Keysight Technologies Inc. Optical Modulation Analyzer
The Keysight N4391C Optical Modulation Analyzer is a high-performance instrument designed for advanced coherent optical communications research and development. It provides comprehensive analysis of complex modulated optical signals, supporting modulation formats such as QPSK and QAM up to 64 GBaud. The N4391C features real-time signal acquisition, advanced DSP algorithms, and a user-friendly interface for in-depth signal characterization. It enables precise measurement of key parameters including EVM, phase, amplitude, and constellation diagrams, making it ideal for testing next-generation optical transceivers and components. The analyzer integrates seamlessly with Keysight's Infiniium UXR-Series oscilloscopes for high-bandwidth signal capture.