Keysight: N4391B Optical Modulation Analyser

Keysight Technologies’ N4391B optical modulation analyser (OMA)  is the most compact OMA solution of its class and combines industry-leading noise performance with a proven architecture and Keysight’s well-known, reliable and flexible vector signal analysis (VSA) software.

It has an absolute wavelength accuracy +/- 2.5 pm and ADC resolution 10 bits for all bandwidth grades. The specified typical system noise floor is less than 1.6% EVM rms at reference conditions.

The relative skew is less than ± 0.5 ps, with an optical operating wavelength range 1528 nm to 1620 nm. It has an average input power monitor accuracy ± 0.5 dB.

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