射频功放并发三波段匹配电路分析和设计
PDF下载 (424)张 勋,叶 焱 *,刘太君,王 洋.射频功放并发三波段匹配电路分析和设计[J].宁波大学学报(理工版),2015,28(02):32-35.DOI:
ZHANG Xun,YE Yan *,LIU Tai-jun,WANG Yang.Analysis and Design: Concurrent Tri-band Matching Circuit for RF Power Amplifiers[J].Journal of Ningbo University(Natural Science & Engineering Edition),2015,28(02):32-35.DOI:
| Title: | Analysis and Design: Concurrent Tri-band Matching Circuit for RF Power Amplifiers |
| 作者: | 张 勋, 叶 焱 *, 刘太君, 王 洋 |
| Author(s): | ZHANG Xun, YE Yan *, LIU Tai-jun, WANG Yang |
| 关键词: | 射频功放; 三波段; 匹配电路; 微带传输线; 并联微带枝节 |
| Keywords: | RF power amplifiers; tri-band; matching circuit; microstrip transmission line; parallel microstrip stub |
| 分类号: | TM933 |
| 文献标识码: | A |
| 摘要: | 针对射频功放的并发多波段匹配问题, 提出了一种并发三波段匹配电路, 可以将功放管在任意3个频点处的不同输入或输出阻抗值匹配到50Ω. 首先串联微带传输线把复阻抗变换到归一化电导为1的电导圆上; 然后采用在匹配频点处等效所需要电纳的并联微带枝节, 同时在另2个频点等效开路, 从而实现在各频点上将任意阻抗转换到50Ω系统阻抗; 最后通过对匹配电路进行仿真设计, 验证此方法的可行性. 由于匹配电路采用分布参数微带线, 因此更加适用于高频率高功率并发多波段射频功放的设计. |
| Abstract: | In this paper, in order to solve the multi-band matching problems with RF power amplifiers, a concurrent tri-band matching circuit is designed, which can convert arbitrary different input or output impedances of power amplifier transistors into 50 ohms at three different frequency points. At first, the matching network utilizes microstrip transmission line in series to convert the complex impedance to the normalized unit conductance circle. Then, the parallel microstrip stubs are used to produce the required susceptance at the current matching frequency point with the parallel microstrip stub being equivalent to open stubs. In so doing, it can convert an arbitrary impedance to 50 ohm. Finally, the feasibility of this method is validated simulating the matching network. It is found that the matching circuit is more suitable for high power and frequency concurrent multi-band RF PA design due to the use of distributed parameter microstrip transmission. |
| 参考文献 /References: | [1] Ji S H, Cho C S, Lee J W, et al. Concurrent dual-band class-E power amplifier using composite right/left- handed transmission lines[J]. IEEE Transactions on Microwave Theory and Techniques, 2007, 55(6):1341- 1347. [2] Genc A, Baktur R. Dual-and triple-band Wilkinson power dividers based on composite right-and left-handed transmission lines[J]. IEEE Transactions on Components, Packaging and Manufacturing Technology, 2011, 1(3): 327-334. [3] Silva F G S, Delima R N, Freire R C S, et al. A switchless multiband impedance matching technique based on multiresonant circuits[J]. IEEE Transactions on Circuits and Systems II: Express Briefs, 2013, 60(7):417-421. [4] Mahmoud M A M, Boumaiza S, Mansour R R. Reconfigurable Doherty power amplifier for multi- frequency wireless radio systems[J]. IEEE Transactions on Microwave Theory and Techniques, 2013, 61(4): 1588-1598. [5] Orfanidis S J. A two-section dual-band Chebyshev impedance transformer[J]. IEEE Microwave and Wireless Components Letters, 2003, 13:382-384. [6] Chuang M L. Dual-band impedance transformer using two-section shunt stubs[J]. IEEE Transactions on Microwave Theory and Techniques, 2010, 58(5):1257- 1263. [7] Wu Y L, Liu Y A, Li S L, et al. A generalized dual- frequency transformer for two arbitrary complex frequency-dependent impedances[J]. IEEE Microwave and Wireless Components Letters, 2009, 19(12):792-794. [8] Liu X, Liu Y A, Li S L, et al. A three-section dual-band transformer for frequency-dependent complex load impedance[J]. IEEE Microwave and Wireless Components Letters, 2009, 19(10):611-613. |
| 备注/Memo: | 收稿日期: 2014－08－19. 宁波大学学报（理工版）网址: http://journallg.nbu.edu.cn/基金项目: 国家自然科学基金（61171040）; 浙江省自然科学基金（Y1101270）; 宁波大学学科项目（XKL141038）.第一作者: 张勋（1989－）, 男, 安徽淮北人, 在读硕士研究生, 主要研究方向: 射频场效应器件模型及其应用. E-mail: ruoshui365@yeah.net*通信作者: 叶焱（1966－）, 女, 云南昆明人, 副研究员, 主要研究方向: 高效射频功放设计. E-mail: yeyan@nbu.edu.cn 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
