Simplified low-voltage CMOS syllabic companding log domain filter

被引：1
|
作者：
Akita, Ippei [1 ]
Wada, Kazuyuki [1 ]
Tadokoro, Yoshiaki [1 ]
机构：
[1] Toyohashi Univ Technol, Grad Sch Engn, Toyohashi, Aichi 4418580, Japan
来源：
2007 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-11 | 2007年
关键词：
D O I：
10.1109/ISCAS.2007.378729
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper proposes a low-voltage syllabic companding log domain filter without state variable correction circuits, which is needed for externally linear and time-invariant operation of conventional filters. The proposed filter is simplified and has wide input range under low-supply voltage by varying a nodal voltage adaptively. The simulation results show 60-dB input range for over 40-dB signal to noise plus distortion ratio at a power supply of 0.6 V in a 0.18-mu m CMOS process.
引用
收藏
页码：2244 / 2247
页数：4
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