Main characteristics and technical indicators
4x 33 GHz system bandwidth, 4 x 40 GHz optical receiver bandwidth
1.8% rms EVM specifies 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 wavelength range
+/- 5 pm (typical) absolute wavelength accuracy
System bandwidths up to 4x 63 GHz are now available. For details, please contact Keysight
description
N4391A Best in Test Image
The N4391A is a complete high-end optical modulation analyzer for cutting-edge scientific applications in single- or multi-carrier 400 Gbit/s and 1Tbit/s complex modulation transmission systems. Based on the latest Z-Series Keysight oscilloscopes, 40 GHz dual-polarization coherent receivers, and optical modulation vector signal analysis software, it offers flexible analysis tools and intelligent settings to help you easily set up your instrument.
Advantage
A complete solution with comprehensive calibration, allowing you to perform tests without any disadvantages
Provide a wider range of modulation formats
Designed based on the superior quality Z-Series 4-channel oscilloscope
