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Digital Signal Decoder for Digital TV Broadcasting

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airachrizette

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Good day authors! Our group is conducting a research proposal of a digital signal decoder for digital tv broadcasting, we would like to ask for some sample circuits of a digital signal decoder. Or even some descrambler patterns. Your answers will be much appreciated. Thankyou in advance and more power to the team.
 

betwixt

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Such circuits are EXTREMELY complicated and normally the decoding will be done in a dedicated ASIC IC.

The TV signal has to be decoded from whatever standard it is broadcast (QAM, ATSC, OFDM etc.) then de-multiplexed into component streams and finally those streams have to be decompressed back to baseband audio, video and data.

A good source of information is at www.batc.org.uk , their magazine (paper and PDF) carries lots of articles on DVB systems, including decoders and encoders.

Brian.
 

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