Design and Implementation of the adaptive CCCII-OTA Filter

DOI

10.2991/icmii-15.2015.24How to use a DOI?

Keywords

Adaptive filter; multifunction filtering; frequency-current converter circuit (F/I); current-controlled filter; CCCII-OTA.

Abstract

This paper proposes an adaptive filter structure and implementation method which based on operational transconductance amplifier (OTA) and the current controlled conveyor (CCCII). After preprocessing and shaping, it can generate a frequency signal, which be converted into current signal IB by the F/I circuit. IB is as the bias current of the filter to control the filtering frequency. The multifunction filter current-controlled is constructed using two CCCII, one OTA, and some capacitors. The filter has low-pass, high-pass, and band-pass function. So that frequency of the filter can automatically track the input signal frequency. This paper describes the principles, the composition, design and implementation of adaptive CCCII-OTA filter. When the frequency of the input signal changes at a wide range from 10kHz to 5MHz, the theoretical values of the filter are in good agreement with the experimental results.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Sheng-Qian Ma
AU  - Yan-Ping Ji
AU  - Zhi-Feng Ma
AU  - Li-Rong Zheng
PY  - 2015/10
DA  - 2015/10
TI  - Design and Implementation of the adaptive CCCII-OTA Filter
BT  - Proceedings of the 3rd International Conference on Mechatronics and Industrial Informatics
PB  - Atlantis Press
SP  - 130
EP  - 134
SN  - 2352-538X
UR  - https://doi.org/10.2991/icmii-15.2015.24
DO  - 10.2991/icmii-15.2015.24
ID  - Ma2015/10
ER  -