{"title":"A Broadband PA With Complementary Matching to Get High Impedance Transformation Ratio of 125 With 60% Bandwidth on Two-Layer HBT Process","authors":"Wenhuan Han;Weiwei Dong;Zhongming Xue;Li Geng","doi":"10.1109/LMWT.2024.3386874","DOIUrl":null,"url":null,"abstract":"This letter presents a two-stage broadband power amplifier (BPA) employing a complementary matching technique with a vertically coupling transformer (VCT) and a capacitor–capacitor transformer (CCT). The design achieves an ultrahigh impedance transformation ratio (ITR) of 125 at inter-stage, enabling effective matching over a relative bandwidth (RBW) exceeding 60%. Measured results show the fabricated PA delivers a saturated output power of 31.9–33.5 dBm and a gain of 26–30 dB with PAE of 41.6%–50% across 1.5–2.8 GHz.","PeriodicalId":73297,"journal":{"name":"IEEE microwave and wireless technology letters","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE microwave and wireless technology letters","FirstCategoryId":"1085","ListUrlMain":"https://ieeexplore.ieee.org/document/10500706/","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"0","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
This letter presents a two-stage broadband power amplifier (BPA) employing a complementary matching technique with a vertically coupling transformer (VCT) and a capacitor–capacitor transformer (CCT). The design achieves an ultrahigh impedance transformation ratio (ITR) of 125 at inter-stage, enabling effective matching over a relative bandwidth (RBW) exceeding 60%. Measured results show the fabricated PA delivers a saturated output power of 31.9–33.5 dBm and a gain of 26–30 dB with PAE of 41.6%–50% across 1.5–2.8 GHz.