High performance, wide tuning range 65nm CMOS tunable Voltage Controlled Ring Oscillator up to 11 GHz

被引：5

作者：

Samaras, Dimitrios ^{[1
]}

Hatzopoulos, Alkis ^{[1
]}

机构：

[1] Aristotle Univ Thessaloniki, Dept Elect & Comp Engn, Thessaloniki, Greece

来源：

2020 9TH INTERNATIONAL CONFERENCE ON MODERN CIRCUITS AND SYSTEMS TECHNOLOGIES (MOCAST) | 2020年

关键词：

CMOS Ring Oscillators; PLL; VCO; VCRO; TVCRO; Delay Elements; High speed serial interfaces;

D O I：

10.1109/mocast49295.2020.9200291

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：

This work proposes a novel tunable Voltage Control Ring Oscillator (VCRO), which exhibits high performance in terms of phase noise and wide tuning range. This oscillator is designed to achieve an output frequency range between 2.4 and 11GHz. The proposed oscillator utilizes a band selection technique, in order to maintain an almost constant Kvco equal to 4.6GHz/V. In addition, a current trimming source is used in order to compensate over process and temperature variations. Finally, the oscillator is designed using 65nm CMOS process with a supply voltage of 1V featuring -88.4dBc/Hz phase noise, almost rail-to-rail differential output and 20mA maximum current consumption at 11GHz.

引用

页数：4

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