W-CDMA High Power Amplifier using Anti-Phase Intermodulation Distortion Linearization Technology

被引：0
|
作者：
Do, Ji-Hoon [1 ]
Kang, Won-Tae [1 ]
Jang, Jeong-Seok [1 ]
Hong, Ui-Seok [1 ]
机构：
[1] Kwangwoon Univ, Dept Radio Sci & Engn, Seoul 139701, South Korea
来源：
2007 ASIA PACIFIC MICROWAVE CONFERENCE, VOLS 1-5 | 2007年
关键词：
Anti-phase; IMD; Linearization; WCDMA; HPA;
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：
This paper shows how the ACLR of power amplifier can be reduced by using Anti-phase MID linearization technique which generate And-phase MID in the driver stage compare to output stage's IMD. Brief theory and design process are proposed. From the experimental result of 4-carriers W-CDMA input signal, this amplifier has ACLR -55dBc@5MHz offset at 44.7dBm(30watts) average output power. Compare to optimum matching technique to get maximum power gain, this technique has been improved ACLR by 12dBc.
引用
收藏
页码：631 / 634
页数：4
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