Analysis of Wide Tuning Range CMOS VCO With Active Inductors

被引：1

作者：

Filanovsky, I. M. ^{[1
]}

Reja, Md. Mahbub ^{[1
]}

Verhoeven, C. J. M. ^{[2
]}

机构：

[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB, Canada

[2] Delft Univ Technol, Elect Res Lab, Delft, Netherlands

来源：

53RD IEEE INTERNATIONAL MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS | 2010年

关键词：

Nonlinear circuits; nonlinear oscillations; quasi-sinusoidal oscillations; relaxation oscillations; van der Pol oscillator;

D O I：

10.1109/MWSCAS.2010.5548569

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Operation of a wide tuning range CMOS voltage-controlled oscillator (VCO) utilizing active inductors is described. The oscillator is based on LC cross-coupled topology with tunable active inductors replacing the passive ones. The operation embraces sinusoidal, transitional, and relaxation regimes. The wide tuning frequency range is achieved by this continuous change of operation regime. The qualitative description is given using the pole placement root locus. The quantitative calculations of amplitude and frequency are done using the van der Pol model. The oscillator was designed and simulated in 90nm CMOS process. The operation was confirmed for output frequency ranging from 500 MHz to 10.3 GHz.

引用

页码：93 / 96

页数：4

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