The Keysight N4391B is the newest generation optical modulation analyzer (OMA) based on the UXR-Series Infiniium oscilloscopes. It is a compact 4-channel real-time oscilloscope-based OMA solution which combines industry-leading noise performance and bandwidth with Keysight’s reliable and flexible vector signal analysis (VSA) software.
The UXR-Series oscilloscopes set a new standard for real-time oscilloscope accuracy. Extreme signal integrity, 10-bits of vertical resolution and ultra-low noise floor specifications allow for the truest representation of signals. The UXR-Series provides a platform with upgradability from two to four channels and across all bandwidths from 13 to 110 GHz.

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