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.
 

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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