A 34% Tuning Range CMOS VCO with Linear Frequency Tuning

被引：0

作者：

Koo, Kwang-Hoe ^{[1
]}

Yoon, Sang-Woong ^{[1
]}

Kim, Chang-Woo ^{[1
]}

机构：

[1] Kyung Hee Univ, Dept Elect & Radio Engn, Youngin Si 446701, Gyeonggi Do, South Korea

来源：

RWS: 2009 IEEE RADIO AND WIRELESS SYMPOSIUM | 2009年

关键词：

CMOS; voltage controlled oscillator; tuning range; linear frequency tuning;

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：

A CMOS voltage controlled oscillator(VCO) with additional parallel resistors in its LC resonator has been proposed to improve the tuning (frequency-to-voltage) linearity and reduce the tuning sensitivity K-VCO. The VCO is linearly tunable from 806 to 1,113 MHz with a 34% tuning range controlled linearly by the tuning voltage. The phase noise of the VCO is -100.4 dBc/Hz at 100-kHz offset frequency from 903 MHz carrier. The supply voltage was 1.8V with the current of 2.5 mA flowing through the differential core. The chip size is 0.815 x 0.680 mm(2), which has been fabricated in a standard 180-nm CMOS technology.

引用

页码：279 / 282

页数：4

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