Broadband power amplifier using hairpin bandpass filter matching network

被引：23
|
作者：
Haider, Muhammad Furqan [1 ]
You, Fei [1 ]
Shi, Weimin [1 ]
Ahmad, Shakeel [2 ]
Qi, Tian [1 ]
机构：
[1] Univ Elect Sci & Technol China, Chengdu, Peoples R China
[2] King Abdulaziz Univ, FCITR, Jeddah, Saudi Arabia
来源：
ELECTRONICS LETTERS | 2020年 / 56卷 / 04期
基金：
中国国家自然科学基金;
关键词：
impedance matching; microwave filters; microstrip filters; band-pass filters; Chebyshev filters; low-pass filters; microwave power amplifiers; highly selective bandpass response; spurious-free fundamental impedance matching; broadband PA-filter component; broadband power amplifier; output microstrip hairpin bandpass filter; fifth-order Chebyshev low-pass prototype element values; even-odd mode impedance analysis; filter parameters; hairpin bandpass filter matching network; frequency; 1; 9 GHz to 3; GHz; efficiency 48 percent to 56; 6; percent;
D O I：
10.1049/el.2019.3047
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：
This Letter presents a new combination of a broadband power amplifier (PA) and an output microstrip hairpin bandpass filter. The filter is designed based on the fifth-order Chebyshev low-pass prototype element values. Even-odd mode impedance analysis is used to calculate the filter parameters. Meanwhile, only the fundamental impedance matching is considered for this design. Therefore, a highly selective bandpass response is obtained to provide a spurious-free fundamental impedance matching. For verification, a broadband PA-filter component across 1.9-3.1 GHz (48%) is designed and fabricated. Measurements have shown a drain efficiency of 48-56.6% with 39.3-40.5 dBm of maximum output power.
引用
收藏
页码：182 / +
页数：3
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