A 27-GHz Low-Power Push-Push LC VCO with Wide Tuning Range in 65nm CMOS

被引：0

作者：

Molavi, Reza ^{[1
,2
]}

Mirabbasi, Shahriar ^{[1
]}

Djahanshahi, Hormoz ^{[2
]}

机构：

[1] Univ British Columbia, Dept Elect & Comp Engn, Vancouver, BC V5Z 1M9, Canada

[2] PMC Sierra, Burnaby, BC, Canada

来源：

2011 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS) | 2011年

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Push-push voltage-controlled oscillators (VCOs) achieve high oscillation frequencies by relying on the boosted second harmonic component of the oscillator. These VCOs however, typically require a high power to deliver a reasonable output swing. In this paper, we first derive an analytical expression that relates the amplitude of the second harmonic of an LC VCO to the C-V characteristics of its varactor. Then based on the results of the analysis, we present the design of a low-power and compact 27-GHz push-push VCO in 65 nm CMOS that exhibits a 28.5% tuning range while consuming 21 mW (including buffers) from a 1 V supply. At 27-GHz output, the VCO achieves a phase noise of -101 dBc/Hz at 1-MHz offset.

引用

页码：1141 / 1144

页数：4

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