Techniques for Improving CMOS VCO Performance

被引：0
|
作者：
Heng, Chun-Huat [1 ]
Bansal, Amit [1 ]
Cheng, San Jeow [1 ]
机构：
[1] Natl Univ Singapore, Singapore 129789, Singapore
来源：
2009 IEEE INTERNATIONAL SYMPOSIUM ON RADIO-FREQUENCY INTEGRATION TECHNOLOGY (RFIT 2009) | 2009年
关键词：
CMOS; VCO; phase noise; tuning range; PHASE-NOISE; OSCILLATOR;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper, we review some of the well known techniques for improving the performance of CMOS tail current bias LC VCO, such as the phase noise and the tuning range. Based on the better understanding on VCO phase noise mechanism and tuning range limitations, this has lead to newly developed techniques such as noise cancellation VCO and resistively tuned variable inductor, which help improving the VCO performance. The former technique achieves FOM of -186dBc/Hz while the latter le ads to wide tuning range VCO of 56% suitable for tuner application.
引用
收藏
页码：340 / 344
页数：5
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