Analog Devices,inc.

Audioasics A/s

Daifi Sassene

Mohammad Shajaan

Michael Deruginsky

Claus Erdmann Fuerst

An integrated circuit configured to provide a microphone output signal, comprising: a preamplifier coupled to receive an input signal, generated by either a first microphone member or a second microphone member, where one of the members is movable relative to the other microphone member; a voltage pump to output a pumped voltage; and a low-pass filter coupled to filter the pumped voltage from the voltage pump and to provide a bias voltage to either microphone member.

Microphone with voltage pump

An integrated circuit () configured to provide a microphone output signal, comprising: a preamplifier () coupled to receive an input signal, generated by a first microphone member that is movable relative to a second microphone member; and a voltage pump () to provide a bias voltage to either microphone member.

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Vaerlose, Denmark

Daifi Sassene