Abstract
In this paper, a bandpass filter with controllable cutoff frequency is designed by using current mode synthesis method which is good to design the low-voltage and low-power filter. The designed bandpass filter is composed of cascade connection between 3rd Butterworth highpass filter and 3rd Chebychev lowpass filter. And as a core circuit in the current-mode filter, a current-mode integrator and differentiator are designed and apply to designing filters. The cutoff frequency of the designed 6th bandpass filter can be controlled to 120kHz~54MHz according to control voltage, 0.7V~1.5V.
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Bang, J., Song, J., Noh, M., Ryu, I. (2012). Design of a Current-Mode Bandpass Filter with Controllable Cutoff Frequency. In: Kim, Th., et al. Computer Applications for Security, Control and System Engineering. Communications in Computer and Information Science, vol 339. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35264-5_37
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DOI: https://doi.org/10.1007/978-3-642-35264-5_37
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-35263-8
Online ISBN: 978-3-642-35264-5
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