5.25 GHz CMOS cascode power amplifier for 802.11a wireless local area network

被引：3
|
作者：
Tu, S. H. -L. [1 ]
Chen, S. C. -H. [2 ]
机构：
[1] Fu Jen Catholic Univ, Dept Elect Engn, Taipei 24205, Taiwan
[2] Faraday Technol Corp, Mixed Signal Dev Div, Hsinchu 30064, Taiwan
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2008年 / 2卷 / 06期
关键词：
D O I：
10.1049/iet-map:20070272
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：
The authors investigate a 5.25 GHz highly integrated CMOS class-AB power amplifier for IEEE 802.11a wireless local area network. The proposed power amplifier is implemented with a two gain-stage structure which is followed by an off-chip output matching circuit. Moreover, transistor-level compensation techniques are employed to improve the linearity. The power amplifier is designed with an on-chip input matching circuit, whereas the output matching circuit translates the signal power from 50 to 20 Omega load resistance. The measured results indicate over 20% power-added efficiency, over 20 dBm output power and 28.6 dBm output IP3. All the specifications are based on 50 Omega input impedance at 2.4 V supply voltage.
引用
收藏
页码：627 / 634
页数：8
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