Continuous-Time 4th Order Butterworth Low-Pass Filter for Video Frequency Applications

被引：0
|
作者：
J. Sabadell
C. Aldea
S. Celma
P. A. Martínez
机构：
[1] Universidad de Zaragoza,Grupo de Diseño Electrónico, Facultad de Ciencias at the
来源：
Analog Integrated Circuits and Signal Processing | 2001年 / 28卷
关键词：
continuous-time 4th order Butterworth low-pass filter; CMOS; video frequency range;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, a continuous-time 4th order Butterworth low-pass filter based on current-mode processing is presented for applications over the video frequency range. A new type of integrator in which both voltage and currents may be integrated is presented and used as the main active block. The filter has been implemented using a very low-cost 2.4 μm CMOS process (Mietec). The whole circuit occupies 2.8 mm2 and consumes 19 mW from a ±1.5 V supply. Experimental results are given for a 4.5 MHz to 12 MHz tunable low-pass filter with 58 dB of dynamic range at 10 MHz.
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页码：35 / 42
页数：7
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