公开(公告)号：US20240364270A1

公开(公告)日：2024-10-31

申请号：US18292461

申请日：2022-07-14

Applicant: ZTE CORPORATION

Inventor： Pingli FENG ,  Chong DING ,  Tianyin QIN ,  Yang XIANG ,  Xiaoyi ZHANG ,  Weiwei WEI

IPC: H03F1/02 ,  H03F3/24 ,  H04B1/04 ,  H04W88/08

CPC classification number: H03F1/0288 ,  H03F3/245 ,  H03F2200/451 ,  H04B2001/045 ,  H04W88/08

Abstract: A power amplifier circuit, a base station, a signal transceiver device, and a power amplifier apparatus are disclosed. The power amplifier circuit may include a main amplifier circuit and an auxiliary amplifier circuit connected in parallel between a signal input end and a signal output end. The main amplifier circuit may include a first power amplifier and a second power amplifier connected in series. The first power amplifier is a class-C power amplifier, and the second power amplifier is a class-AB power amplifier. The auxiliary amplifier circuit may include a third power amplifier and a fourth power amplifier connected in series. The third power amplifier is a class-AB power amplifier, and the fourth power amplifier is a class-C power amplifier.