一种低功耗宽锁定范围注入锁定式分频器  

Low Power Injection-Locked Frequency Divider with Wide Locking Range

作　　者：杨骁[1] 凌朝东[1] 黄炜炜[1] 刘一平[1] 谢应辉 

机构地区：[1]华侨大学信息科学与工程学院,福建厦门361021 [2]北京微电子研究所,北京100076

出　　处：《微电子学》2014年第2期178-181,共4页Microelectronics

基　　金：福建省科技计划重点项目(2013H0029);中央高校基本科研业务费资助项目(JB-ZR1128)

摘　　要：设计了一种低功耗宽锁定范围的注入锁定式2倍分频器。该分频器基于环形振荡器结构,能够产生正交混频器所需的正交本征信号。分频器的环形振荡器采用两级结构,而不是多级结构,降低了功耗。采用TSMC 0.18μm CMOS工艺进行电路和版图设计。寄生参数提取后的仿真结果表明,该分频器频率锁定范围为3~12GHz,在1.8V电源电压下的最大功耗仅为1.8mW,具有低功耗、宽锁定范围的特点。A low-power divide-by-2injection-locked frequency divider（ILFD）with wide locking range was designed based on ring oscillator.The ILFD could provide quadrature local oscillating signals for quadrature mixer. Instead of multi-stage ring oscillator,a 2-stage ring oscillator was adopted for the divider to reduce power consumption.Circuit and layout design were conducted based on TSMC＇s 0.18μm CMOS process.Post-simulation with parasitic parameter extraction showed that the ILFD had a wide locking range from 3GHz to 12GHz,and it dissipated a maximum power of 1.8mW from 1.8Vsupply.

关 键 词：分频器 环形振荡器 注入锁定 

分 类 号：TN432[电子电信—微电子学与固体电子学]