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公开(公告)号：US20230219807A1
公开(公告)日：2023-07-13
申请号：US18174280
申请日：2023-02-24
CPC分类号： B81B7/007 , B81B7/0029 , H02J50/05
摘要： A device includes a readout circuit coupled between an input node and an output node; a microelectromechanical systems (MEMS) device coupled to the input node; and a first charge controlled clamp circuit coupled between the input node and a first bias node.
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公开(公告)号：US20170338823A1
公开(公告)日：2017-11-23
申请号：US15598330
申请日：2017-05-18
发明人： Michael Reinhold , Ulrich Reichold
IPC分类号： H03K19/0185 , H02M3/07 , G01R19/165
CPC分类号： H03K19/018521 , G01R19/16585 , H02M3/07
摘要： In various embodiments, a level shifter circuit is provided. The level shifter circuit may include a signal source and a level shifter. The signal source, on the output side, is capacitively coupled to an input of the level shifter. The signal source and the level shifter are galvanically isolated from one another.
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公开(公告)号：US20240236585A1
公开(公告)日：2024-07-11
申请号：US18151628
申请日：2023-01-09
CPC分类号： H04R19/005 , H04R3/04 , H04R2201/003
摘要： A microphone includes a first resistor circuit for receiving a bias voltage; an offset reduction circuit coupled to the first resistor circuit; a second resistor circuit coupled to the offset reduction circuit; an amplifier coupled to the second resistor circuit configured for receiving an input signal and generating an output signal; and a capacitor circuit coupled to the amplifier, the offset reduction circuit, and the second resistor circuit.
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公开(公告)号：US10685802B2
公开(公告)日：2020-06-16
申请号：US15597218
申请日：2017-05-17
摘要： In various embodiments, a measuring arrangement is provided. The measuring arrangement may include a micromechanical sensor including a capacitor, a bridge circuit including a plurality of capacitors, at least one capacitor of which is the capacitor of the micromechanical sensor, an amplifier coupled, on the input side, to an output of the bridge circuit, a DC voltage source configured to provide an electrical DC voltage, a chopper including at least one first charge store and a switch structure, The switch structure is configured to couple the first charge store alternately to the DC voltage and the bridge circuit for the purpose of coupling an electrical mixed voltage into the bridge circuit.
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公开(公告)号：US12024419B2
公开(公告)日：2024-07-02
申请号：US18174280
申请日：2023-02-24
发明人： Hong Chen , Michael Reinhold , Juergen Roeber , Andreas Wiesbauer
CPC分类号： B81B7/007 , B81B7/0029 , H02J50/05
摘要： A device includes a readout circuit coupled between an input node and an output node; a microelectromechanical systems (MEMS) device coupled to the input node; and a first charge controlled clamp circuit coupled between the input node and a first bias node.
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公开(公告)号：US11618671B2
公开(公告)日：2023-04-04
申请号：US16989187
申请日：2020-08-10
发明人： Hong Chen , Michael Reinhold , Juergen Roeber , Andreas Wiesbauer
摘要： A device includes a readout circuit coupled between an input node and an output node; a microelectromechanical systems (MEMS) device coupled to the input node; and a first charge controlled clamp circuit coupled between the input node and a first bias node.
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公开(公告)号：US20170338069A1
公开(公告)日：2017-11-23
申请号：US15597218
申请日：2017-05-17
摘要： In various embodiments, a measuring arrangement is provided. The measuring arrangement may include a micromechanical sensor including a capacitor, a bridge circuit including a plurality of capacitors, at least one capacitor of which is the capacitor of the micromechanical sensor, an amplifier coupled, on the input side, to an output of the bridge circuit, a DC voltage source configured to provide an electrical DC voltage, a chopper including at least one first charge store and a switch structure, The switch structure is configured to couple the first charge store alternately to the DC voltage and the bridge circuit for the purpose of coupling an electrical mixed voltage into the bridge circuit.
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