Additional Features: Dual-electrical measurement channels Characteristic RMS noise: 0.46 mV (26.5 GHz BW), 0.75 mV (50 GHz BW) Maximum input signal: ± 2 VDC 50 GHz and 26.5 GHz selectable bandwidth 2.5/12.5 GHz trigger port (set by mainframe) Compatibility 83480A Digital Communications Analyzer Mainframe 86100A/B Infiniium DCA Mainframes 86100C Infiniium DCA-J Mainframe 86100D Infiniium DCA-X Mainframe For optimum noise performance when measuring small signals with the Agilent 83484A the 26.5 GHz setting is used. For highest accuracy and fidelity when measuring very high-speed signals, the 50 GHz bandwidth setting is used.