LOW-POWER HIGH-PSRR CURRENT-MODE MICROPHONE PRE-AMPLIFIER SYSTEM AND METHOD
摘要
A low power high dynamic range microphone amplification system is disclosed. The system includes a current sensing amplifier for receiving an input current signal representative of auditory information and for providing an amplifier output signal. The current sensing amplifier includes a DC bias network that includes a cascode filter.
申请公布号
WO2005011108(A3)
申请公布日期
2005.03.24
申请号
WO2004US23312
申请日期
2004.07.19
申请人
MASSACHUSETTS INSTITUTE OF TECHNOLOGY;SARPESHKAR, RAHUL;O'HALLORAN, MICAH;BAKER, MICHAEL
发明人
SARPESHKAR, RAHUL;O'HALLORAN, MICAH;BAKER, MICHAEL