A 140-μW Front-End With 5.7-dB NF and+10-dBm OOB-IIP3 Using Voltage-Mode Boosting Mixer

被引：3
|
作者：
Mohammadpour, Amin [1 ]
Manstretta, Danilo [1 ]
Castello, Rinaldo [1 ]
机构：
[1] Univ Pavia, Microelect Grp, I-27100 Pavia, Italy
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2021年 / 31卷 / 06期
关键词：
High linearity; mixer-first receiver; N-path filter; passive mixer; ultralow-power;
D O I：
10.1109/LMWC.2021.3066420
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 letter proposes an ultralow-power mixer-first front-end using voltage-mode boosting. The voltage gain is achieved passively by using capacitive stacking. By employing N-path filtering technique, this front-end achieves high outof-band (OOB) rejection which results in high in/OOB linearity. A prototype, composed of four-paths with six stages of switched capacitors, is fabricated in 28-nm CMOS technology, and achieves 29-dB gain, 5.7-dB noise figure (NF) and +10-dBm OOB-IIP3 while consuming less than 140 mu W.
引用
收藏
页码：729 / 732
页数：4
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