Low-frequency noise reduction in time-shared switched-capacitor ladder filters

被引：0
|
作者：
Maloberti, F. [1 ]
Montecchi, F. [1 ]
机构：
[1] Dipartimento di Elettronica, Universita di Pavia, 27100 Pavia, Italy
来源：
IEE proceedings. Part G. Electronic circuits and systems | 1985年 / 132卷 / 02期
关键词：
D O I：
暂无
中图分类号：
TN7 [基本电子电路];
学科分类号：
080902 ;
摘要：
By proper use of the time-sharing technique in SC ladder filters, it is possible to reduce the output noise contributed by the time-shared operational amplifiers in the low-frequency region (l/f noise). A generic analysis for the noise components, limited in the baseband, is given for time-shared networks with respect to the conventional ones. Design formulas are derived for the active ladder structures, with some examples of allowable implementations to get the desired reduction of the l/f noise contributions.
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页码：39 / 45
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