Broadband Doherty Power Amplifier Based on Asymmetric Load Matching Networks. - Jin-hee Kwon; Mincheol Seo; Hwiseob Lee; Je-hyun Gu; Junghyun Ham; Keum-Cheol Hwang; Kang-Yoon Lee; Cheon-Seok Park; Youngoo Yang (IEEE Trans. Circuits Syst. II Express Briefs, 2015)