A Current Tunable Mixed Mode ZC-CCTAs Based Resistor Less Universal Filter-Reference-Cited by-同舟云学术

A Current Tunable Mixed Mode ZC-CCTAs Based Resistor Less Universal Filter

Published:2021-05-12 Issue:12 Volume:30 Page:
ISSN:0218-1266
Container-title:Journal of Circuits, Systems and Computers
language:en
Short-container-title:J CIRCUIT SYST COMP

Author:

Singh Sajai Vir¹^ORCID,Tomar Ravindra Singh²,Goswami Manish³

Affiliation:

1. Department of Electronics and Communications, Jaypee Institute of Information Technology, Noida (UP), 201304, India

2. Department of Electronics Engineering, Anand Engineering College, Agra-282007, Uttar Pradesh, India

3. Department of Electronics and Communications Engineering, IIIT Allahabad, Allahabad, India

Abstract

This paper introduces a novel current tunable biquad universal filter structure based on four Z-copy current conveyor transconductance amplifiers (ZC-CCTAs) and two capacitors. The proposed structure is a mixed mode topology that allows current and/or voltage signals at input and output terminals and can generate various biquad filtering responses namely all pass (APF), band pass (BPF), band reject (BRF), high pass (HPF) and low pass (LPF) in each of the four possible modes as current input current output (CICO), current input voltage output (CIVO), voltage input voltage output (VIVO) and voltage input current output (VICO) form. The proposed topology is resistor free and posses electronic tuning capability of filter characteristics by adjusting bias current(s) of the device. Besides, the proposed topology also offers reasonable total harmonic distortion (THD) up to 2.18% and leads to less sensitivity with respect to active-passive components. The simulation and design of the circuit is performed using 0.18-[Formula: see text]m CMOS technology environment in PSPICE.

Publisher

World Scientific Pub Co Pte Ltd

Subject

Electrical and Electronic Engineering,Hardware and Architecture,Electrical and Electronic Engineering,Hardware and Architecture

Link

https://www.worldscientific.com/doi/pdf/10.1142/S021812662150225X

Reference55 articles.

1. SIMO Transadmittance Mode Active-C Universal Filter

2. Current mode filters with reduced complexity using a single EX-CCCII

3. Current Processing Current Tunable Universal Biquad Filter Employing Two CCTAs and Two Grounded Capacitors

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