This paper presents an electrocardiogram amplifier with operational transconductance
amplifier at 0.18 µm. Comb active filters are used for designing of amplifier circuits and the …

In this paper, an electronically tunable resistorless fractional order filter (FOF) based on
operational transconductance amplifier (OTA) is presented. It uses two fractional capacitors …

An analog topology is proposed to implement a comb filter for removal of power-line
interference from various low-amplitude biomedical signals. In this proposed methodology …

A new approach to the design of a comb filter using current conveyor is proposed to
eliminate the undesired harmonic interference from biomedical signal. In this approach, a …

This research article presents the systematic development of a current-mode-based active
comb filter designed to mitigate the undesirable PLI (power line interference) and its …

An analog comb filter is implemented by linking multiple VDCC-based notch filters in a
cascading fashion (N in total), eliminating N different pole frequencies. This study focuses on …

This research article presents a novel VDTA-based notch and comb filters and their
application in suppressing power-line interference from low-frequency biomedical signals …

An operational-transconductance amplifier (OTA) is a type of amplifier that has the capability
to convert an input voltage signal into an output current signal. Traditional Op-amp amplifies …

There are few bio-potentials signals which is used for human-machine interface (HMI). Most
extensively used bio-potential signal for HMI are electroencephalogram (EEG) and …

Analog filters for biomedical signal processing applications deals with very slow or low
frequency electrical activities of the physiological signals. This paper proposes first order …