An Automatic Gain Control Circuits for the Microphone Read-out Integrated Circuit

被引：0

作者：

Im, Saemin ^{[1
]}

Lee, Na-Hoo ^{[1
]}

Baik, Kyoungho ^{[1
]}

Park, Sang-Gyu ^{[1
]}

机构：

[1] Hanyang Univ, Dept Elect Engn, Seoul, South Korea

来源：

JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE | 2020年 / 20卷 / 05期

关键词：

Automatic gain control; AGC; audio ADC; PGA; delta-sigma ADC; audio codec; AGC; DESIGN;

D O I：

10.5573/JSTS.2020.20.5.447

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

For the wide dynamic-range (DR) microphone read-out integrated circuit (M-ROIC), high performance ADC and programmable gain amplifier (PGA) are required which occupies large area and consumes large power. But the performance requirement on the ADC can be eased when we employ an automatic gain control (AGC) technique. In this brief, we present a wide DR M-ROIC employing an AGC. We verify the operation of the proposed AGC circuit by SPICE level simulations.

引用

页码：447 / 455

页数：9

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