基于自级联码电流控制的CCII可调带通滤波器

I. Eldbib, V. Musil
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引用次数: 23

摘要

本文提出了一种新的基于CMOS电流传输的自级联码电流反射镜结构,用于可调谐带通滤波器。因此,我们设计的第一步是改进CCII的性能特性。首先研究了CMOS技术中的低压自级联编码技术。提出了一种基于自级联码电流反射镜的有源单元单位增益电流传输可调电流模式带通滤波器。q因子和中心频率可以通过直流偏置电流进行电子控制。为了验证这一点,使用AMIS的0.7 um技术CMOS工艺进行了Pspice模拟。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Self-cascode current controlled CCII based-tunable band pass filter
In this paper we present new construction of CMOS current conveyor based self cascode current mirrors used in tunable band pass filter. Thus the first step in our design was to improve the CCII performance characteristic. The low voltage self cascode technique in CMOS technology was first studied. A tunable current- mode band pass filter using active elements unity gain current conveyor based self cascode current mirror is presented. The Q-factor and the central frequency can be electronically controlled by a DC bias current. To verify this, a Pspice simulations were carried out using 0.7 um technology CMOS process from AMIS.
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