Digital terrestrial distribution for local television TLP

Local television TLP (Local TV de Provence) has successfully made the transition from analogue distribution to digital distribution. The field measurements have confirmed the quality of the modulators of the PROMAX Digital To TV (DTTV) headend.

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Measurement of Link Margin

Another new function has been added to the TV Explorer II and TV Explorer II+ range of TV analysers, the Link Margin. This function is available free of charge as a firmware update.

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68 satellite channels trans-modulated to COFDM in Alpe d’Huez (France)

Thanks to the installation of two PROMAX Digital To TV (DTTV) head-ends, now the residential community Maeva “les Mélezes" located in Alpe d’Huez (France) can now offer 68 digital channels from the satellites EUTELSAT Hot Bird 13°E and Atlantic Bird 5°W. The channels are injected into the coaxial network of the community, by using the COFDM digital modulation. By this way, in the apartments the flat-screen TVs with integrated DTT tuner can receive directly the channels.

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Demistifying spectrogram

The Spectrogram is a graphic that shows frequency in the vertical axis and time in the horizontal axis. Spectrogram is one of the many unique functions developed by PROMAX that help to identify difficult to find problems in TV distribution systems.

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Digital To TV: HDTV DVB-S2 receiver for your Cable TV system

Adding HDTV channels to your Cable TV network using DT-302 is easy and cost-effective. Most of the HDTV content available nowadays is coming from satellite. Because of the higher bit rate of the high definition TV programmes this type of services are normally allocated in satellite transponders using 8PSK modulation (DVB-S2).

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News on MATELEC 2008

At MATELEC 2008 edition, PROMAX introduced the DTTV DVB-T headend, especially suitable for hotels, hospitals and CATV networks. Also, many new functions for the TV EXPLORER II were introduced.

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DOCSIS & EURODOCSIS Cable TV Analyser

PROMAX ELECTRONICA S.A. is now presenting its new cable TV analyser PROMAX-27. This product is an evolution of the PROMAX-26 which has successfully been in the market for almost two years now. It includes all the functions of its predecessors adding new features such as VoIP and IPTV measurements, and TILT function.

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Digital To TV: 200 programmes in DVB-T!

We are glad to introduce our new Digital To TV modular system. One interesting application is to directly “transmodulate” from QPSK to COFDM. This allows to deliver satellite programmes in COFDM preserving the original quality.

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Promax wins the Telesatellite and Broadband Award 2008

 

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Using COFDM in Cable TV

Cable TV networks are going through a process of digitalisation of their services and are facing important investments. PROMAX proposes the use of COFDM modulation scheme instead of usual QAM modulators. This method allows a much easier access to the subscribers with implementation costs that can be dramatically reduced. In addition the system is more robust.

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