This paper presents a novel approach to design a digitally programmable low pass filter
(LPF) and variable gain amplifier (VGA) intended for a software-defined radio (SDR) front …

In this paper, a 4th-order low-pass continuous-time analog filter is presented, that is
implemented with the cascade of two efficient and compact biquadratic cells, realized using …

A third-order channel selection filter for multi-mode direct-conversion receivers is presented.
The filter is designed with a Butterworth prototype and with the target wireless applications of …

This paper presents a generic-purpose solution of highly power-efficient active-RC filters,
which is suitable for analog baseband with wide bandwidth-range from several mega-Hz to …

This paper proposes a biquad design methodology and presents a baseband low-pass filter
for wireless and wireline applications with reconfigurable frequency response …

The linearity of conventional active-RC filters is limited by the operational transconductance
amplifiers (OTAs) used in the integrators. Transconductance-capacitance (Gm-C) filters are …

A 0.55 V supply voltage fourth-order low-pass continuous-time filter is presented. The low-
voltage operating point is achieved by an improved bias circuit that uses different opamp …

A novel class of filters (called pipe filters) that features in-band noise reduction is presented
and a current mode biquad cell based on cross-connected cascoded devices is introduced …

This brief presents a novel biquadratic cell (biquad) based on the flipped-source-follower
(FSF) circuit. The main idea is to exploit the FSF circuit as a basic building block for a low …

The fourth-generation (4G) of cellular terminals will integrate the services provided by
previous generations second-generation/third-generation (2G/3G) with other applications …