Technology of Q 2500 colour TV set
Technology of Q 2500 colour TV set
Technology of Q 2500 colour TV set
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<strong>Technology</strong> <strong>of</strong> Q <strong>2500</strong> <strong>colour</strong> <strong>TV</strong> <strong>set</strong>Parameter Value/algorithm NotesChip S<strong>TV</strong>0299B Manufacturer: ST MicroelectronicsAGCAFCForward Error Correction (FEC)AGC analogue/digital tuner withPWM output.Internal digital AGC on poweroptimisation within the signalbandwidth.digital s<strong>of</strong>tware AFC1. FEC stage Viterbi decoder- Constraint length 7- Rate ½- Other code rates ½, 2/3, ¾, 5/6, 7/8- Rate selection Automatic or manual2. De-interleaver- Synchronous word extraction- Convolutional interleaver- Depth 123. Reed Solomon Decoder- Number <strong>of</strong> parity bytes 12- Block length 204- Correctable byte error 8- Energy dispersal de-scramblerOther- Carrier current output Parallel or serial- Used mode for output Serial- Control IIC bus- On Chip Error MonitoringDocument Q <strong>2500</strong> 58 © Loewe ProCollege
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