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Distortions and 8-VSB
The complex signal 8-VSB requires constant monitoring and adjustment as the power amplifier ages. Unlike NTSC, a DTV transmitter can produce full power with a modulated carrier and still leave some or all viewers without a picture, brought on by the cliff effect. These days, it is not just the amount of power produced but the quality of the transmitted signal.

The complex signal 8-VSB requires constant monitoring and adjustment as the power amplifier ages. Unlike NTSC, a DTV transmitter can produce full power with a modulated carrier and still leave some or all viewers without a picture, brought on by the cliff effect. These days, it is not just the amount of power produced but the quality of the transmitted signal.
Posted at:: 04/11/2008