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
收藏
页码：163 / 172
页数：10
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