Novel ultra-wideband bandpass filter using planar Marchand balun

Author

Feng, Wenjie ; Che, Wenquan

Author_Institution

Dept. of Commun. Eng., Nanjing Univ. of Sci. & Technol., Nanjing, China

fYear

2011

fDate

12-14 Dec. 2011

Firstpage

1

Lastpage

4

Abstract

A novel ultra-wideband (UWB) bandpass filters using planar Marchand balun are proposed and demonstrated in this paper. Based on the intrinsic 180° phase difference of the planar Marchand balun and the transversal filter concepts, one kind of UWB bandpass filter (3 dB fractional bandwidth ranging from 86% to 111.5%) with two transmission zeros located close to the passband can be realized, by cascading a planar Marchand balun and two transmission lines of different electrical length. Detailed design and synthesis procedures for the UWB bandpass filter is provided. Good agreement can be observed between the simulated and measured results.

Keywords

baluns; band-pass filters; ultra wideband communication; UWB bandpass filter; planar Marchand balun; transversal filter; ultra-wideband bandpass filter; Band pass filters; Filtering theory; Impedance matching; Microwave filters; Resonator filters; Transmission line measurements; Transversal filters;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Design of Advanced Packaging and Systems Symposium (EDAPS), 2011 IEEE

Conference_Location

Hanzhou

ISSN

2151-1225

Print_ISBN

978-1-4673-2288-1

Electronic_ISBN

2151-1225

Type

conf

DOI

10.1109/EDAPS.2011.6213807

Filename

6213807