0.8-5.2GHz band SiGe-MMIC Q-MOD for multi-band multi-mode direct convertion transmitters

被引:0
|
作者
Suematsu, Noriharu [1 ]
Kageyama, Chiemi [1 ]
Nakajima, Kensuke [1 ]
Tsutsumi, Kouji [1 ]
Taniguchi, Eiji [1 ]
Murakami, Keishi [1 ]
机构
[1] Mitsubishi Electr Corp, Informat Technol R&D Ctr, Kamakura, Kanagawa 2478501, Japan
关键词
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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 order to realize multi-band multi-mode transmitters for the 4(th) generation mobile communication systems based on software define radio (SDR) technology, 0.8-5.2GHz broad-band direct conversion quadrature modulator (Q-MOD) has been fabricated in 0.35 mu m SiGeBiCMOS process. The circuit combination of a static frequency divider and a poly phase filter (PPF) enables higher 90degree phase accuracy than that of the static frequency divider alone. By employing this 90 degree power divider, the fabricated Q-MOD achieves EVM of 4.0/3.1%rms at 0.8/2.1GHz W-CDMA transmission and 2.5%rms at 5.2GHz Wireless-LAN (IEEE 802.11a) transmission.
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页码:1600 / 1603
页数:4
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