Описание - N4391A
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![N4391A Best in Test Image](http://www.keysight.com/upload/cmc_upload/ck/3E/images/TMW_BITlogo_AwardWinner.jpg)
The Optical Modulation Analyzer offers comprehensive characterization of amplitude and phase modulated optical signals for 400 Gb/s to 1 Tb/s transmission systems and advanced research for terabit transmission.
The Optical Modulation Analyzer provides:
Benefits
- Highest confidence in test results through specified and easily verifiable system performance
- Most sophisticated preprocessing algorithms with highest flexibility through novel polarization alignment and Kalman filter based phase tracking technology
- Debug the most challenging errors with tools, proven by thousands of RF engineers
Features![award_logo](http://www.keysight.com/upload/cmc_upload/ck/3E/images/OMAawardlogo.png)
- Available as stand alone software package (starting July 1st) (NEW !)
- Generic APSK and PSK decoder (NEW !)
- Modification of calibration data for IQ hybrid test (NEW !)
- Color coded and digital persistence display tools (NEW!)
- User configurable ODFM decoder (NEW!)
- Easy to use SCPI based remote control (NEW!)
- Up to 20 free configurable displays (NEW!)
- CD, PMD measurement and compensation
- Integration of your Matlab compiler in data processing flow
- Light version fully supporting 100G @ 32Gbaud
- Support of triggered loop measurements
- User selectable loop gain of phase and polarization tracking
- Polarization alignment algorithm independent of modulation format
- Optical constellation diagram
- Optical spectrum analysis
- Error vector magnitude analysis tools
- Real counting BER
- Choice of more than 30 modulation formats
![Default screen with smart set up dialog](http://www.keysight.com/upload/cmc_upload/ck/3E/images/DefaultScreen.png)
- Up to 33 GHz true analog bandwidth
- Up to 60 Gbaud symbol rate
- Up to 240 Gbit/s analysis capability for DP-(D)QPSK
- Analysis span up to 62.5 GHz
- Optical analysis wavelength range 1528 nm to 1630 nm
- Specified typical system noise floor 1.8% rms EVM