BAND-PASS FILTER AND WIRELESS COMMUNICATION APPARATUS
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United States of America Patent
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Feb 2, 2017
app pub date -
Jul 26, 2016
filing date -
Jul 27, 2015
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Abstract
A band-pass filter circuit includes a low-pass filter, a high-pass filter including an integrator, and a controller. The controller is configured to increase a cut-off frequency of the high-pass filter for a predetermined period of time, when changing a gain of the low-pass filter. Further, the controller is configured to increase a cut-off frequency of the low-pass filter or decrease a Q value of the low-pass filter for the predetermined period of time.
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