ACTIVE AND CONFIGURABLE FILTER DEVICE
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United States of America Patent
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Issued Date -
Nov 22, 2012
app pub date -
Mar 22, 2012
filing date -
May 20, 2011
priority date (Note) -
Abandoned
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Abstract
An active and configurable filter device includes a first filter with a first quality factor, a second filter with a second quality factor and a third filter with a third quality factor. The first filter defines a bandwidth and central frequency of the filter device. The second filter is connected to the first filter for using the spectrums of the first filter and second filter to define a lower bound frequency and sharpness of the bandwidth of the filter device. The third filter is connected to the second filter for using the spectrums of the first filter and third filter to define an upper bound frequency and sharpness of the bandwidth of the filter device. The first quality factor is an adjustable value in a range of 5 to 15, and the second and the third quality factors are each an adjustable value greater than 15.
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