N4391A Keysight Optical Modulation Analyzer

• 4x 33 GHz system bandwidth, 4 x 40 GHz optical receiver bandwidth

• 1.8% rms EVM specified typical system noise floor

• 66 Gbaud symbol rate

• QPSK: 264 Gbit/s; QAM 16: 512 Gbit/s

• 66 GHz analysis bandwidth

• 1528 nm to 1630 nm optical wavelength range

• +/- 5 pm (typical) absolute wavelength accuracy

• Now available in system bandwidths up to 4x63 GHz. For more information, please contact Yestech

The N4391A is a complete high-end optical modulation analyzer for cutting-edge research applications in single- or multi-carrier 400 Gbit/s and 1Tbit/s complex modulation transmission systems. Based on the latest Z-Series Yestech oscilloscopes, 40 GHz dual-polarization coherent receivers, and optical modulation vector signal analysis software, it offers very flexible analysis tools and intelligent setup to help you easily complete your instrument setup.

Benefits

• Fully calibrated, complete solution that allows you to perform tests without compromise

• Offers a wider range of modulation formats

• Designed based on the superior quality of the Z-Series Z oscilloscopes from Yestech

Features

• Fully integrated with vector signal analysis software for intelligent setup

• Analysis software is also available as a stand-alone version

• User-configurable APSK and OFDM demodulators

• Modulation-independent polarization calibration

• Clearly structured measurement results

• Individual optical characterization results for each polarization plane

• Optical summary of the complete signal

• Bit error rate and Q-factor for each polarization plane and for the overall signal

• Flexible and configurable screen layout

• Internal PMF switch allows selection of internal or external local oscillator laser source for optimal long-term test results

• Flexible selection and sequencing of DSP algorithms

• Various CD and PMD compensation and measurement algorithms

• Flexibility to integrate user DSP algorithms as well as Ritech algorithms