A novel topology of Broad-band Coaxial impedance transformer

被引：0

作者：

Centurelli, Francesco ^{[1
]}

Piattella, Luca ^{[2
]}

Tommasino, Pasquale ^{[1
]}

Trifiletti, Alessandro ^{[1
]}

机构：

[1] Sapienza Univ Rome, Dept Elect Engn, Via Eudossiana 18, Rome, Italy

[2] Elmacom Srl, Guidonia Montecelio, Italy

来源：

40TH EUROPEAN MICROWAVE CONFERENCE | 2010年

关键词：

INDUCTORS; MODEL;

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：

Broad-band low-loss transmission-line transformers are key components in the design of RF high-power transmitters. In this work systematic analysis of ferrite-based coaxial transformers is presented, in order to clarify trade-offs inherent both to the ideal structures and to the ferrite and mounting parasitics. A novel topology of 1: 4 impedance transformer is presented, based on inductive compensation of the ferrite parasitic capacitance. Design and measurements of a 400 W 1: 4 transformer in the band 20-500 MHz have been carried out to demonstrate performance of the proposed topology.

引用

页码：357 / 360

页数：4