A WIDE-RANGE DIFFERENTIAL-DIFFERENCE AMPLIFIER - A BASIC BLOCK FOR ANALOG SIGNAL-PROCESSING IN MOS TECHNOLOGY

被引：71

作者：

HUANG, SC

ISMAIL, M

ZARABADI, SR

机构：

[1] Solid-State Microelectronics Laboratory, Dept. of Electrical Engineering, Ohio State University, Columbus

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-ANALOG AND DIGITAL SIGNAL PROCESSING | 1993年 / 40卷 / 05期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1109/82.227369

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a CMOS implementation of a wide input range differential difference amplifier (DDA) using a V-I converter with large signal handling capability. It introduces the wide range DDA as a basic building block for continuous-time analog signal processing systems. The basic features of the DDA are verified experimentally using a 2-mum CMOS process MOSIS chip. The paper shows that it is generally possible to develop DDA-based analog circuits, such as an adder/subtractor and differential integrators, with almost infinite input impedances, low component count and without matching requirements of components/devices external to the DDA. DDA-based circuits such as amplifiers, a MOS grounded resistor, four quadrant multipliers and amplitude modulators are presented. Such circuits constitute basic building blocks in modern analog VLSI signal and information processing systems. Moreover, the applications of the DDA in the implementation of frequency selective circuits, e.g., resonator and state-variable second-order filters are also given. All proposed circuits and design techniques are experimentally verified and demonstrate that DDA-based circuits offer a competitive design choice to op-amp-based circuits.

引用

页码：289 / 301

页数：13

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