High-efficiency balanced power amplifier using miniaturized harmonics suppressed coupler

被引：48

作者：

Hookari, Mohsen ^{[1
]}

Roshani, Saeed ^{[1
]}

Roshani, Sobhan ^{[1
]}

机构：

[1] Islamic Azad Univ, Dept Elect Engn, Kermanshah Branch, Kermanshah, Iran

来源：

INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING | 2020年 / 30卷 / 08期

关键词：

balanced power amplifier; coupler; resonator; LC equivalent circuit; transfer function; BRANCH-LINE COUPLER; DIVIDER; DESIGN;

D O I：

10.1002/mmce.22252

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

A novel balanced power amplifier (BPA) using compact coupler with rhombus resonators is presented. In this design, a new method is presented to analyze the proposed rhombus-shaped resonator based on the LC equivalent circuit. A new class F power amplifier is designed to improve performances of the BPA. The results show that the performance of the proposed BPA is improved by using the proposed harmonic suppressed coupler at the design structure. The designed BPA operates at 1.25 GHz and delivers 29 dB output power with a gain of 17.9 dB and drain efficiency (DE) of 65.2%. The presented BPA is realized using ATF-34143 transistors in GaAs pHEMT technology and fabricated on the RT/Duroid 5880 substrate with a thickness of 31 mil.

引用

页数：11

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