Product Description:
The N4391A is a complete, high-end optical modulation analyzer for cutting-edge research applications in single-carrier or multi-carrier 400 Gbit/s and 1Tbit/s composite modulation transmission systems. It is based on the latest Z-series Keysight oscilloscope, 40 GHz dual polarization coherent receiver and light modulated vector signal analysis software, and provides very flexible analysis tools and intelligent Settings to help you easily complete instrument setup.
Features:
4x 33 GHz system bandwidth, 4x 40 GHz optical receiver bandwidth
1.8% rms EVM Specifies typical system background noise
66 Gbaud symbol rate
QPSK: 264 Gbit/s; QAM 16:51 Gbit/s
66 GHz analytical bandwidth
1528 nm to 1630 nm optical wavelength range
+/- 5 pm (typical value) Absolute wavelength accuracy
System bandwidth up to 4x 63 GHz is now available. Please contact Keysight for details