Agilent N4391A Optical Modulation Analyzer

Key Features & Specifications

• 4x 33 GHz system bandwidth, 4 x 40 GHz optical receiver bandwidth
• Specified typical system noise floor 1.8% rms EVM
• 66 Gbaud symbol rate
• 264 Gbit/s for QPSK, 512 Gbit/s for QAM 16
• Analysis span 66 GHz
• Optical wavelength range 1528 nm to 1630 nm
• Absolute wavelength accuracy +/- 5 pm typical

• Factory specials up to 4x 63 GHz system bandwidth are now available. Ask your local Keysight representative for details

Description

Benefits

• Highest confidence in test results through full calibrated turn-key solution
• Widest range of modulation format offering
• Based on world class Z-Series 4 channel Keysight oscilloscope

Features

• Fully integrated in Vector Signal Analysis software with smart setup
• Analysis software also available as PC stand-alone version
• User configurable APSK and OFDM demodulator
• Modulation-format transparent polarization alignment
• Clearly structured measurement results
• Optical characterization results for each polarization plane separately
• Optical summary results for complete signal
• BER and Q factor separated for each polarization plane and overall signal
• Freely configurable screen layout
• Internal PMF switch to select internal or external local oscillator laser for best long term test results
• Free selection and sequence of DSP algorithms
• Various CD and PMD compensation and measurement algorithms
• Integration of user DSP algorithm with the same freedom as Keysight algorithms

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