Demodulator: Difference between revisions
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! [[DVB-T]]/[[COFDM]] Demod produced by [[Microtune]] |
! [[DVB-T]]/[[COFDM]] Demod produced by [[Microtune]] |
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! style="background:#efefef;" | [[TDA10021]] |
! style="background:#efefef;" | [[Philips TDA10021|TDA10021]] |
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! [[DVB-C]]/[[QAM]] Demod produced by [[Philips Semiconductors]] |
! [[DVB-C]]/[[QAM]] Demod produced by [[Philips Semiconductors]] |
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! style="background:#efefef;" | [[TDA10045]] |
! style="background:#efefef;" | [[Philips TDA10045|TDA10045]] |
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! [[DVB-T]]/[[COFDM]] Demod produced by [[Philips Semiconductors]] |
! [[DVB-T]]/[[COFDM]] Demod produced by [[Philips Semiconductors]] |
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! style="background:#efefef;" | [[TDA10046]] |
! style="background:#efefef;" | [[Philips TDA10046|TDA10046]] |
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! [[DVB-T]]/[[COFDM]] Demod produced by [[Philips Semiconductors]] |
! [[DVB-T]]/[[COFDM]] Demod produced by [[Philips Semiconductors]] |
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! style="background:#efefef;" | [[TDA8083]] |
! style="background:#efefef;" | [[Philips TDA8083|TDA8083]] |
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! [[DVB-S]]/[[QPSK]] Demod produced by [[Philips Semiconductors]] |
! [[DVB-S]]/[[QPSK]] Demod produced by [[Philips Semiconductors]] |
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Revision as of 02:05, 17 April 2007
A Demodulator (short Demod) recovers (demodulates) the original information from the received and downconverted RF signal. In case of digital TV this is the MPEG2 Transport Stream, in case of analogue TV the Composite Signal.
Digital Demodulators also perform Forward Error Correction (Convolutional Viterbi- and Block-Reed-Solomon-Decoding).