1 Correction to: Circuits, Systems, and Signal Processing https://doi.org/10.1007/s00034-021-01850-2

In the original version of this article, the given and family name of the corresponding author was incorrectly structured. The author name was published as ‘Shajin H. Francis’ and the corrected name is ‘Francis H. Shajin’.

The original article has been corrected.