Ling and Yang Intellectual Property LLC
Power amplifier apparatus and power amplifier circuit
The present invention relates to a power amplifier apparatus and a power amplifier circuit thereof, the power amplifier circuit uses Doherty circuit structure, and it uses a high voltage heterojunction bipolor transistor (HVHBT) power amplifier to achieve a Carrier amplifier with the Doherty circuit structure, and uses a high electron mobility transistor (HEMT) power amplifier to achieve a Peak amplifier with the Doherty circuit structure. The power amplifier apparatus and a power amplifier circuit thereof in the present invention improves the efficiency of the power amplifier.
ZTE Corporation
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Huazhang Xiaojun Jianli
Chen Cui Liu