BERTWave MP2110A Sampling Oscilloscope welcomes new functionalities

The introduction of features such as Addition of Clock Recovery, PAM4 Analysis, and Jitter Analysis Functions will help in the continuous monitoring of signal quality.

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Anritsu Corporation has announced the release of three new functions i.e. Clock Recovery, PAM4 Analysis and Jitter Analysis options in order to upgrade BERTWave MP2110A Sampling Oscilloscope which could prove crucial in manufacturing and inspecting optical modules and devices.

To address the drastic growth in the data traffic volumes, there is a need for upgradation in the services that is being delivered to the end customers. The optical modules that are used for switching purposes now come with improved operational speeds in the range of 200-400 Gbit/s. Also, the transmission format has enhanced from the NRZ technology to PAM4. In order to monitor the performance of the modules in use, there is a need of trigger signals. These signals help in the evaluation of transmission equipment optical interfaces and separation of jitter components. To meet the measurement needs and for the manufacturing of PAM4 optical modules, Anritsu has come up with an all new set of features which have been incorporated into the MP2110A sampling oscilloscope. It is said that this will help shorten inspection times, increase production-line yields and cut measurement equipment costs.

The device MP2110A sampling oscilloscope includes features like clock recovery, jitter analysis and PAM4 analysis in addition to the existing BER measurement and EYE pattern analysis. The 095 PAM4 Analysis Software will evaluate PAM4 optical signals such as Transmitter and Dispersion Eye Closure Quaternary (TDECQ). The software has a low level of complexity and provides easy capture of measurement results. The characteristics such as low noise (3.4 µW typ.) and high-sensitivity make it suitable for high-reproducibility measurements with small EYE margin PAM4 signals. Since it undergoes high-speed sampling, time taken to collect the data for TDECQ is less. This further improves the productivity at PAM4 signal evaluation.

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The function of 054 Clock Recovery (Electrical/Optical) is to recover the trigger signal for the sampling oscilloscope from the input data signal. It focuses on the monitoring of waveforms for transmission equipment without a clock source. The design makes it compatible for low cost measurement system configuration without complex cabling. It backs recovery of NRZ and PAM4 clocks in order to keep a check on the equipment costs. Also, this helps in the reduction of losses due to MP2110A internal dividers thereby minimizing the impact on sensitivity. This theory can be used for high-sensitivity monitoring of PAM signals.

The Jitter Analysis Software is responsible for analysis of different jitter components such as TJ, DJ, RJ, etc separately. It finds its importance in studying the measurements required by J2, J9 and manufacturing inspection. Moreover, it supports detailed DJ analysis i.e. Advanced Jitter Mode. To increase productivity and shorten the measurement time, this software employs simultaneous jitter analysis and EYE Mask tests.

EYE Pattern Analysis, as the name suggests, analyses Eye Pattern waveform by summing the periodic signal waveform. It is called an EYE pattern because the displayed signal waveform bears resemblance to an eye. When the waveform is drawn repeatedly over the same position, the signal quality is said to be high. On the other hand, if the repeatedly drawn waveform drifts, the signal is said to be poorly transmitted.

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