A low phase noise wide tuning range CMOS quadrature VCO using cascade topology

被引：2
|
作者：
Wang, CS [1 ]
Kao, SW [1 ]
Huang, PC [1 ]
机构：
[1] Natl Taiwan Univ, MTK Res Wireless Lab, Taipei 10764, Taiwan
来源：
PROCEEDINGS OF 2004 IEEE ASIA-PACIFIC CONFERENCE ON ADVANCED SYSTEM INTEGRATED CIRCUITS | 2004年
关键词：
D O I：
10.1109/APASIC.2004.1349430
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 new fully integrated 2.4GHz CMOS quadrature voltage control oscillator (VCO) is presented. It achieves low phase noise at quadrature outputs using the proposed cascade coupling topology. Digitally-controlled capacitor bank is designed for wide tuning range from 2.4 to 2.9GHz. By a standard 0.25mum single-poly CMOS process with thick top metal, total power consumption of two VCO cores and buffers for generating quadrature signal are 6mA and 12mA respectively. Measured phase noise at 1MHz offset from the center frequency is -114dbc/Hz.
引用
收藏
页码：138 / 141
页数：4
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