An updated version of a 1985 tutorial paper on active filters using operational
transconductance amplifiers (OTAs) is presented. The integrated circuit issues involved in …

Real time analog multiplication of two signals is one of the most important operations in
analog signal processing. The multiplier is used not only as a computational building block …

The drive for cost reduction has led to the use of CMOS technology in the implementation of
highly integrated radios. This paper presents a single-chip 5-GHz fully integrated direct …

With the rapid progress in CMOS compatible microfabrication of biosensors, there is an
emerging need to miniaturize biosensor arrays onto the surface of silicon chips that acquire …

The operational transconductance amplifier (OTA) is one of the most significant building-
blocks in integrated continuous-time filters. Traditional OTAs suffer linearity reduction as a …

A multiplier is an important component for many analog applications. This paper presents a
low power CMOS analog multiplier with performance analysis and design considerations …

This paper proposes a novel highly linear digitally programmable fully differential
operational transconductance amplifier (DPOTA) circuit. Two versions of the proposed …

This paper presents the analysis and design of a new CMOS highly linear digitally
programmable operational transconductance amplifier (DPOTA). The proposed DPOTA is …

New CMOS voltage controlled fully differential difference transconductors (FDDT) are
presented. The basic structure of the proposed transconductors is based on the current …

A second-order, single-ended, fully integrated low-pass filter with cut-off frequency tunable
in the range 1.5-15 Hz is presented. The filter is based on a recently proposed CMOS …