Rigol dsa815 spectrum analyzer bandwidth 100hz 1mhz rigol dsa815 this 100hz 1mhz spectrum analyser bandwidth from rigol has been designed with a unique widescreen display friendly interface and easy to use operations included are the following features br br distinguish the two nearby signals clearly with the 100hz rbw br compare the spectrums when change the rbw settings with different colour trace br zero span to demodulate the am signal br readout the spectrum peak values with the