Data transmission rate has to be measured frequently in digital television, independently of an MPEG2 Measurement Decoder DVMD and directly after DVB modulation. Direct measurement of the symbol rate is not always accurate enough, even if it is determined with accuracy of 1 kHz as with TV Test Receiver EFA. Seen in relation to the data rates of 38.153 Mbit/s and 64 QAM (DVB-C) common in today’s cable systems, 1 kHz resolution is equivalent to an error of ...
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