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公开(公告)号：US10673416B2
公开(公告)日：2020-06-02
申请号：US15230599
申请日：2016-08-08
Applicant: Analog Devices, Inc.
Inventor： Thomas W. Kelly , Ekin Yagmur Gonen
Abstract: Circuits and techniques are described for reducing the impact of environmental noise and interference on the output signal of a capacitive sensor. The output signal is sampled randomly in some situations by generating a random sampling instant within a fixed clock period. The sampling is performed by a sampling or demodulation circuit. The demodulation circuit may be part of a larger circuit with various components that operate based on a fixed period clock signal.
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公开(公告)号：US20180041198A1
公开(公告)日：2018-02-08
申请号：US15230599
申请日：2016-08-08
Applicant: Analog Devices, Inc.
Inventor： Thomas W. Kelly , Ekin Yagmur Gonen
Abstract: Circuits and techniques are described for reducing the impact of environmental noise and interference on the output signal of a capacitive sensor. The output signal is sampled randomly in some situations by generating a random sampling instant within a fixed clock period. The sampling is performed by a sampling or demodulation circuit. The demodulation circuit may be part of a larger circuit with various components that operate based on a fixed period clock signal.
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