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Availabilty, warranty extensions, calibration plans, additional software options, education discounts etc.
- Savings of up to 90%
- Working Condition
- Calibrated or Tested
- 30-Day Right-of-Return
- No Customization
- Shipping to limited countries
Keysight N4391A
From USD*$31,778.00 Save 90% List Price 317,780.00 USD*
KeysightCare Assured: Support. Elevated.
Add complete customer care to your order and get:
• 4-business-hour technical response
• Committed repair coverage
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Cannot ship to:
European Union
Switzerland
Norway
Turkey
Unit only ships within China.
Unit ships worldwide.
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- Specified typical system noise floor 1.8% rms EVM
- 66 Gbaud symbol rate
- 264 Gbit/s for QPSK, 512 Gbit/s for QAM 16
- Analysis span 66 GHz
- Optical wavelength range 1528 nm to 1630 nm
- Absolute wavelength accuracy +/- 5 pm typical
- Factory specials up to 4x 63 GHz system bandwidth are now available. Ask your local Keysight representative for details
The N4391A is a high end turn-key optical modulation analyzer for advanced research in single and multi-carrier 400 Gbit/s and 1Tbit/s complex modulated transmission systems. It is based on the latest Z-Series Keysight oscilloscopes, a 40 GHz dual polarization coherent receiver and optical modulation vector signal analysis software offering most flexible analysis tools and smart setup for easiest instrument setup.
Benefits
- Highest confidence in test results through full calibrated turn-key solution
- Widest range of modulation format offering
- Based on world class Z-Series 4 channel Keysight oscilloscope
Features
- Fully integrated in Vector Signal Analysis software with smart setup
- Analysis software also available as PC stand-alone version
- User configurable APSK and OFDM demodulator
- Modulation-format transparent polarization alignment
- Clearly structured measurement resultsaward_logo
- Optical characterization results for each polarization plane separately
- Optical summary results for complete signal
- BER and Q factor separated for each polarization plane and overall signal
- Freely configurable screen layout
- Internal PMF switch to select internal or external local oscillator laser for best long term test results
- Free selection and sequence of DSP algorithms
- Various CD and PMD compensation and measurement algorithms
- Integration of user DSP algorithm with the same freedom as Keysight algorithms
110 | OPTICAL MODULATION ANALYZER WITH 4 CHANNEL RECEIVER AND ANALYSIS SOFTWARE |
220 | INTERNAL LOCAL OSCILLATOR AND EXTERNAL LOCAL OSCILLATOR INPUT AND LOCAL OSCILLATOR OUT |
510 | FAST TUNABLE C AND L BAND LOCAL OSCILLATOR |
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Get up to 10% discount on calibration plans ordered with your used Keysight instrument.
Contact us or request a custom quote to check availability.
To order additional accessories, please contact us or request a custom quote
FAQs
What are the differences between Keysight Used & Keysight Premium Used?
You will find more information about the differences of Keysight's used equipment standards here.
Can I configure a unit to meet my personal needs?
Customization is generally possible with our Keysight Premium Used equipment. The majority of our Keysight Premium Used equipment can be configured just the way you need it. Options can be added at additional cost.
Customizing Keysight Premium Used equipment might change the delivery and lead time of the item.
Some Keysight Used products cannot be customized. Use the contact option on the product page to check with the our eStore team.
What accessories are included?
Keysight Premium Used equipment typically comes with the same accessories and warranty as new products.
For Keysight Used products, the accessories included are mentioned in each listing on the Keysight Store on eBay or the Keysight Alibaba store.
Can you include other accessories?
We currently only offer those accessories which are part of the listing. Other accessories can be purchased separately at extra cost with your purchase of a Keysight Used or Keysight Premium Used unit.
Please mention in the comment field which additional accessories or support you are interested in.
For seperate or post-purchase ordering, please contact your local Keysight office or Keysight Partner.