On the Barkhausen and Nyquist stability criteria

被引：18
|
作者：
von Wangenheim, Lutz [1 ]
机构：
[1] Univ Appl Sci Bremen, D-28199 Bremen, Germany
来源：
ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING | 2011年 / 66卷 / 01期
关键词：
Barkhausen criterion; Condition of oscillation; Feedback; Nyquist stability criterion; Oscillators; Stability;
D O I：
10.1007/s10470-010-9506-4
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A recently published paper (Singh, Analog Integr Circuit Signal Process, 62:327-332, 2010) dealing with the relationship between the Barkhausen condition for oscillation and the well known Nyquist stability criterion for systems with feedback is highly appreciated. However, it seems to be necessary to place some comments on it. The circuit examples presented in the cited paper as well as the conclusions will be critically reviewed. Apparently, there is still no sufficient oscillation condition. Therefore, the necessity to complete the existing oscillation criterion with a sufficient condition is emphasized.
引用
收藏
页码：139 / 141
页数：3
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