Micropower transconductor for very-low frequency filters

被引：10
|
作者：
Yodprasit, U [1 ]
Ngarmnil, J [1 ]
机构：
[1] Mahanakorn Univ Technol, Dept Elect Engn, Bangkok 10530, Thailand
来源：
APCCAS '98 - IEEE ASIA-PACIFIC CONFERENCE ON CIRCUITS AND SYSTEMS: MICROELECTRONICS AND INTEGRATING SYSTEMS | 1998年
关键词：
D O I：
10.1109/APCCAS.1998.743644
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A very simple approach to realize very-low frequency continuous-time filters is proposed. The very-low cutoff frequencies are achieved by the use of very-small transconductance transconductor which is based on the cascading of g(m)-g(m)(-1). For demonstration, a first-order g(m)-C lowpass filter was designed and simulated. The simulation results confirming the theory showed that 5 Hz and 10 Hz cutoff frequencies can be obtained with the power dissipation of 88 nW and 66 nW, respectively, while the integrating capacitor is only 1pF.
引用
收藏
页码：5 / 8
页数：4
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