Active Fixture with Passive Tuners for Full-Range Load-Pull Measurements

被引：0
|
作者：
Halder, Subrata [1 ]
Hwang, James C. M. [1 ]
机构：
[1] Lehigh Univ, Bethlehem, PA 18015 USA
来源：
2011 6TH EUROPEAN MICROWAVE INTEGRATED CIRCUIT CONFERENCE | 2011年
关键词：
Impedance matching; impedance measurement; microwave measurements; microwave power amplifiers; tuners;
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 lossy cable in a conventional load-pull setup was replaced with an active fixture to realize full tuning range by using passive electromechanical tuners. The approach was validated in small-signal characterization of a through line up to the edge of the Smith chart, as well as large-signal characterization of a heterojunction bipolar transistor up to a voltage standing-wave ratio of 10:1. The approach is simpler than active load-pull setups and it significantly enhances the capabilities of conventional load-pull setups, especially in the characterization of high-power transistors with very low matching impedances.
引用
收藏
页码：85 / 88
页数：4
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