The MAXEYE Technologies Digital video Broadcasting Analysis Toolkit extends LabVIEW tools and functions with National Instruments RF Signal Analyzer (NI RFSA) 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-terrestrial (DVB-T) equipment. (DVB-T) is the European based consortium standard for broadcast transmission of digital terrestrial television. DVB-T can transport compressed video data in an MPEG transport stream using OFDM modulation with channel coding (i.e. COFDM).

The MAXEYE Technologies DVB-T analysis toolkit provides standard based modulation accuracy, power measurements and spectral measurements to enable engineers for evaluating, designing, manufacturing DVB-T/H transmitters, amplifiers, tuners, repeaters, modulators and gap-fillers. It is an ideal tool for analyzing the signal quality of the transmitted signal. 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-T transmitter components. The EVM vs Subcarriers and EVM vs Symbols enable the time and frequency domain analysis of the transmitted signal to identify the issues in it. The channel frequency response trace gives the spectral flatness of the RF Front end.

Measurements

• Modulation Accuracy Measurements: Data MER, Pilot MER, Peak MER, Data EVM, Pilot EVM, Peak EVM, Peak EVM Symol Position, Peak EVM Sucarrier Position, Constellation Trace, EVM vs Symbols, EVM vs Subcarriers, MER vs Symbols, MER vs Subcarriers, Frequency Offset, Clock Offset, Channel Frequency Response (Spectral Flatness), Magnitude and Phase Error Measurements.

• Time domain Average and Peak Power Measurements.

• IQ Impariment Measurements: IQ Gain Imbalance, Quadrature Skew, IQ offset (Carrier Suppression).

• TPS 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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