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四阶Doherty功率放大器效率分析与设计

Design and efficiency analysis of four-stage Doherty power amplifier
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摘要 在OFDM系统中,已有的二阶与三阶Doherty功率放大器的峰值效率范围无法满足要求,为此提出四阶Doherty放大器的结构设计,并对四阶Doherty放大器进行理论分析,得到相对应的效率计算公式.通过ADS软件对四阶Doherty放大器进行仿真,得到预期的结果. AS in the OFDM system, the peak efficiency range of two - stage and three - stage Doherty power amplifier can＇ t meet the requirements, we put forward the structure design of four - stage Do- herty amplifier, and make the theoretical analysis, also get the corresponding efficiency calculation for- mulas. We have done the simulation for four - stage Doherty amplifier through the ADS software, and get the desired results
作者 陈俊 苏凯雄 姚金聪
机构地区 福州大学物理与信息工程学院
出处 《福州大学学报（自然科学版）》 CAS CSCD 北大核心 2013年第6期1035-1039,共5页 Journal of Fuzhou University(Natural Science Edition)
基金 福建省教育厅科研资助项目(JK2012006) 福州大学科技发展基金资助项目(2011-XY-23)
关键词 四阶Doherty 放大器 效率 four- stage Doherty amplifier efficiency
分类号 TN928 [电子电信—通信与信息系统]
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参考文献7

  • 1Doherty W H. A new high efficiency power amplifier for modulated waves [ C ]//Proceedings of the Institute of Radio Engineers. Is. 1. ]: IEEE,1936, 24(9): 1 163 -1 182.
  • 2陈俊,苏凯雄,姚金聪,吴怡.新型三路Doherty功放的设计[J].微波学报,2012,28(4):60-64. 被引量：3
  • 3Yang Y, Cha J, Shin B, et al. A fully matched N - way Doherty amplifier with optimized linearity [ J ]. IEEE Transactions on Microwave Theory and Techniques, 2003, 51 (3) : 986 - 993.
  • 4Srirattana N, Raghavan A, Heo D, et al. Analysis and design of a high - efficiency multistage Doherty power amplifier for wire- less communications [ J]. IEEE Transactions on Microwave Theory and Techniques, 2005, 53 (3) : 852 -860.
  • 5Markos A Z, Bathich K, Golden F, et al. A 50 W unsymmetrical gan Doherty amplifier for LTE applications[C]//Proceedings of the 40th Europeam Microwave Conference. Paris : IEEE, 2010 : 28 - 30.
  • 6Neo W C E, Qureshi J, Pelk M J, et al. A mixed - signal approach towards linear and efficient N - way Doherty amplifier [ J ]. IEEE Transactions on Microwave Theory and Techniques, 2007, 55(5) : 866 -879.
  • 7Yao Jin- cong, Shen Guo- qing, Zhang Guang -fei, et al. A novel four- stage 200W Doherty power amplifier for DVB -T transmitter [ C]//2012 International Conference on Microwave and Millimeter Wave Technology, 2012, 1 : 1 -3.

二级参考文献10

  • 1Markos A Z, Bathich K, Golden F, et al. A 50 W un- symmetrical GaN Doherty amplifier for LTE applications [ A]. Proceedings of the 40th Europeam Microwave Con- ference[C]. Paris, France. 2010:28-30.
  • 2Yang Y, Cha J, Shin B, et al. A fully matched N-way Doherty amplifier with optimized linearity [ J ]. IEEE Trans on Microwave Theory and Techniques, 2003, 51 (3) :986-993.
  • 3Srirattana N, Raghavan A, Heo D, et al. Analysis and design of a high-efficiency multistage Doherty power am- plifier for wireless communications [ J ]. IEEE Trans Microwave Theory and Techniques, 2005, 53 (3) : 852- 860.
  • 4Kim Bumman, Kim Ildu, Moon Junghwan. Advanced Doherty architecture [ J ]. IEEE Microwave Magazine, 2010, (8) : 72-86.
  • 5Cripps S C. RF Power Amplifiers for Wireless Communi- cations[ M ]. Boston: Artech House Inc, 2000. 64.
  • 6Raab F H. Efficiency of Doherty RF power amplifier sys- tems[J]. IEEE Trans on Broadcasting, 1987, 33(3): 77-83.
  • 7Suo Hai-lei, Bao Jing-fu. Three-way Doherty power ampli- fier with uneven power drive [ A ]. 2008 11 th IEEE Inter- national Conference on Communication Technology Pro- ceedings[C]. 2008. 293-296.
  • 8Edmund Neo W C, Qureshi J, Pelk M J, et al. A mixed-signal approach towards linear and efficient N- way Doherty amplifier [ J ]. IEEE Trans on Microwave Theory and Techniques, 2007, 55 (5) : 866-879.
  • 9Yang Y, Yi J, Woo Y Y, et al. Optimum design for lin- earity and efficiency of a microwave Doherty amplifier u- sing a new load matching technique [ J ]. Microwave Journal, 2001,44:20 - 36.
  • 10向永波,王光明.线性Doherty功放的优化设计[J].微波学报,2010,26(1):72-75. 被引量：15

共引文献2

福州大学学报（自然科学版）
2013年 第6期

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