Injection-Locked Frequency Divider Using Injection Mixer DC-Biased in Sub-threshold

被引：20
作者：
Jang, Sheng-Lyang [1 ]
Huang, Li-Yu [1 ]
Hsue, Ching-Wen [1 ]
Huang, Jhin Fang [1 ]
机构：
[1] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei, Taiwan
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2015年 / 25卷 / 03期
关键词：
Divide-by2; dual-band; ILFD; locking range; subthreshold; voltage swing; LOCKING RANGE;
D O I：
10.1109/LMWC.2015.2391996
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 wide locking range CMOS LC-tank injection locked frequency divider (ILFD) is proposed and it uses a pre-amplifier stage in series with a post-injection mixer. The injection signal is fed to a pre-amplifier to enhance the injection signal at the post-mixer gate in the divide-by-2 ILFD. The gate of mixer is biased in sub-threshold to provide large output voltage. At the supply voltage of 0.85 V, tunable free-running low-frequency band from 3.23 to 3.59 GHz and high-band from 1.71 to 1.73 GHz are found. The low-/high-band locking range is (61.7%) from 2.8 to 5.3 GHz/(64.9%) from 5.1 similar to 10.0 GHz.
引用
收藏
页码：193 / 195
页数：3
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