5.8-GHz merged LNA-mixer with on-chip balun

被引：2

作者：

Chen, HK ^{[1
]}

Sha, JR ^{[1
]}

Chang, DC ^{[1
]}

Juang, YZ ^{[1
]}

Chiu, CF ^{[1
]}

机构：

[1] Natl Appl Res Labs, Natl Chip Implementat Ctr, Hsinchu 300, Taiwan

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2006年 / 48卷 / 03期

关键词：

SiGe; receiver; LNA; mixer; single-ended RF input; balun; transformer;

D O I：

10.1002/mop.21394

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：

In this paper, the design and application of an on-chip transformer balun for RFIC is presented. Single-ended primary and differential secondary are constructed without using three individual windings for simple layout. Besides, this new topology has the same physical common visual ground point for second winding, which eliminates imbalance due to the potential difference at the ground from a conventional trifilar. Furthermore, this new on-chip balun is successfully, applied to the integration of a 5.8-GHz low-noise amplifier (LNA) mixer implemented on SiGe 0.35-mu m BiCMOS process then achieves 4.15-dB noise figure (NF), 34.61-dB conversion gain, and a -9.5-dBm input 3(rd)-order intercept-point with low power consumption of 9 mW. (c) 2006 Wiley Periodicals, Inc.

引用

页码：508 / 511

页数：4

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