Modulation analyzer and level measurement device
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United States of America Patent
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Sep 25, 2012
Grant Date -
Apr 14, 2011
app pub date -
Oct 9, 2009
filing date -
Oct 9, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A method is provided for determining a modulation of a CATV channel, the modulation being one of a digital modulation and an analog modulation. The method includes passing at least a portion of a tuner output from a tuner to a RF detector, and passing a RF detector output from the RF detector to a sync detector. The method further includes attenuating at least a portion of a sync detector output to create a remaining portion of the sync detector output, and passing the remaining portion of the sync detector output to a peak detector. The method further includes passing an output of the peak detector to a subsequent device, the output of the peak detector indicating whether the modulation of the CATV channel.
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