Design of a 1.8V high frequency CMOS variable gain amplifier with a novel dB-linear gain structure

被引：0

作者：

Hu, W ^{[1
]}

Song, S ^{[1
]}

Choi, B ^{[1
]}

Kim, JW ^{[1
]}

机构：

[1] Samsung Elect, Syst LSI, Yongin 449711, Gyeonggi Do, South Korea

来源：

2004 47TH MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL I, CONFERENCE PROCEEDINGS | 2004年

关键词：

D O I：

暂无

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, a novel dB-linear gain structure is introduced. Based on this structure, a high frequency and high dynamic range variable gain amplifier (VGA) is presented. The VGA circuit is designed for a satellite receiver application, operating from 95OMHz to 2.15GHz. Simulation results were achieved using 0.18mum CMOS technology, and shown a good dB-linear control characteristic with dynamic gain range of 85dB.

引用

页码：125 / 128

页数：4

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