Fractional-Order Filter Design for Ultra-Low Frequency Applications

被引：0

作者：

Dar, M. Rafiq ^{[1
]}

Kant, Nasir A. ^{[1
]}

Khanday, Farooq A. ^{[1
]}

Psychalinos, C. ^{[2
]}

机构：

[1] Univ Kashmir, Dept Elect & Instrumentat Technol, Hazratbal Srinagar 190006, India

[2] Univ Patras, Dept Phys, Elect Lab, GR-26504 Rion, Greece

来源：

2016 IEEE INTERNATIONAL CONFERENCE ON RECENT TRENDS IN ELECTRONICS, INFORMATION & COMMUNICATION TECHNOLOGY (RTEICT) | 2016年

关键词：

fractional-order filters; sub-hertz; biomedical filter design; Impedance scaling; large time constant; PASS FILTER; INTEGRATOR;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The paper presents a novel scheme to implement fractional-order filters for ultra-low frequency applications. The scheme is based on the intrinsic property of the fractional-order filters that the pole frequency can be scaled down to sub-hertz by employing the order if the normal pole frequency of the filter is designed slightly less than one. This is in contrast to the scaling techniques employed in low-frequency integer-order filters where the impedance is scaled to decrease the overall capacitance required for low-frequency design. The functioning of the scheme has been demonstrated by an OTA-based low-pass filter example implemented with 0.35 mu m technology node at +/- 2.1V supply voltage.

引用

页码：1727 / 1730

页数：4

共 32 条

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