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.
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页码：125 / 128
页数：4
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