A direct digital RF amplitude modulator

被引：0
|
作者：
Zhou, Y [1 ]
Yuan, H [1 ]
机构：
[1] Lund Univ, Dept Electrosci, Competence Ctr Circuit Design, S-22100 Lund, Sweden
来源：
2002 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL I, PROCEEDINGS | 2002年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper describes a direct digital RF amplitude modulator, which uses a 10-bit linear interpolation current steering digital to analog converter (DAC) and a Gilbert cell mixer to generate an RF amplitude modulated signal directly. The linear interpolation increases the attenuation of the DAC's image components. The low pass filter (LPF) is eliminated, and the RF transmitter structure can be simplified. This modulator is suitable for realizing the system-on-chip design. The chip has been fabricated in a 0.35mum, 3.3V digital CMOS process.
引用
收藏
页码：141 / 144
页数：4
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