In-Antenna Power-Combining Methods

被引：0

作者：

Goettel, Benjamin ^{[1
]}

Schfer, Jochen ^{[1
]}

Bhutani, Akanksha ^{[1
]}

Gulan, Heiko ^{[1
]}

Zwick, Thomas ^{[1
]}

机构：

[1] KIT, Inst Radio Frequency Engn & Elect IHE, Kaiserstr 12, D-76131 Karlsruhe, Germany

来源：

2017 11TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) | 2017年

关键词：

power-combining; integrated lens antenna (ILA); millimeter-wave (mm-wave);

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：

In this paper different possibilities for an in-antenna power-combining approach are investigated. The radiation is based on the principle of an integrated lens antenna (ILA), where the primary radiator consists of a slot antenna with two or more excitation elements. The output power of parallel amplifiers can be directly combined in the primary radiator itself without any additional combiner network. Regarding the antenna efficiency, the practical limit for the number of parallel branches is found out by simulations. Additionally, different power-splitter networks for achieving a linearly or circularly polarized radiation are presented and it is shown how the input impedance of the excitation elements changes with different number of feed-lines. Finally, primary radiators with different input impedances and polarization schemes are presented and verified by calibrated gain measurements in D-band and H-band frequencies.

引用

页数：5

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