Fully differential Ultra-wideband LNA-Mixer for K to Ka Band receiver in 45nm CMOS SOI technology

被引：0

作者：

Wang, Yu ^{[1
]}

Cui, Jie ^{[1
]}

Zhang, Renli ^{[1
]}

Sheng, Weixing ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing, Peoples R China

来源：

PROCEEDINGS OF THE 2019 IEEE ASIA-PACIFIC MICROWAVE CONFERENCE (APMC) | 2019年

关键词：

LNA-mixer; resistive feedback network; capacitance cross coupling network; single ended to balanced; inductive resonance technique;

D O I：

10.1109/apmc46564.2019.9038526

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

This paper presents a fully differential ultra-wideband LNA-Mixer for K to Ka Band receiver in 45nm CMOS SOI technology. In the LNA stage, a resistive feedback network and a capacitance cross coupling network are adopted to achieve low noise figure and wideband input matching over the desired bandwidth. In addition, by adding another transistor in the first stage circuit to invert the signal, the LNA realizes a function of single ended to balanced. The mixer stage utilizes an inductive resonance technique to compensate noise degradation and conversion gain degradation at high frequency due to parasitic capacitance. This LNA-mixer exhibits a high and flat conversion gain of 26.2 +/- 0.5 dB and a noise figure from 4.2 to 7dB over the desired frequency ranging from 18 to 40GHz. The input and output reflection loss are all less than 13 dB.

引用

页码：16 / 18

页数：3

共 35 条

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