A 0.7-7 GHz wideband reconfigurable receiver RF front-end in CMOS

被引：0

作者：

Zhang, Youming ^{[1
]}

Yang, Lijuan ^{[1
]}

Huang, Fengyi ^{[1
,2
]}

Jiang, Nan ^{[2
]}

Zhang, Xuegang ^{[1
]}

机构：

[1] Southeast Univ, Sch Informat Sci & Engn, Inst RF & OE ICs, Nanjing 210096, Jiangsu, Peoples R China

[2] S TEK Shanghai High Frequency Commun Technol Co L, Shanghai 201203, Peoples R China

来源：

JOURNAL OF SEMICONDUCTORS | 2018年 / 39卷 / 08期

关键词：

wideband LNA; resistive-feedback; CMOS; passive mixer;

D O I：

10.1088/1674-4926/39/8/085003

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

A 0.7-7 GHz wideband RF receiver front-end SoC is designed using the CMOS process. The front-end is composed of two main blocks: a single-ended wideband low noise amplifier (LNA) and an in-phase/quadrature (I/Q) voltage-driven passive mixer with IF amplifiers. Based on a self-biased resistive negative feedback topology, the LNA adopts shunt-peaking inductors and a gate inductor to boost the bandwidth. The passive down-conversion mixer includes two parts: passive switches and IF amplifiers. The measurement results show that the front-end works well at different LO frequencies, and this chip is reconfigurable among 0.7 to 7 GHz by tuning the LO frequency. The measured results under 2.5-GHz LO frequency show that the front-end SoC achieves a maximum conversion gain of 26 dB, a minimum noise figure (NF) of 3.2 dB, with an IF bandwidth of greater than 500 MHz. The chip area is 1.67 x 1.08 mm(2).

引用

页数：4

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