NDLI: Active filters using single current conveyor

Content Provider	IEEE Xplore Digital Library
Author	Yichuang Sun Yigang He
Copyright Year	2003
Description	Author affiliation: Dept. of Electron., Commun. & Electr. Eng., Hertfordshire Univ., Hatfield, UK (Yichuang Sun)
Abstract	A current to voltage lowpass filter using a single CCII is proposed. This filter can absorb all finite CCII resistances and capacitances and offer both non-inverting and inverting output. Convenient compensation methods exist for gain inaccuracy and excess phase effects. The sensitivities are also very low. The filter is particularly useful for data converting and sampled-data filtering systems as it can fulfil both filtering for antialiasing or smoothing purpose and interfacing between current-mode and voltage-mode systems. We also present a current-mode filter topology using a single dual output CCII, which can realise various types of lowpass, bandpass and highpass filters. Since the output current is taken from one CCII output terminal, the structure is suitable for direct cascade for high-order filter design and less sensitive to the CCII parasitic effects compared with those taking current output from capacitor or resistor branches. Both voltage- and current-mode high-order filters can be readily realized using the proposed two filters as basic sections.
Sponsorship	Chinese High-tech Development Program Chinese Academy of Sci. Chinese Soc. of Automation IEEE Systems, Man and Cybernetics Soc
Starting Page	1130
Ending Page	1134
File Size	395575
Page Count	5
File Format	PDF
ISBN	078037925X
DOI	10.1109/RISSP.2003.1285749
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-10-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Operational amplifiers Resistors Smoothing methods Filtering Capacitors Voltage Active filters Band pass filters Topology Switching circuits
Content Type	Text
Resource Type	Article

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