A digital-to-RF converter architecture suitable for a digital-to-RF direct-conversion software defined radio transmitter

被引：0
|
作者：
Yamaji, T [1 ]
Yasuda, A [1 ]
Tanimoto, H [1 ]
Suzuki, Y [1 ]
机构：
[1] Toshiba Corp, Ctr Res & Dev, Kawasaki, Kanagawa 2128582, Japan
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2000年 / E83B卷 / 06期
关键词：
DAC; digital-to-RF direct-conversion; software defined radio; Delta Sigma modulation;
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：
An architecture for a digital-to-RF converter For a software defined radio (SDR) transmitter is proposed. The ideal hardware architecture for an SDR is a digital-signal to RF-signal direct conversion transmitter. However no conventional digital-to-analog converter (DAC) lias converted over 1-GHz RF signal with enough resolution, in the present condition. In this paper, a digital-to-RF direct converter architecture using a Delta Sigma modulation technique is proposed for the amplitude-phase modulated signal. The experimental results show that the proposed direct converter outputs a sufficiently accurate signal.
引用
收藏
页码：1254 / 1260
页数：7
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