EM Test (Lüthi) CNV 504N Series CDN For Unshielded Unsymmetrical Interconnection Lines

application of Surge and Ringwave pulses onto signal/data lines.

The standard CNV 504N model combines three different applications; coupling of Surge pulse via capacitor or gas arrestor and coupling of Ringwave pulses via capacitor being required by the relevant standards. The required coupling mode can easily be selected by

means of a simple jumper.

The CNV also includes the required decoupling part consisting of decoupling inductors of 20mH for each line. To protect the auxiliary equipment being needed for testing the DUT an additional protection circuit isintegrated at the signal/data line input. EM TEST offers CNV 504N/CNV 508N coupling/decoupling networks for various test voltages up to 10kV and for higher signal voltages/currents (up to 600V and up to 4A). Dedicated CNVs are available e.g. for railway applications as per EN 50155 and for other customer specific test applications.