<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The discrete time signal processing requires an anti-aliasing filter at the input and a reconstruction filter at output. Some filters of biquads structure are characterized by a decreasing of the attenuation at high frequencies, caused by the final value of the output resistance of the operational amplifier. In this paper we discuss a design of combined BP filter without mentioned decrease. The proposed filter structure was verified by SPICE simulation.</p>
</abstract>

The discrete time signal processing requires an anti-aliasing filter at the input and a reconstruction filter at output. Some filters of biquads structure are characterized by a decreasing of the attenuation at high frequencies, caused by the final value of the output resistance of the operational amplifier. In this paper we discuss a design of combined BP filter without mentioned decrease. The proposed filter structure was verified by SPICE simulation.

Combination of HP and LP filters for narrow band antialiasing filter

Faculty of the Electronics and Informatics

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Combination of HP and LP filters for narrow band antialiasing filter"}

The discrete time signal processing requires an anti-aliasing filter at the input and a reconstruction filter at output. Some filters of biquads structure are...

Combination of HP and LP filters for narrow band antialiasing filter

Published Online: Sep 13, 2021

Page range: 283 - 286

Received: Jun 28, 2021

DOI: https://doi.org/10.2478/jee-2021-0040

Keywords
low-pass, band-pass filters structure, real operational amplifier, frequency response, decrease of the attenuation at high frequencies

© 2021 Bohumil Brtník, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Combination of HP and LP filters for narrow band antialiasing filter

Published Online: Sep 13, 2021

Page range: 283 - 286

Received: Jun 28, 2021

DOI: https://doi.org/10.2478/jee-2021-0040

Keywordslow-pass, band-pass filters structure, real operational amplifier, frequency response, decrease of the attenuation at high frequencies

© 2021 Bohumil Brtník, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
low-pass, band-pass filters structure, real operational amplifier, frequency response, decrease of the attenuation at high frequencies