NOISE SUPPRESSION CIRCUIT
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United States of America Patent
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Issued Date -
Oct 5, 2017
app pub date -
Jun 6, 2016
filing date -
Mar 29, 2016
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Abstract
This disclosure provides a noise suppression circuit for suppressing a noise in a voltage signal. The noise suppression circuit comprises: a switch unit having a first terminal receiving the voltage signal and a second terminal; a capacitor having a first terminal connected to the first terminal of the switch unit and a second terminal grounded; and an analog front-end unit including an operational amplifier with a signal input terminal and a reference-voltage input terminal electrically connected to the second terminal of the switch unit; wherein the switch unit is controlled by a pulse signal.
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