On the systematic synthesis of OTA-based Wien oscillators

被引：23
|
作者：
Li, Yong-an [1 ]
机构：
[1] Xianyang Normal Univ, Sch Phys & Elect Engn, Xianyang 712000, Peoples R China
来源：
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2013年 / 67卷 / 09期
关键词：
Wien oscillator; OTA; Nullor-mirror element; Nodal admittance matrix expansion; ADMITTANCE MATRIX EXPANSION; LINEAR ACTIVE CIRCUITS; MODE BIQUAD FILTER; SYMBOLIC FRAMEWORK; LIMIT VARIABLES; RC CIRCUIT; GENERATION; TRANSFORMATION; DESIGN; REALIZATION;
D O I：
10.1016/j.aeue.2013.03.001
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：
NAM expansion method for systematic synthesis of OTA-based Wien oscillators is given. Moreover, the NAM expansion method for four different classes of the oscillators is considered. The class I oscillators employ three OTAs, the class II oscillators employ four OTAs, the class III oscillators employ five OTAs, and the class IV oscillators employ six OTAs. Each class has 32 different forms, resulting in 128 Wien oscillators using OTAs. Having used grounded capacitors, the circuits are easy to be integrated and their parameters can be tuned electronically through tuning bias currents of the OTAs. The MULTISIM simulation results have been included to support the generation method. (C) 2013 Elsevier GmbH. All rights reserved.
引用
收藏
页码：754 / 760
页数：7
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