发明名称 |
DOHERTY POWER AMPLIFIER DEVICE AND POWER AMPLIFICATION METHOD THEREFOR |
摘要 |
<p>A Doherty power amplifier apparatus and a power amplification method are disclosed in the present invention. The apparatus includes an auxiliary power amplifier apparatus and a main power amplifier apparatus, wherein the auxiliary power amplifier apparatus is configured to amplify signal power by using a Laterally Diffused Metal Oxide Semiconductor (LDMOS) device; the main power amplifier is configured to amplify signal power by using a High voltage heterojunction bipolar transistor (HVHBT) device. An HVHBT device is adopted as a main power amplifier in the present invention. By use of the present invention, a power amplification efficiency of a main power amplifier in a Doherty power amplifier may be enhanced compared with an existing Doherty power amplifier in which both a main power amplifier and an auxiliary power amplifier use LDMOS, thereby a power amplification efficiency of the whole Doherty power amplifier is substantially increased.</p> |
申请公布号 |
EP2536024(A1) |
申请公布日期 |
2012.12.19 |
申请号 |
EP20110832078 |
申请日期 |
2011.10.27 |
申请人 |
ZTE CORPORATION |
发明人 |
CHEN, HUAZHANG;AN, JINYUAN;LIU, JIANLI;CUI, XIAOJUN |
分类号 |
H03F1/02;H03F3/24;H03F3/60;H03F3/68 |
主分类号 |
H03F1/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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