Abstract: This letter presents a lower band (LB) dipole antenna with a dual-band spatial filtering response for base station applications. The proposed LB dipole antenna has four square loop arms, ...

Abstract: This letter presents a bandstop output matching network to design a dual-band class-X Doherty power amplifier (DPA) with large frequency ratio. The introduce of a wide stopband makes the ...

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School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China ...