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Agilent N4392A Optical Modulation Analyzer

Agilent N4392A Optical Modulation Analyzer
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Agilent N4392A Optical Modulation Analyzer - 1

Optical Modulation Analyzer • Compact Portable, Affordable Data Sheet Your personal test tool for complex modulated optical signals

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Agilent N4392A Optical Modulation Analyzer - 2

Need a compact Optical Modulation Analyzer? Compact Integration of a digitizer, optics and analysis PC leads to a compact turn-key instrument. It also avoids any external cabling, making the instrument robust and easy to set up wherever needed. Despite the smaller size, the new N4392A offers a big laptop-size screen, giving you more insight in your signal for understanding and debugging your signals even faster. Portable The integration in a compact mid-size oscilloscope housing results in a lightweight instrument, which can be easily moved to any location in a lab or on the manufacturing...

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Agilent N4392A Optical Modulation Analyzer - 3

4. LO input In experiments where an extremely stable local oscillator with linewidth in the low kHz range is required, this input can be used as local oscillator (LO) input for external lasers. (Option 320) 1. Vector signal analysis Like the N4391A, the N4392A is based on the Agilent 89601B vector signal analysis software which is extended for optical requirements. One software platform ensures exchangeability of setting files and measurement results between R&D and manufacturing. This also makes results comparable and exchangeable. 5. LO output Get part of the local oscillator signal to...

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Agilent N4392A Optical Modulation Analyzer - 4

N4392A Transmitter and Modulator Test Transmitter signal integrity characterization • Transmitter signal performance verification • Verify optimal alignment biasing circuits and skews • Transmitter vendor qualification • Final pass fail test in manufacturing • Evaluation of transmitter components for best signal fidelity Transmitter laser Beam splitter X-plane modulator Y-plane modulator Polarization combiner Signal input Homodyne component characterization • Component evaluation independent of carrier laser phase noise • Modulator in system qualification • Modulator in-application...

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Agilent N4392A Optical Modulation Analyzer - 5

N4392A Transmitter Test in Manufacturing Optical constellation diagram In a constellation diagram, signal information is shown only at the middle of a symbol time. This represents exactly the time stamp a real receiver will take to decide on the transmitted data. These points are commonly referred to as detec- tion decision-points-, and are interpreted as the digital symbols. Constellation diagrams help identify effects like amplitude imbalance, quadrature error, or phase noise just to mention some of them. For calculating the BER based on statistical data a Gaussian noise distortion is...

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Agilent N4392A Optical Modulation Analyzer - 6

N4392A Advanced Research on OFDM Guj'd Lorrtr Subumtts OFDM Astern SimpltFiiqutn^ : forma: Drljib lummnwr Anttnnrji Customer configurable generic OFDM demodulator OFDM is a very complex modulation scheme as it distributes the information not only over time with sequential vectors but also over frequency via a customiz- able number of subcarriers. Each subcarrier can have a different modulation format. In addition in most cases pilot tones need to be detected for synchroni- zation. With this custom configurable OFDM decoder nearly every variation of a digital ODFM signal can be set up and...

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Agilent N4392A Optical Modulation Analyzer - 7

N4392A Research on Modulation Formats | Filter | Search Compensate | Advanced | Custom APSE * Stater Relative Magnitude Customer configurable APSK demodulator This new generic decoder allows the user to configure a custom decoding scheme in accordance with the applied IQ signal. Up to 8 amplitude levels can be combined freely with up to 256 phase levels. This provides nearly unlimited freedom in research to define and evaluate the transmission behavior of a proprietary modulation format. The setup is easy and straightforward. Some examples are shown below. Optical duobinary decoder In 40 G...

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Agilent N4392A Optical Modulation Analyzer - 8

N4392A Integrated Coherent Receiver (ICR) Test Intradyne integrated coherent receiver test For detection of complex modulated optical signals OIF defined an electrooptical component typically described as Integrated Dual Polarization intradyne coherent receiver (ICR). This component contains optical and electo-optical components in one package, as shown in figure 18 as device under test. The hybrid contains many components that need to be integrated and perform seamless as a black box coherent receiver. The integrated component needs to be tested in research and in manufacturing. Figure 16....

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Agilent N4392A Optical Modulation Analyzer - 9

N4392A Integrated Coherent Receiver (ICR) Test (continued) Integrated coherent receiver test provides most relevant test parameters as defined by OIF to characterize integrated coherent receiver components. The following test results are provided by the software: • Relative frequency response S21(f) for each tributary • Phase difference between X and Y polarization as function of frequency • Image suppression over frequency • Error vector magnitude (EVM% rms) over frequency (in addition to OIF) requirements • Image suppression over frequency (in addition to OIF) The following parameter are...

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Agilent N4392A Optical Modulation Analyzer - 10

N4392A Integrated Coherent Receiver (ICR) Test (continued) ICR test setup to characterize ICR impairments N4392A recommended setup for this test • • • • • Option 310 electrical receiver Option 430 ICR characterization package Option 100 C-band or 110 L-band internal CW sources 8169A or N7786 polarization controller 819xA and 81600B series tunable laser For fastest characterization within minutes a tunable laser as described is required. All external instruments are controlled by the N4392A-430 ICR test software. 8169A polarization controller alternatively N7786A 8163A mainframe with 81940A...

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Agilent N4392A Optical Modulation Analyzer - 11

Remote Control with Standard Interface

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Agilent N4392A Optical Modulation Analyzer - 12

Specifications Terms and Conditions Definitions Generally, all specifications are valid at the stated operating and measurement conditions and settings, with uninterrupted line voltage. Specifications (Guaranteed) Describes warranted product performance that is valid under the specified conditions. Specifications include guard bands to account for the expected statistical performance distribution, measurement uncertainties changes in performance due to environmental changes and aging of components. Typical values (Characteristics) Characteristics describe the product performance that is...

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