio Data System) is a communication protocol standard for embedding small amounts of digital information in conventional FM radio signals. The RDS system defined several types of information transmitted, including time, station identification and program information etc. N7611B-QFP advanced FM Stereo/RDS option simplified the creation of FM Stereo with RDS modulated signal which are fully validated and optimized for RF performance. Easily generate FM Stereo ideal signal or signal with frequency error, clock error, AWGN, I/Q impairments, multi-paths or multi-carriers to test the transmitter component, receiver performance test, receiver chipset design, receiver module integration or receiver manufacturing. Create FM Stereo signals with tones with settable frequencies and V-RMS or user *.WAV file as payload with seamless playback for subjective test.
This option can be added as a product upgrade.