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DVB-T2 Signal Analysis Toolkit


The MAXEYE Technologies Digital Video Broadcasting Analysis Toolkit extends LabVIEW tools and functions with National Instruments RF Signal Analyzer (NIRFSA) and NI USRP to analyze digital video broadcasting test signals that conform to their respective standard specifications. This toolkit offers standard based test solution for designing, evaluating and manufacturing Digital video broadcasting- second generation terrestrial (DVB-T2) equipment. Digital video broadcasting-second generation terrestrial (DVB-T2) is the European based consortium standard for broadcast transmission of digital terrestrial television. DVB-T2 can transport compressed video data in an MPEG transport stream using OFDM modulation with channel coding (i.e. COFDM).

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The MAXEYE Technologies DVB-T2 analysis toolkit provides standard based modulation accuracy, power measurements and spectral measurements to help engineers evaluate, design and manufacture DVB-T2 transmitters, amplifiers, tuners, repeaters, modulators and gap-fillers. It is an ideal tool for analyzing the signal quality of the transmitted signal. The Toolkit provides various measurement traces to enable engineers to analyze, troubleshoot and validate the transmitter signal issues. The toolkit measurements can be used to calibrate the DVB-T2 transmitter components. The channel frequency response trace gives the spectral flatness of the RF Front end.


Measurements


  • Modulation Accuracy Measurements: Data PLP MER, Peak Data PLP MER, L1 Post Signalling Data MER, L1 Post Signalling Data Peak MER, Data PLP EVM, Peak Data PLP EVM, L1 post Signalling Data EVM, L1 Post Signalling Data Peak EVM, Data PLP Constellation Trace, L1 Post Signalling Data Constellation Graph, Frequency Offset, Clock Offset, Channel Frequency Response (Spectral Flatness), Magnitude and Phase Error Measurements.
  • Time domain Average and Peak Power Measurements.
  • IQ Impairment Measurements: IQ Gain Imbalance, Quadrature Skew, IQ offset.
  • L1 and L2 signalling decoding and extraction of signal parameters.
  • Spectral Measurements: Channel Power, Adjacent Channel Powers, Spectral Emission Mask Trace, Spectral Emission Mask Margin.


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