Processing chip for a digital microphone and related input circuit and a digital microphone

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United States of America Patent

PATENT NO 9008332
APP PUB NO 20120250898A1
SERIAL NO

13248975

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Abstract

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A processing chip for a digital microphone and related input circuit and a digital microphone are described herein. In one aspect, the input circuit for a processing chip of a digital microphone includes: a PMOS transistor, a resistor, a current source, and a low-pass filter. The described processing chip possesses high anti high-frequency interference capabilities and the described input circuit possesses high high-frequency power supply rejection ratio.

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Patent Owner(s)

Patent OwnerAddress
KT MICRO INCBUILDING 4 23 YUQUANSHAN ROAD HAIDIAN DISTRICT BEIJING BEIJING CITY BEIJING CITY 100000

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bai, Rongrong Beijing, CN 4 7
Cao, Jing Rancho Santa Margarita, US 51 330
Wang, Jianting Beijing, CN 35 55
Wang, Wenjing Beijing, CN 58 281

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