Overview

Research in analogue integrated circuits has recently gone in the direction of low-voltage (LV), low-power (LP) design, especially in the environment of portable systems where a low supply voltage, given by a single-cell battery, is used. These LV circuits have to show a reduced power consumption to maintain a longer battery lifetime as well. In this area, traditional voltage-mode techniques are going to be substituted by the current-mode approach, which has the recognized advantage to overcome the gain-bandwidth product limitation, typical of operational amplifiers. Then they do not require high voltage gains and have good performance in terms of speed, bandwidth and accuracy. Inside the current-mode architectures, the current-conveyor (CCII) can be considered the basic circuit block because all the active devices can be made of a suitable connection of one or two CCIIs. CCII is particularly attractive in portable systems, where LV LP constraints have to be taken into account. In fact, it suffers less from the limitation of low current utilization while showing full dynamic characteristics at reduced supplies (especially CMOS version) and good high frequency performance. Recent advances in integrated circuit technology have also highlighted the usefulness of CCII solutions in a large number of signal processing applications. In this book, the authors start by giving a brief history of the first- and second-generation CC. Then, the second-generation current-conveyor (CCII) is considered as a building block in the main active feedback devices and in the implementation of simple analogue functions, as an alternative to OA. In the next chapters, the design of CCII topologies is considered, together with a further look into CCII modern solutions and future trends. The authors, therefore, describe LV LP CCII implementations, their evolution towards differential and generalized topologies, and new possible CCII applications in some basic analogue functions such as filters, impedance simulators and converters, oscillators, among others.

Full Product Details

Author:   Giuseppe Ferri ,  Nicola C. Guerrini
Publisher:   Springer-Verlag New York Inc.
Imprint:   Springer-Verlag New York Inc.
Edition:   2003 ed.
Dimensions:   Width: 15.50cm , Height: 1.40cm , Length: 23.50cm
Weight:   1.120kg
ISBN:  

9781402074868

ISBN 10:   1402074867
Pages:   220
Publication Date:   31 July 2003
Audience:   College/higher education ,  Professional and scholarly ,  Undergraduate ,  Postgraduate, Research & Scholarly
Format:   Hardback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

Design of CCII Topologies.- CCII Low Voltage Low Power Design and Characteristics.- Evolution of LV LP CCII Basic Building Block.- LV LP CCII Applications.

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