30-watt power amplifier for 3.5GHz WiMAX base station application

被引：0
|
作者：
Sarfraz, M. [1 ]
Akkul, M. [1 ]
机构：
[1] Filtron Plc, Salts Mill Rd, Shipley BD18 3TT, West Yorkshire, England
来源：
2006 EUROPEAN MICROWAVE CONFERENCE, VOLS 1-4 | 2006年
关键词：
PA; WiMAX; GaAs pHEMT; EVM; ACPR; OFDM;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper describes the design of a 30W GaAs pHEMT PA (Power Amplifier) for WiMAX applications. The PA is realized on a CuW carrier with various ceramic matching components. The PA attained 10dB small signal gain and 30W CW output power with a drain efficiency of around 60% at a supply voltage of 12V. Under WiMAX 802.16-2004 OFDM Modulation (3.5MHz BW, 64QAM Sub carrier modulation and Peak to average ratio of 10dB) the PA achieves better than 2% EVM (Error Vector Magnitude), -45dBc ACPR (Adjacent Channel Power Ratio) at 34dBm (2.5W) P-avg (average output power) with 16% average drain efficiency in a frequency band of 3.3-3.7GHz.
引用
收藏
页码：827 / +
页数：2
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