A speech codec with a class AB switch-current sigma-delta modulator and an area-efficient decimator/interpolator

2005 ◽  
Author(s):  
Shuenn-Yuh Lee ◽  
Chih-Jen Cheng
Keyword(s):  
Sigma Delta Modulator ◽  
Sigma Delta ◽  
Class Ab ◽  
Speech Codec ◽  
Area Efficient

A Very Low-Power Class AB/AB Op-amp based Sigma-Delta Modulator for Biomedical Applications

2006 ◽  
Author(s):  
E. Lopez-Morillo ◽  
R. G. Carvajal ◽  
H. ElGimili ◽  
Jaime Ramirez-Angulo ◽  
Antonio Lopez-Martin ◽  
...  
Keyword(s):  
Low Power ◽  
Biomedical Applications ◽  
Sigma Delta Modulator ◽  
Sigma Delta ◽  
Class Ab ◽  
Op Amp ◽  
Power Class

An area-efficient multi-bit sigma-delta modulator

2016 ◽  
Author(s):  
YongSheng Wang ◽  
Ya Qin Hu ◽  
Yang Liu ◽  
XiaoXiao Zhou ◽  
ShanShan Li ◽  
...  
Keyword(s):  
Sigma Delta Modulator ◽  
Sigma Delta ◽  
Area Efficient

Fully integrated triple-mode sigma-delta modulator for speech codec

2016 ◽  
Author(s):  
Lei Zou ◽  
Marco De Blasi ◽  
Gino Rocca ◽  
Marco Grassi ◽  
Piero Malcovati ◽  
...  
Keyword(s):  
Sigma Delta Modulator ◽  
Sigma Delta ◽  
Fully Integrated ◽  
Speech Codec ◽  
Triple Mode

Sensor Signal Digitization Utilizing a Band-Pass Sigma-Delta Modulator

2009 ◽  
Vol E92-C (6) ◽  
pp. 860-863 ◽  
Author(s):  
Lukas FUJCIK ◽  
Linus MICHAELI ◽  
Jiri HAZE ◽  
Radimir VRBA
Keyword(s):  
Sensor Signal ◽  
Sigma Delta Modulator ◽  
Sigma Delta ◽  
Band Pass
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