| 基于Doherty技术的RF高效率大功率放大电路的设计与分析 |
| |
| 引用本文： | 宋汉斌,陈晓光.基于Doherty技术的RF高效率大功率放大电路的设计与分析[J].电路与系统学报,2008,13(6). |
| |
| 作者姓名： | 宋汉斌 陈晓光 |
| |
| 作者单位： | 复旦大学,通信科学与工程系,上海,200433 |
| |
| 摘 要： | 基于可以有效提高放大器效率的Doherty技术,本文提出并实现了大功率射频放大电路的设计方法.采用摩托罗拉公司的MRF23140芯片,运用Pspice、Protei、ADS(Advanced Design System)等开发软件,实现了包括直流偏置电路、保护电路、匹配滤波电路、负载牵引电路以及射频放大电路在内的整体设计,并给出了对系统增益、系统效率、系统电流分布、回波损耗等指标的仿真结果.
|
| 关 键 词： | 射频放大器 系统效率 |
Design and analysis of large-power RF amplifier circuit with high efficiency based on Doherty technology |
| |
| SONG Han-bin,CHEN Xiao-guang.Design and analysis of large-power RF amplifier circuit with high efficiency based on Doherty technology[J].Journal of Circuits and Systems,2008,13(6). |
| |
| Authors: | SONG Han-bin CHEN Xiao-guang |
| |
| Affiliation: | SONG Han-bin,CHEN Xiao-guang(Dept.of Communication Science , Engineering,Fudan University,Shanghai 200433,China ) |
| |
| Abstract: | Based on Doherty technology which improves the efficiency of amplifiers evidently, a design scheme of large-power amplifier is presented in this paper.MRF23410 chips and the software such as Pspice, Protel, ADS are applied to realization of modules including DC bias circuit, protection circuit, matching and filter circuit, load-pull circuit and RF amplifier circuit.Simulation results of system gain, efficiency, current distribution and return loss are provided at last. |
| |
| Keywords: | Doherty MRF23140 |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
