Characterization of Nonlinearities in a Class-J Power Amplifier

被引：0
|
作者：
Bukvic, Branko [1 ]
Ilic, Milan M. [2 ]
机构：
[1] IMTEL Komunikacije Ad, Blvd Mihajla Pupina 165b, Belgrade 11070, Serbia
[2] Univ Belgrade, Sch Elect Engn, Blvd Kralja Aleksandra 73, Belgrade 11120, Serbia
来源：
2017 25TH TELECOMMUNICATION FORUM (TELFOR) | 2017年
关键词：
ACPR; class-J; high-efficiency; microwave power amplifier; nonlinearities;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
We characterize the nonlinearities of a novel 10 W class-J power amplifier (PA) with a carrier at 1.5 GHz. We employ both numerical simulations and real time adjacent channel power ratio (ACPR) measurements on a fabricated prototype. The measurements are performed for a wideband code division multiple access (WCDMA) signal with 10.5 dB peak-to-average power ratio (PAPR) and 3.84 MHz bandwidth. For a 31.4 dBm modulated output power, the measured ACPR in the lower and upper adjacent channels was 37.89 dBc and 36.82 dBc, respectively, without predistortion.
引用
收藏
页码：135 / 138
页数：4
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