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A shunted <jats:italic>\u03bb<\/jats:italic>\/4 short line or <jats:italic>\u03bb<\/jats:italic>\/2 open line working as compensating reactance is introduced to the conventional load modulation network, which greatly improves its bandwidth. Underlying bandwidth extension mechanism of the proposed configuration is comprehensively analyzed. A three\u2010device Doherty power amplifier is implemented for demonstration based on Cree\u2019s 10\u2009W HEMTs. Measurements show that at least 41% drain efficiency is maintained from 2.0\u2009GHz to 2.6\u2009GHz at 8\u2009dB back\u2010off range. In the same operating band, saturation power is larger than 43.6\u2009dBm and drain efficiency is higher than 53%.<\/jats:p>","DOI":"10.1155\/2018\/8418165","type":"journal-article","created":{"date-parts":[[2018,5,8]],"date-time":"2018-05-08T23:33:03Z","timestamp":1525822383000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["A Reactance Compensated Three\u2010Device Doherty Power Amplifier for Bandwidth and Back\u2010Off Range Extension"],"prefix":"10.1155","volume":"2018","author":[{"given":"Shichang","family":"Chen","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weiwei","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kuiwen","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8599-7249","authenticated-orcid":false,"given":"Gaofeng","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,5,8]]},"reference":[{"key":"e_1_2_7_1_2","doi-asserted-by":"publisher","DOI":"10.1109\/LMWC.2015.2440652"},{"key":"e_1_2_7_2_2","doi-asserted-by":"publisher","DOI":"10.1109\/TCSII.2010.2048353"},{"key":"e_1_2_7_3_2","doi-asserted-by":"publisher","DOI":"10.1109\/TMTT.2012.2215625"},{"key":"e_1_2_7_4_2","doi-asserted-by":"publisher","DOI":"10.1109\/LMWC.2016.2526024"},{"key":"e_1_2_7_5_2","doi-asserted-by":"publisher","DOI":"10.1109\/LMWC.2013.2241535"},{"key":"e_1_2_7_6_2","doi-asserted-by":"crossref","unstructured":"AbadiM. 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A broadband three-device Doherty power amplifier based on a modified load modulation network Proceedings of the 2016 IEEE\/MTT-S International Microwave Symposium (IMS) May 2016 San Francisco Calif USA 1\u20134 https:\/\/doi.org\/10.1109\/MWSYM.2016.7540172.","DOI":"10.1109\/MWSYM.2016.7540172"},{"key":"e_1_2_7_19_2","volume-title":"Microwave Engineering","author":"Pozar D. 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