Integrated circuit arrangement for a microphone, microphone system and method for adjusting one or more circuit parameters of the microphone system
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United States of America Patent
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Jan 22, 2019
Grant Date -
Feb 1, 2018
app pub date -
Feb 27, 2015
filing date -
Feb 27, 2015
priority date (Note) -
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Abstract
An integrated circuit arrangement for a microphone, a microphone system and a method for adjusting circuit parameters of the microphone are disclosed. In an embodiment an integrated circuit includes an amplifier circuit with a first switchable network circuit for adjusting an amplifier current of the amplifier circuit, the first switchable network circuit comprising a plurality of switches (SW1, . . . , SWx) each coupled with a first control port of the first switchable network circuit and a control unit coupled with the first control port of the first switchable network circuit and configured to control a setting of the respective switches (SW1, . . . , SWx) of the first switchable network circuit.
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