Test & Measurement


Optical modulation analyser

24 July 2013 Test & Measurement

Teledyne LeCroy, in conjunction with Coherent Solutions announced the culmination of development work to produce a 45 GHz optical modulation analyser (OMA). The system is capable of testing DP-QPSK and DP-16-QAM optical signals at speeds up to 85 GBaud.

The analyser consists of an IQ-RT45 coherent optical receiver rated to 45 GHz and developed by Coherent Solutions, a LabMaster 10 Zi oscilloscope with available bandwidths up to 65 GHz, and proprietary optical modulation analysis software.

Besides high system bandwidth and baud rate test capability, this solution also provides a dynamic calibration capability to enable the oscilloscope to be disconnected from the coherent optical receiver and used for other electrical validation and testing without requiring a factory recalibration. This enables dual use of the oscilloscope for serial data eye diagram, jitter, noise and crosstalk analysis on NRZ electrical tributaries using Teledyne LeCroy’s SDAIII-CompleteLinQ software package.

For more information contact Comtest, +27 (0)11 608 8520, info@comtest.co.za, www.comtest.co.za



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