A low noise vector modulator with integrated basebandfilter in 120 nm CMOS technology

被引：3
|
作者：
Simon, M [1 ]
Weigel, R [1 ]
机构：
[1] Infineon Technol, D-81369 Munich, Germany
来源：
2003 IEEE RADIO FREQUENCY INTEGRATED CIRCUITS (RFIC) SYMPOSIUM, DIGEST OF PAPERS | 2003年
关键词：
D O I：
10.1109/RFIC.2003.1213973
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：
A low noise vector - modulator for cellular systems with integrated baseband filter has been developed in 120 nm CMOS technology. The baseband filter is an anti-aliasing filter for the digital to analogue converter of the baseband that has been build around a differential amplifier with 3(rd) order butterworth low pass characteristic. High linearity and low output noise can be achieved for the modulator due to the current interface between the baseband filter and the mixer cells. The GSM specification for emitted noise into the receive band can be fulfilled without using a duplex filter behind the power amplifier output.
引用
收藏
页码：409 / 412
页数：4
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