Analysis of nonlinear distortion in direct sampling mixers

被引：1

作者：

Ishii, Masaki ^{[1
]}

Araki, Kiyomichi ^{[1
]}

机构：

[1] Tokyo Inst Technol, Meguro Ku, Tokyo 1528552, Japan

来源：

2007 KOREA-JAPAN MICROWAVE CONFERENCE, TECHNICAL DIGEST | 2007年

关键词：

direct sampling mixer; nonlinear-distortion; MOS-switch; transconductance amplifier; software defined radio; AM/AM; EVM;

D O I：

10.1109/KJMW.2007.4402239

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：

Recently, improvement of CMOS process has made reconfigurable, single-chip digital transceiver possible. In a digital transceiver, Direct Sampling Mixer (DSM) is a circuitry that performs down-conversion, filtering, and decimation. Conventionally, an analysis of DSM has been treated by replacing each procedure into linear filters. However, because DSM has a nonlinear characteristic for its amplifier and switch, detail analysis can't be achieved by linear analysis. In this paper, we consider the nonlinear characteristic of DSM and show the simulation results of nonlinear distortion; AM/AM and EVM.

引用

页码：57 / 60

页数：4

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