Design of a 50-W Power Amplifier With Two- Octave Bandwidth and High-Efficiency Using a Systematic Optimization Approach

被引：16
作者：
Ghazizadeh, Mohammad [1 ]
Nayyeri, Vahid [1 ]
机构：
[1] Iran Univ Sci & Technol, Sch Adv Technol, Antenna & Microwave Res Lab, Tehran 1684613114, Iran
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2021年 / 31卷 / 05期
关键词：
Impedance; Harmonic analysis; Manganese; Frequency measurement; Wireless communication; Wideband; Transistors; Broadband matching network (MN); efficiency; harmonic-tunning; load-pull; wideband power amplifiers (PAs); HARMONIC CLIPPING CONTOURS;
D O I：
10.1109/LMWC.2021.3069508
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：
A wideband and highly efficient power amplifier (PA) is designed using a simple and systematic approach. This method employs an optimization process to set the input impedance of the matching networks in optimal regions on the Smith chart, obtained using conventional load-pull/source-pull simulations, in both the fundamental and second harmonics. The developed design method led to a GaN PA whose measurements showed an output power of 46.8-48.1 dBm and a drain efficiency of 57%-71% in a two-octave bandwidth from 0.8 to 3.2 GHz.
引用
收藏
页码：501 / 504
页数：4
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