Automatic gain control apparatus, automatic gain control method, and receiver
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United States of America Patent
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Dec 29, 2015
Grant Date -
Aug 20, 2015
app pub date -
Feb 10, 2015
filing date -
Feb 17, 2014
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Abstract
An automatic gain control apparatus includes: a first counter configured to calculate a first count value that is the number of times when a voltage of an input signal exceeds a first voltage threshold within a predetermined period; a second counter configured to calculate a second count value that is the number of times when the voltage of the input signal drops below a second voltage threshold in the predetermined period; and an over-range detector configured to detect an over-range, based on a comparison result obtained by comparing either one of each of the first count value and the second count value and a calculation result of the first count value and the second count value with a predetermined threshold, and output a detection result.
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