A low power 44-300 MHz programmable active-RC filter in 0.8 μm CMOS

被引：0

作者：

Laxminidhi, Tonse ^{[1
]}

Prasadu, Venkata ^{[1
]}

Pavan, Shanthi ^{[1
]}

机构：

[1] Indian Inst Technol, Madras 600036, Tamil Nadu, India

来源：

PROCEEDINGS OF THE IEEE 2007 CUSTOM INTEGRATED CIRCUITS CONFERENCE | 2007年

关键词：

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：

We present a widely programmable fifth order Chebyshev opamp-RC ladder filter whose 3dB bandwidth is digitally tunable over a 7X range, from 44-300 MHz. The opamp uses feed-forward compensation to achieve high DC gain and wide bandwidth with reduced bias currents. The principle of "constant capacitance scaling" is used to maintain the shape of the filter response when the bandwidth is changed by a large factor. The filter consumes 36 mW from a 1.8 V supply and has a dynamic range of 56.6dB.

引用

页码：683 / 686

页数：4

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