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Low Voltage Digitally Controlled CMOS Current Conveyor
Authors:Ahmed AA El-Adawy  Ahmed M Soliman  Hassan O Elwan
Affiliation:1. Electronics and Communications EngineeringDepartment, Cairo University, Egypt.;2. Department of Electrical Engineering, The Ohio State University, Columbus, OH 43210, USA;1. Division of General and Bariatric Surgery, Department of Surgery, Second University of Naples, Naples, Italy;2. Bariatric and Metabolic Surgery Unit, University of Salerno, Salerno, Italy;3. Division of Video-assisted Gastric Surgery, Federico II University of Naples, Naples, Italy;4. Division of Gastrointestinal Surgical Pathophysiology, Second University of Naples, Naples, Italy;5. Division of General, Oncological and Bariatric Surgery, Federico II University of Naples, Naples, Italy;1. Groupe de Recherche en Physiologie végétale (GRPV), Earth and Life Institute-Agronomy (ELIA), Université catholique de Louvain, 5 (Bte 7.07.13) Place Croix du Sud, 1348 Louvain-la-Neuve, Belgium;2. School of Environment, Nanjing Normal University, Nanjing, 210023, China;3. Laboratoire des Plantes Extremophiles, Centre de Biotechnologie de la Technopole de Borj Cedria, BP 901, Hamman Lif 2050, Tunisia;1. Departamento de Bioquímica e Imunologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Brazil;2. Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Brazil;3. Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Brazil;4. Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto,Universidade de São Paulo, Brazil;5. Centro de Ciências Médicas e Farmacêuticas, UNIOESTE, Cascavel, Paraná, Brazil;1. Vascular Medicine and Metabolism Unit, Research Unit on Lipids and Atherosclerosis, IISPV, “Sant Joan” University Hospital, Universitat Rovira I Virgili, Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Reus, Spain;2. Pediatric Research Unit, Universitat Rovira I Virgili, IISPV, Reus, Spain;3. Riudoms Pediatric Primary Health Care, Tarragona, Spain
Abstract:In this paper, a digitally controlled current conveyo(DCCC) is presented. The proposed DCCC is based on rail-to-rail folded cascode implementation with a current division network (CDN). The CDN is used to provide control on the current gain of the DCCC. The CDN uses a novel current division technique based on differential pairs. The proposed DCCC can operate from ±1.5 V supply voltages. Applications of the proposed DCCC such as variable gain amplifiers (VGA) and digitally tunedfilters have been investigated. PSpice simulations based on the AMI 1.2 µm N-well level 3 parameters are in agreement with the presented work.
Keywords:CMOS Current Conveyor  Filters
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