Highly Efficient Harmonically Tuned Broadband GaN Power Amplifier

被引：0
|
作者：
Al Tanany, Ahmed [1 ]
Gruner, Daniel [1 ]
Sayed, Ahmed [1 ]
Boeck, Georg [1 ]
机构：
[1] Berlin Univ Technol, Microwave Engn Lab, D-10587 Berlin, Germany
来源：
2010 EUROPEAN MICROWAVE INTEGRATED CIRCUITS CONFERENCE (EUMIC) | 2010年
关键词：
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：
The influence of the harmonic impedances on the power amplifier performance is presented across a wide bandwidth. Based on this method, a set of impedances for the first, second and third harmonics across the band was found which do not affect output power (P(out)) and power added efficiency (PAE). At the 3 dB compression point, the measured P(out) is 40 dBm +/- 1.5 dB, and the PAE is between 58.7 %-78.0 % across a bandwidth of 1.5 GHz-2.75 GHz (60 % bandwidth). A linearity measurement was done by sweeping the drain supply voltage, gate bias voltage and injecting a WCDMA drive signal to find the best linearity without affecting the performance. A linearity of -36 dBc at 8.5 dB back-off power from the 3 dB compression point of P(out) was found at 2.15 GHz.
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页码：5 / 8
页数：4
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