A Third-Order Low-Pass Notch RC Active Filter with a Minimum Number of Equal-Valued Capacitors

Yukio ISHIBASHI  

Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E76-A   No.10   pp.1863-1865
Publication Date: 1993/10/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Analog Circuits and Signal Processing
Keyword: 
low-pass filters,  operational amplifiers,  sensitivity,  

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Summary: 
We propose a third-order low-pass notch filter realized by a single operational amplifier and a minimum number of equal-valued capacitors. As a design example we realize a Chebyshev filter with a ripple of 0.5 dB and it is shown that the experiment result is very good.