CONTINUATION ANALYSIS OF A PHASE/QUADRATURE ELECTRONIC OSCILLATOR

被引：3
|
作者：
Bizzarri, Federico [1 ]
Linaro, Daniele [1 ]
Storace, Marco [1 ]
Brambilla, Angelo [2 ]
机构：
[1] Univ Genoa, Dept Biophys & Elect Engn, I-16145 Genoa, Italy
[2] Politecn Milan, Dipartimento Elettron & Informaz, I-20133 Milan, Italy
来源：
JOURNAL OF CIRCUITS SYSTEMS AND COMPUTERS | 2010年 / 19卷 / 04期
关键词：
Phase/quadrature oscillator; continuation; boundary value problem; bifurcation;
D O I：
10.1142/S0218126610006438
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
An RF phase-quadrature oscillator is analyzed. The designer "ensured" the phase-quadrature working condition through a suitable cross-coupled electrical connection between the two parts composing the complete oscillator. Through a detailed analysis of the dynamics of this oscillator, we show that device mismatch can lead to an unexpected stable working mode where the oscillator does not operate in a phase-quadrature condition. The proposed analysis has been first performed on a simplified model of the oscillator to allow the use of software packages for numerical continuation. The results of the analysis of the simplified oscillator dynamics have been then checked by means of accurate device models from a 65 nm RF technology library.
引用
收藏
页码：773 / 785
页数：13
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