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me7848a

VectorStar™ Opto-Electronic Network Analyzers

ME7848A
The VectorStar opto-electronic network analyzer (ONA) series provides specified, traceable measurements of O/E, E/O, and O/O devices operating at 850, 1310, and 1550 nm wavelengths at 40 and 70 GHz
overview

The VectorStar ME7848A opto-electronic network analyzer (ONA) provides a modular approach to optical measurements of O/E, E/O, and O/O devices operating at 850, 1310, and 1550 nm wavelengths. There are two configurations available: the VectorStar ME7848A-100 series includes the MN4765B O/E calibration module and the VectorStar ME7848A-200 series adds the MN4775A E/O converter.

The VectorStar ME7848A-200 series provides the ability to quickly switch between O/E, E/O, and O/O measurements with specified traceable measurements established by the MN4765B O/E calibration module.

The VectorStar ME7848A ONA can be easily modified to different wavelengths by adding the appropriate MN4775A E/O converter and MN4765B O/E calibration detector. The VectorStar ME7838A-100 series can be upgraded to a 200 series by including the appropriate MN4775A E/O converter.

Spectrum Analyzer Option

The spectrum analyzer option is the world’s first single sweep spectrum analyzer that covers frequency ranges from 70KHz to 220GHz using mm-wave modules. The Spectrum analyzer option is available on all baseband VectorStar models.

The Spectrum Analyzer option (Option 49) allows for convenient spectral domain measurements of quantities such as harmonics, spurs, distortion products, and general frequency content of a variety of devices. Common measurements include harmonics, tone-based distortion measurements, some spurious measurements, and spectral occupancy tests on devices that may include multiple outputs or input-output comparisons.

The noise figure option is based on a cold source technique for improved noise figure measurement accuracy. VectorStar is the only VNA platform capable of measuring noise figure from 70 kHz to 125 GHz and available with an optimized noise receiver for measurements from 30 GHz to 125 GHz. Additionally, VectorStar is the only VNA that offers a Differential Noise Figure option for characterizing the noise figure of differential devices.

For broadband applications, the ME7838 Series offers superior performance and coverage spanning a range from 70 kHz to 110 GHz, 125 GHz and 145 GHz in a single coaxial test port. The Anritsu developed Non-linear Transmission Line mmWave module is compact while providing high performance up to 145 GHz.

The Anritsu MS4640B Vector Network Analyzer offers a new level of performance for device modeling engineers struggling to accurately and reliably characterize their devices, for R&D engineers pushing the last fraction of a dB out of their state-of-the-art designs, and for the manufacturing engineer trying to maximize throughput without sacrificing accuracy. Backed by a 3-year warranty and the most responsive sales support team, the MS4640B is the VNA of choice for the discerning engineer.


Opto-Electronic Features

  • Fast and accurate opto-electronic measurements — The VectorStar ME7848A 200 series ONA enables error-corrected transfer function, group delay, and return loss measurements of E/O and O/E components and subsystems.
  • MN4765B O/E calibration module — The O/E calibration module is a thermally stabilized photodiode reference standard detector that can eliminate drift over temperature. Accurate bias voltage to the photodiode is maintained internally.
  • MN4775A E/O converter — The E/O converter includes a lithium niobate (LiNbO3) modulator stabilized by a fully automatic bias controller and a tunable or fixed wavelength laser source. Excellent converter stability ensures characteristics remain consistent during measurement of opto-electronic DUT detectors and receivers.
  • National Institute of Standards and Technology (NIST) derived characterization — Magnitude and phase characterization of the O/E calibration module is obtained using a primary standard characterized by NIST and held in the Anritsu Calibration Lab.
  • Internal VNA de-embedding for simplified calibration — The built-in application menus provide instructions that guide the user through the set-up and calibrations required for making E/O, O/O, and O/E measurements.
  • Excellent stability and repeatability — Use of full 12-term calibration with de-embedding results in stable and repeatable measurements of opto-electronic devices using the VectorStar VNA.
  • Modularity and upgradeability — The VectorStar ME7848A ONA can be easily modified to a different wavelength by adding the appropriate MN4775A E/O converter and MN4765B O/E calibration detector. The VectorStar ME7838A 100 series can be upgraded to a 200 series by including the appropriate MN4775A E/O converter.

Spectrum Analyzer Option

  • SPA available from 70KHz to 20/40/70/110/125/145 and 220GHz. Also available for banded configuration to 1.1THz.
  • Dual SPA mode available: suitable for Mixers/Amplifier/ Harmonics /Spurious testing.
  • SPA available on all ports. User can define which port to use as SPA port.
  • Several detection types available in classical mode: Peak, minimum, RMS, Mean.
  • Various math functions can be applied on SPA mode like Min hold/max hold/ user defined equations.
  • Sources and receivers can be independently configured. Can be used as Tracking Generator.
  • For units that have a dual source, a dual drive option is available. Support for external source control also possible.
  • Phase synchronization for units with Dual source available. This feature allows users to control and configure the phase between the two sources.
  • Source and receiver attenuator available with VNA can be activated in SPA mode. Recommendation to use option 62 (with attenuator on receiver side) for measuring the spectrum content of high-power devices.
  • Software option: easy to install and upgrade existing user equipment.

Other Features

  • Broadest frequency span from a single coaxial test port covering 70 kHz to 70 GHz in a single instrument and 70 kHz to 145 GHz in the Broadband configuration. Extendable to 1.1 THz
  • Universal Fixture Extraction (UFX) software option provides advanced de-embedding tools for test fixture extraction.
  • IMDView™ software coupled with the internal combiner option offers the ability to switch from S parameters to IMD measurements in a single connection
  • Highest performance pulse measurements— PulseView™ offers 2.5 ns pulse resolution with 100 dB dynamic range
  • 4-port single-ended or balanced measurements using DifferentialView™ analysis
  • Internal trace-based eye diagram option provides the ability to display Time Domain, S-Parameters, and Eye Diagram analysis with active sweep updates
  • Superior Dynamic Range - up to 142 dB
  • High available power - up to +14 dBm
  • Best test port characteristic performance - up to 50 dB in Directivity
  • Best time domain analysis
  • Fast and accurate optoelectronic measurements from 70 kHz to 40, 70 GHz and 110 GHz, at 850, 1060, 1310 and 1550 nm wavelengths, using MN4765B O/E Calibration module

me7848a

MN4775A Electro-Optical (E/O) Converter

  • Fast and accurate opto-electronic measurements – The VectorStar MS4640B VNA series, when calibrated using the MN4765B module, enables error-corrected transfer function, group delay, and return loss measurements of E/O and O/E components and subsystems
  • Combining the MN4775A E/O converter with the MN4765B modules enables calibrated measurements of O/E O/E devices
  • The MN4775A E/O converter may be used in conjunction with the VectorStar MS4640B VNA or the ShockLine MS4652xB VNA series.
  • The MN4775A includes a laser, an optical Mach-Zehnder intensity modulator, and a variable optical attenuator to control its output power.
  • Internal circuitry provides various power and modulation configurations, as well as stabilizes overall performance

Configuration Options

  • MN4775A-0040 40 GHz modulation bandwidth and internal 850 nm laser
  • MN4775A-0070 70 GHz modulation bandwidth and internal C-band laser set to 1550 nm
  • MN4775A-0071 70 GHz modulation bandwidth and internal 1310 nm fixed laser
  • MN4775A-0072 70 GHz modulation bandwidth and both fixed 1310 nm laser and C-band laser set to 1550 nm (optically switched)
Options

Spectrum Analyzer Options:

MS4642B-049 70 kHz to 20 GHz Spectrum Analyzer option
MS4644B-049 70 kHz to 40 GHz Spectrum Analyzer option
MS4647B-049 70 kHz to 70 GHz Spectrum Analyzer option
MS4640B-049 SPA options for all broadband and banded solutions

ME7848A VectorStar ONA Configurations:

Model Description
ME7848A-0140 VectorStar 10 MHz (70 kHz opt) to 40 GHz, with 850 nm O/E calibration module
ME7848A-0170 VectorStar 10 MHz (70 kHz opt) to 70 GHz, with 1550 nm O/E calibration module
ME7848A-0171 VectorStar 10 MHz (70 kHz opt) to 70 GHz, with 1310 nm O/E calibration module
ME7848A-0172 VectorStar 10 MHz (70 kHz opt) to 70 GHz, 1310/1550 nm system (VNA and O/E module only)
ME7848A-0240 VectorStar 10 MHz (70 kHz opt) to 40 GHz, with 850 nm O/E calibration module and E/O converter
ME7848A-0270 VectorStar 10 MHz (70 kHz opt) to 70 GHz, with 1550 nm O/E calibration module and E/O converter
ME7848A-0271 VectorStar 10 MHz (70 kHz opt) to 70 GHz, with 1310 nm O/E calibration module and E/O converter
ME7848A-0272 VectorStar 10 MHz (70 kHz opt) to 70 GHz, with 1310/1550 nm O/E module and E/O convertor

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