New classes of miniaturized planar Marchand baluns

被引：46

作者：

Fathelbab, WM ^{[1
]}

Steer, MB ^{[1
]}

机构：

[1] N Carolina State Univ, Dept Elect & Comp Engn, Raleigh, NC 27695 USA

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2005年 / 53卷 / 04期

关键词：

high-pass/bandpass prototypes; Marchand balun; network synthesis; transmission zeros;

D O I：

10.1109/TMTT.2005.845707

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：

Three new classes of miniaturized Marchand balun are defined based on the synthesis of filter prototypes. They are suitable for mixed lumped-distributed planar realizations with small size resulting from transmission-line resonators being a quarter-wavelength long at frequencies higher than the passband center frequency. Each class corresponds to an S-plane bandpass prototype derived from the specification of transmission zero locations. A tunable 50 : 100-Omega balun is realized at 1 GHz to demonstrate the advantages of the approach presented here.

引用

页码：1211 / 1220

页数：10

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