A CMOS hearing aid device

被引：23

作者：

Silva-Martínez, J ^{[1
]}

Solís-Bustos, S ^{[1
]}

Salcedo-Suñer, J ^{[1
]}

Rojas-Hernández, R ^{[1
]}

Schellenberg, M ^{[1
]}

机构：

[1] Natl Inst Astrophys Opt & Elect, Dept Elect, Integrated Circuits Design Grp, Puebla 72000, Mexico

来源：

ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING | 1999年 / 21卷 / 02期

关键词：

analog integrated circuits; CMOS amplifiers and filters; AGCs; hearing aid device;

D O I：

10.1023/A:1008373824380

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper a CMOS Hearing Aid Device is described. The system is composed of a low-distortion low-noise preamplifier, an automatic gain control (AGC), a fully programmable switched-capacitor filter (equalizer), and a control system. The device has been fabricated in a 1.2 mu m CMOS analog process. The dynamic range of the device is 55 dB while the harmonic distortion components are below -50 dB. Experimental results show the feasibility of the proposed architecture.

引用

页码：163 / 172

页数：10

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