Noise analysis of an oscillator with an Mth-order filter and comparator-type nonlinearity

被引：0
|
作者：
Dec, A [1 ]
Toth, L [1 ]
Suyama, K [1 ]
机构：
[1] Columbia Univ, Dept Elect Engn, New York, NY 10027 USA
来源：
ISCAS '98 - PROCEEDINGS OF THE 1998 INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-6 | 1998年
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D O I：
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中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper presents noise analysis of a class of oscillators, which can be modeled by a positive feedback system with a M-th-order filter, a comparator-type nonlinearity, and a white noise input. An analytical expression for the output power spectral density is given. For a special case of a 2(nd)-order bandpass filter, the expression can be simplified and shown to reduce to a well-known result under a high Q-factor assumption. The theoretical results presented here are verified by experiment.
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页码：225 / 228
页数：4
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