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公开(公告)号：US20180196101A1
公开(公告)日：2018-07-12
申请号：US15433862
申请日：2017-02-15
Applicant: Analog Devices Global
Inventor： Guangyang Qu , Yincai Tony Liu , Baotian Hao , Hanqing Wang , Hengfang Mei , Rengui Luo , Yimiao Zhao , Junbiao Ding
IPC: G01R31/28 , G01N27/416 , G01N27/12 , G01N33/00
CPC classification number: G01R31/2829 , G01N27/122 , G01N27/4163 , G01N33/0057 , G01R27/02 , G01R27/16 , G01R35/005
Abstract: An apparatus comprises a load resistance connectable in series with the electronic sensor to form a series resistance of the load resistance and the internal impedance of the electronic sensor; an excitation circuit configured to apply a predetermined voltage to a circuit element; and a measurement circuit configured to: initiate applying the predetermined voltage to the series resistance and determining the series resistance; initiate applying the predetermined voltage to the load resistance and determining the load resistance; and calculate the internal impedance of the sensor using the determined series resistance and the load resistance, and provide the calculated internal impedance to a user or process.
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公开(公告)号：US20200033398A1
公开(公告)日：2020-01-30
申请号：US16584212
申请日：2019-09-26
Applicant: Analog Devices Global
Inventor： GuangYang Qu , Yincai Tony Liu , Baotain Hao , Hanqing Wang , Hengfang Mei , Rengui Luo , Yimiao Zhao , Junbiao Ding
Abstract: An apparatus comprises a load resistance connectable in series with the electronic sensor to form a series resistance of the load resistance and the internal impedance of the electronic sensor; an excitation circuit configured to apply a predetermined voltage to a circuit element; and a measurement circuit configured to: initiate applying the predetermined voltage to the series resistance and determining the series resistance; initiate applying the predetermined voltage to the load resistance and determining the load resistance; and calculate the internal impedance of the sensor using the determined series resistance and the load resistance, and provide the calculated internal impedance to a user or process.
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公开(公告)号：US10466296B2
公开(公告)日：2019-11-05
申请号：US15433862
申请日：2017-02-15
Applicant: Analog Devices Global
Inventor： Guangyang Qu , Yincai Tony Liu , Baotian Hao , Hanqing Wang , Hengfang Mei , Rengui Luo , Yimiao Zhao , Junbiao Ding
Abstract: An apparatus comprises a load resistance connectable in series with the electronic sensor to form a series resistance of the load resistance and the internal impedance of the electronic sensor; an excitation circuit configured to apply a predetermined voltage to a circuit element; and a measurement circuit configured to: initiate applying the predetermined voltage to the series resistance and determining the series resistance; initiate applying the predetermined voltage to the load resistance and determining the load resistance; and calculate the internal impedance of the sensor using the determined series resistance and the load resistance, and provide the calculated internal impedance to a user or process.
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