High-dielectric constant stripline band-pass filters

Author

Winter, F. ; Taub, J. ; Marcelli, M.

Author_Institution

AIL Syst. Inc., Melville, NY, USA

fYear

1991

fDate

10-14 July 1991

Firstpage

555

Abstract

High-dielectric constant (K=38) stripline was employed to realize selective bandpass filters. Seven-pole, gap-coupled filters centered at 6.0 and 8.0 GHz were designed for 140-MHz 3-dB bandwidths. The unloaded Q, choice of operating impedance, and the role played by higher order modes has been both analytically and experimentally considered. It has been found that experiment and theory are in good agreement, and allow the present results to be used in predicting performance levels for use in future designs. Miniaturization of high-performance filters has been demonstrated. Such filters are expected to find application in frequency multiplexers as well as in individual circuits, particularly with MMIC (microwave monolithic integrated circuit)-based systems.<>

Keywords

band-pass filters; microwave filters; passive filters; strip line components; 140 MHz; 6 GHz; 8 GHz; MMIC; bandwidths; frequency multiplexers; gap-coupled filters; high dielectric constant stripline filters; high permittivity stripline filters; high-performance filters; higher order modes; miniaturization; operating impedance; stripline band-pass filters; unloaded Q; Band pass filters; Bandwidth; Conductors; Dielectric materials; Dielectric substrates; High K dielectric materials; High-K gate dielectrics; Narrowband; Stripline; Temperature;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Symposium Digest, 1991., IEEE MTT-S International

Conference_Location

Boston, MA, USA

ISSN

0149-645X

Print_ISBN

0-87942-591-1

Type

conf

DOI

10.1109/MWSYM.1991.147061

Filename

147061