A Fully Analog Low-Power Wavelet-Based Hearing Aid Front-end

被引：0
|
作者：
Medeiros, Jose E. G. [1 ]
Chrisostomo, Lucas A. P. [1 ]
Meira, Gabriela [2 ]
Toledo, Yuri C. R. [3 ]
Pimenta, Matheus [3 ]
Haddad, Sandro A. P. [2 ]
机构：
[1] Univ Brasilia, Dept Elect Engn, BR-70910900 Brasilia, DF, Brazil
[2] Univ Brasilia, Fac Gama, BR-70910900 Brasilia, DF, Brazil
[3] DFchip, Brasilia, DF, Brazil
来源：
2013 IEEE BIOMEDICAL CIRCUITS AND SYSTEMS CONFERENCE (BIOCAS) | 2013年
关键词：
D O I：
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中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents a new low-power Hearing Aid Front-end based on an analog wavelet transform signal processing. The system consists of an analog wavelet filter bank and an Automatic Gain Control (AGC), wtih a new topology for the decision logic and a new circuit design for the Programable Gain Amplifier (PGA). From simulation results, using a 0.18um CMOS technology, the proposed circuit shows very good performance with respect to Signal-to-Noise Ratio (SNR) and loudness behavior in an ultra low-power environment.
引用
收藏
页码：242 / 245
页数：4
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